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1. ELVES Measurements in the “UV Atmosphere” (Mini-EUSO) Experiment Onboard the ISS and Their Reconstruction

Author: Sharakin, S., Barghini, D., Battisti, M., Belov, A., Bertaina, M., Bianciotto, M., Bisconti, F., Blaksley, C., Blin, S., Cambiè, G., Capel, F., Casolino, M., Ebisuzaki, T., Eser, J., Fenu, F., Franceschi, M. A., Golzio, A., Gorodetsky, P., Kajino, F., Kasuga, H., Klimov, P., Manfrin, M., Marcelli, L., Marszal, W., Miyamoto, H., Mignone, M., Murashov, A., Napolitano, T., Ohmori, H., Olinto, A., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Reali, E., Ricci, M., Romoli, G., Sakaki, N., Shinozaki, K., Szabelski, J., De La Taille, C., Takizawa, Y., Vrábel, M., Wiencke, L., and Zotov, M.
Published: 2024
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2. EUSO-SPB1 Mission and Science

Author: Collaboration, JEM-EUSO, Abdellaoui, G., Abe, S., Adams. Jr., J. H., Allard, D., Alonso, G., Anchordoqui, L., Anzalone, A., Arnone, E., Asano, K., Attallah, R., Attoui, H., Pernas, M. Ave, Bachmann, R., Bacholle, S., Bagheri, M., Bakiri, M., Baláz, J., Barghini, D., Bartocci, S., Battisti, M., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A. A., Benmessai, K., Bertaina, M., Bertone, P. F., Biermann, P. L., Bisconti, F., Blaksley, C., Blanc, N., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bolmgren, K., Bozzo, E., Briz, S., Bruno, A., Caballero, K. S., Cafagna, F., Cambié, G., Campana, D., Capdevielle, J. N., Capel, F., Caramete, A., Caramete, L., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, O., Cellino, A., Černý, K., Chikawa, M., Chiritoi, G., Christl, M. J., Colalillo, R., Conti, L., Cotto, G., Crawford, H. J., Cremonini, R., Creusot, A., Cummings, A., Gónzalez, A. de Castro, de la Taille, C., del Peral, L., Desiato, J., Damian, A. Diaz, Diesing, R., Dinaucourt, P., Djakonow, A., Djemil, T., Ebersoldt, A., Ebisuzaki, T., Eser, J., Fenu, F., Fernández-González, S., Ferrarese, S., Filippatos, G., Finch, W., Fornaro, C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fukushima, M., Galeotti, P., García-Ortega, E., Gardiol, D., Garipov, G. K., Gascón, E., Gazda, E., Genci, J., Golzio, A., Gorodetzky, P., Gregg, R., Green, A., Guarino, F., Guépin, C., Guzmán, A., Hachisu, Y., Haungs, A., Heigbes, T., Carretero, J. Hernández, Hulett, L., Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Jochum, J., Joven, E., Judd, E. G., Jung, A., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Kasztelan, M., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B. A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P. A., Kreykenbohm, I., Krizmanic, J. F., Królik, K., Kungel, V., Kurihara, Y., Kusenko, A., Kuznetsov, E., Lahmar, H., Lakhdari, F., Licandro, J., Campano, L. López, Martínez, F. López, Mackovjak, S., Mahdi, M., Mandát, D., Manfrin, M., Marcelli, L., Marcos, J. L., Marszał, W., Martín, Y., Martinez, O., Mase, K., Mastafa, M., Matthews, J. N., Mebarki, N., Medina-Tanco, G., Menshikov, A., Merino, A., Mese, M., Meseguer, J., Meyer, S. S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Ríos, J. A. Morales de los, Nachtman, J. M., Nagataki, S., Naitamor, S., Napolitano, T., Neronov, A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A. V., Onel, Y., Osteria, G., Otte, A. N., Pagliaro, A., Painter, W., Panasyuk, M. I., Panico, B., Parizot, E., Park, I. H., Pastircak, B., Paul, T., Pech, M., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L. W., Piraino, S., Plebaniak, Z., Pollini, A., Popescu, E. M., Prevete, R., Prévôt, G., Prieto, H., Przybylak, M., Puehlhofer, G., Putis, M., Reardon, P., Reno, M. H., Reyes, M., Ricci, M., Frías, M. D. Rodríguez, Matamala, O. F. Romero, Ronga, F., Sabau, M. D., Saccá, G., Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Sánchez, J. L., Balanzar, J. C. Sanchez, Santangelo, A., Sanz-Andrés, A., Saprykin, O. A., Sarazin, F., Sato, M., Scagliola, A., Schanz, T., Schieler, H., Schovánek, P., Scotti, V., Serra, M., Sharakin, S. A., Shimizu, H. M., Shinozaki, K., Soriano, J. F., Sotgiu, A., Stan, I., Strharský, I., Sugiyama, N., Supanitsky, D., Suzuki, M., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takeda, M., Takizawa, Y., Talai, M. C., Tameda, Y., Tenzer, C., Thomas, S. B., Tibolla, O., Tkachev, L. G., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsunesada, Y., Tsuno, K., Turriziani, S., Uchihori, Y., Valdés-Galicia, J. F., Vallania, P., Valore, L., Vankova-Kirilova, G., Venters, T. M., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts. Jr., J., Muñoz, R. Weigand, Weindl, A., Wiencke, L., Wille, M., Wilms, J., Yamamoto, T., Yang, J., Yano, H., Yashin, I. V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I. S., Zotov, M. Yu., and Marchi, A. Zuccaro
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract: The Extreme Universe Space Observatory on a Super Pressure Balloon 1 (EUSO-SPB1) was launched in 2017 April from Wanaka, New Zealand. The plan of this mission of opportunity on a NASA super pressure balloon test flight was to circle the southern hemisphere. The primary scientific goal was to make the first observations of ultra-high-energy cosmic-ray extensive air showers (EASs) by looking down on the atmosphere with an ultraviolet (UV) fluorescence telescope from suborbital altitude (33~km). After 12~days and 4~hours aloft, the flight was terminated prematurely in the Pacific Ocean. Before the flight, the instrument was tested extensively in the West Desert of Utah, USA, with UV point sources and lasers. The test results indicated that the instrument had sensitivity to EASs of approximately 3 EeV. Simulations of the telescope system, telescope on time, and realized flight trajectory predicted an observation of about 1 event assuming clear sky conditions. The effects of high clouds were estimated to reduce this value by approximately a factor of 2. A manual search and a machine-learning-based search did not find any EAS signals in these data. Here we review the EUSO-SPB1 instrument and flight and the EAS search., Comment: 18 pages, 19 figures
Published: 2024
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3. JEM-EUSO Collaboration contributions to the 38th International Cosmic Ray Conference

Author: Abe, S., Adams Jr., J. H., Allard, D., Alldredge, P., Aloisio, R., Anchordoqui, L., Anzalone, A., Arnone, E., Bagheri, M., Baret, B., Barghini, D., Battisti, M., Bellotti, R., Belov, A. A., Bertaina, M., Bertone, P. F., Bianciotto, M., Bisconti, F., Blaksley, C., Blin-Bondil, S., Bolmgren, K., Briz, S., Burton, J., Cafagna, F., Cambiè, G., Campana, D., Capel, F., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Černý, K., Christl, M. J., Colalillo, R., Conti, L., Cotto, G., Crawford, H. J., Cremonini, R., Creusot, A., Cummings, A., Gónzalez, A. de Castro, de la Taille, C., Diesing, R., Dinaucourt, P., Di Nola, A., Ebisuzaki, T., Eser, J., Fenu, F., Ferrarese, S., Filippatos, G., Finch, W. W., Flaminio, F., Fornaro, C., Fuehne, D., Fuglesang, C., Fukushima, M., Gadamsetty, S., Gardiol, D., Garipov, G. K., Gazda, E., Golzio, A., Guarino, F., Guépin, C., Haungs, A., Heibges, T., Isgrò, F., Judd, E. G., Kajino, F., Kaneko, I., Kim, S. -W., Klimov, P. A., Krizmanic, J. F., Kungel, V., Kuznetsov, E., Martínez, F. López, Mandát, D., Manfrin, M., Marcelli, A., Marcelli, L., Marszał, W., Matthews, J. N., Mese, M., Meyer, S. S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Nagataki, S., Nachtman, J. M., Naumov, D., Neronov, A., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A. V., Onel, Y., Osteria, G., Otte, A. N., Pagliaro, A., Panico, B., Parizot, E., Park, I. H., Paul, T., Pech, M., Perfetto, F., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Posligua, J., Potts, M., Prevete, R., Prévôt, G., Przybylak, M., Reali, E., Reardon, P., Reno, M. H., Ricci, M., Matamala, O. F. Romero, Romoli, G., Sagawa, H., Sakaki, N., Saprykin, O. A., Sarazin, F., Sato, M., Schovánek, P., Scotti, V., Selmane, S., Sharakin, S. A., Shinozaki, K., Stepanoff, S., Soriano, J. F., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takeda, M., Takizawa, Y., Thomas, S. B., Tkachev, L. G., Tomida, T., Toscano, S., Traïche, M., Trofimov, D., Tsuno, K., Vallania, P., Valore, L., Venters, T. M., Vigorito, C., Vrábel, M., Wada, S., Watts Jr., J., Wiencke, L., Winn, D., Wistrand, H., Yashin, I. V., Young, R., and Zotov, M. Yu.
Subjects: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: This is a collection of papers presented by the JEM-EUSO Collaboration at the 38th International Cosmic Ray Conference (Nagoya, Japan, July 26-August 3, 2023)
Published: 2023

4. Developments and results in the context of the JEM-EUSO program obtained with the ESAF Simulation and Analysis Framework

Author: Abe, S., Adams Jr., J. H., Allard, D., Alldredge, P., Anchordoqui, L., Anzalone, A., Arnone, E., Baret, B., Barghini, D., Battisti, M., Bayer, J., Bellotti, R., Belov, A. A., Bertaina, M., Bertone, P. F., Bianciotto, M., Biermann, P. L., Bisconti, F., Blaksley, C., Blin-Bondil, S., Bobik, P., Bolmgren, K., Briz, S., Burton, J., Cafagna, F., Cambié, G., Campana, D., Capel, F., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Černý, K., Christl, M. J., Colalillo, R., Conti, L., Cotto, G., Crawford, H. J., Cremonini, R., Creusot, A., Cummings, A., Gónzalez, A. de Castro, de la Taille, C., del Peral, L., Diesing, R., Dinaucourt, P., Di Nola, A., Ebersoldt, A., Ebisuzaki, T., Eser, J., Fenu, F., Ferrarese, S., Filippatos, G., Finch, W. W., Flaminio, F., Fornaro, C., Fuehne, D., Fuglesang, C., Fukushima, M., Gardiol, D., Garipov, G. K., Golzio, A., Gorodetzky, P., Guarino, F., Guépin, C., Guzmán, A., Haungs, A., Heibges, T., Hernández-Carretero, J., Isgrò, F., Judd, E. G., Kajino, F., Kaneko, I., Kawasaki, Y., Kleifges, M., Klimov, P. A., Kreykenbohm, I., Krizmanic, J. F., Kungel, V., Kuznetsov, E., Martínez, F. López, Mackovjak, S., Mandát, D., Manfrin, M., Marcelli, A., Marcelli, L., Marszał, W., Matthews, J. N., Menshikov, A., Mernik, T., Mese, M., Meyer, S. S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Ríos, J. A Morales de los, Nagataki, S., Nachtman, J. M., Naumov, D., Neronov, A., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A. V., Onel, Y., Osteria, G., Pagliaro, A., Panico, B., Parizot, E., Park, I. H., Pastircak, B., Paul, T., Pech, M., Perfetto, F., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Posligua, J., Prevete, R., Prévôt, G., Prieto, H., Przybylak, M., Putis, M., Reali, E., Reardon, P., Reno, M. H., Ricci, M., Frías, M. Rodríguez, Romoli, G., Cano, G. Sáez, Sagawa, H., Sakaki, N., Santangelo, A., Saprykin, O. A., Sarazin, F., Sato, M., Schieler, H., Schovánek, P., Scotti, V., Selmane, S., Sharakin, S. A., Shinozaki, K., Soriano, J. F., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takeda, M., Takizawa, Y., Tenzer, C., Thomas, S. B., Tkachev, L. G., Tomida, T., Toscano, S., Traïche, M., Trofimov, D., Tsuno, K., Vallania, P., Valore, L., Venters, T. M., Vigorito, C., von Ballmoos, P., Vrabel, M., Wada, S., Watts Jr., J., Weindl, A., Wiencke, L., Wilms, J., Winn, D., Wistrand, H., Yashin, I. V., Young, R., and Zotov, M. Yu.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: JEM--EUSO is an international program for the development of space-based Ultra-High Energy Cosmic Ray observatories. The program consists of a series of missions which are either under development or in the data analysis phase. All instruments are based on a wide-field-of-view telescope, which operates in the near-UV range, designed to detect the fluorescence light emitted by extensive air showers in the atmosphere. We describe the simulation software ESAFin the framework of the JEM--EUSO program and explain the physical assumptions used. We present here the implementation of the JEM--EUSO, POEMMA, K--EUSO, TUS, Mini--EUSO, EUSO--SPB1 and EUSO--TA configurations in ESAF. For the first time ESAF simulation outputs are compared with experimental data.
Published: 2023
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5. Observation of night-time emissions of the Earth in the near UV range from the International Space Station with the Mini-EUSO detector

Author: Casolino, M., Barghini, D., Battisti, M., Blaksley, C., Belov, A., Bertaina, M., Bianciotto, M., Bisconti, F., Blin, S., Bolmgren, K., Cambiè, G., Capel, F., Churilo, I., Crisconio, M., De La Taille, C., Ebisuzaki, T., Eser, J., Fenu, F., Franceschi, M. A., Fuglesang, C., Golzio, A., Gorodetzky, P., Kasuga, H., Kajino, F., Klimov, P., Kuznetsov, V., Manfrin, M., Marcelli, L., Mascetti, G., Marsza, W., Miyamoto, H., Murashov, A., Napolitano, T., Ohmori, H., Olinto, A., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Reali, E., Romoli, G., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., Takizawa, Y., Valentini, G., Vrabel, M., and Wiencke, L.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Mini-EUSO (Multiwavelength Imaging New Instrument for the Extreme Universe Space Observatory) is a telescope observing the Earth from the International Space Station since 2019. The instrument employs a Fresnel-lens optical system and a focal surface composed of 36 multi-anode photomultiplier tubes, 64 channels each, for a total of 2304 channels with single photon counting sensitivity. Mini-EUSO also contains two ancillary cameras to complement measurements in the near infrared and visible ranges. The scientific objectives of the mission range from the search for extensive air showers generated by Ultra-High Energy Cosmic Rays (UHECRs) with energies above 10$^{21}$ eV, the search for nuclearites and Strange Quark Matter (SQM), up to the study of atmospheric phenomena such as Transient Luminous Events (TLEs), meteors and meteoroids. Mini-EUSO can map the night-time Earth in the near UV range (between 290-430 nm) with a spatial resolution of about 6.3 km (full field of view of 44{\deg}) and a maximum temporal resolution of 2.5 $\mu$s, observing our planet through a nadir-facing UV-transparent window in the Russian Zvezda module. The detector saves triggered transient phenomena with a sampling rate of 2.5 $\mu$s and 320 $\mu$s, as well as continuous acquisition at 40.96 ms scale. In this paper we discuss the detector response and the flat-fielding and calibration procedures. Using the 40.96 ms data, we present $\simeq$6.3 km resolution night-time Earth maps in the UV band, and report on various emissions of anthropogenic and natural origin. We measure ionospheric airglow emissions of dark moonless nights over the sea and ground, studying the effect of clouds, moonlight, and artificial (towns, boats) lights. In addition to paving the way forward for the study of long-term variations of natural and artificial light, we also estimate the observation live-time of future UHECR detectors., Comment: 49 pages, 27 figures, 1 table, published in Remote Sensing of Environment
Published: 2022
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6. Description and performance results of the trigger logic of TUS and Mini-EUSO to search for Ultra-High Energy Cosmic Rays from space

Author: Bertaina, M., Barghini, D., Battisti, M., Belov, A., Bianciotto, M., Bisconti, F., Blaksley, C., Bolmgren, K., Cambie, G., Capel, F., Casolino, M., Ebisuzaki, T., Fenu, F., Franceschi, M. A., Fuglesang, C., Golzio, A., Gorodetzky, P., Kajino, F., Klimov, P., Manfrin, M., Marcelli, L., Marszal, W., Mignone, M., Miyamoto, H., Napolitano, T., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prevot, G., Reali, E., Ricci, M., Sakaki, N., Sharakin, S., Szabelski, J., Takizawa, Y., Vrabel, M., Yashin, I., and Zotov, M.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The trigger logic of the Tracking Ultraviolet Setup (TUS) and Multiwavelength Imaging New Instrument for the Extreme Universe Space Observatory (Mini-EUSO) space-based projects of the Joint Experiment Missions - EUSO (JEM-EUSO) program is summarized. The performance results on the search for ultra-high energy cosmic rays are presented.
Published: 2022

7. Status of the K-EUSO Orbital Detector of Ultra-high Energy Cosmic Rays

Author: Klimov, P., Battisti, M., Belov, A., Bertaina, M., Bianciotto, M., Blin-Bondil, S., Casolino, M., Ebisuzaki, T., Fenu, F., Fuglesang, C., Marszał, W., Neronov, A., Parizot, E., Picozza, P., Plebaniak, Z., Prévôt, G., Sakaki, M. Przybylak N., Sharakin, S., Shinozaki, K., Szabelski, J., Takizawa, Y., Trofimov, D., Yashin, I., and Zotov, M.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: K-EUSO (KLYPVE-EUSO) is a planned orbital mission aimed at studying ultra-high energy cosmic rays (UHECRs) by detecting fluorescence and Cherenkov light emitted by extensive air showers in the nocturnal atmosphere of Earth in the ultraviolet (UV) range. The observatory is being developed within the JEM-EUSO collaboration and is planned to be deployed on the International Space Station after 2025 and operated for at least two years. The telescope, consisting of $\sim10^{5}$ independent pixels, will allow a spatial resolution of $\sim0.6$ km on the ground, and, from a 400 km altitude, it will achieve a large and full sky exposure to sample the highest energy range of the UHECR spectrum. We provide a comprehensive review of the current status of the development of the K-EUSO experiment, paying special attention to its hardware parts and expected performance. We demonstrate how results of the K-EUSO mission can complement the achievements of the existing ground-based experiments and push forward the intriguing studies of ultra-high energy cosmic rays, as well as bring new knowledge about other phenomena manifesting themselves in the atmosphere in the UV range., Comment: 26 pages
Published: 2022

8. JEM-EUSO Collaboration contributions to the 37th International Cosmic Ray Conference

Author: Abdellaoui, G., Abe, S., Adams Jr., J. H., Allard, D., Alonso, G., Anchordoqui, L., Anzalone, A., Arnone, E., Asano, K., Attallah, R., Attoui, H., Pernas, M. Ave, Bagheri, M., Baláz, J., Bakiri, M., Barghini, D., Bartocci, S., Battisti, M., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A. A., Benmessai, K., Bertaina, M., Bertone, P. F., Biermann, P. L., Bisconti, F., Blaksley, C., Blanc, N., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bolmgren, K., Bozzo, E., Briz, S., Bruno, A., Caballero, K. S., Cafagna, F., Cambié, G., Campana, D., Capdevielle, J-N., Capel, F., Caramete, A., Caramete, L., Carlson, P., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, O., Cellino, A., Černý, K., Chikawa, M., Chiritoi, G., Christl, M. J., Colalillo, R., Conti, L., Cotto, G., Crawford, H. J., Cremonini, R., Creusot, A., Gónzalez, A. de Castro, de la Taille, C., del Peral, L., Damian, A. Diaz, Diesing, R., Dinaucourt, P., Djakonow, A., Djemil, T., Ebersoldt, A., Ebisuzaki, T., Eser, J., Fenu, F., Fernández-González, S., Ferrarese, S., Filippatos, G., Fornaro, W. I. Finch C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fukushima, M., Galeotti, P., García-Ortega, E., Gardiol, D., Garipov, G. K., Gascón, E., Gazda, E., Genci, J., Golzio, A., Alvarado, C. González, Gorodetzky, P., Green, A., Guarino, F., Guépin, C., Guzmán, A., Hachisu, Y., Haungs, A., Carretero, J. Hernández, Hulett, L., Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Joven, E., Judd, E. G., Jochum, J., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Karadzhov, Y., Kasztelan, M., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B. A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P. A., Kolev, D., Kreykenbohm, I., Krizmanic, J. F., Królik, K., Kungel, V., Kurihara, Y., Kusenko, A., Kuznetsov, E., Lahmar, H., Lakhdari, F., Licandro, J., Campano, L. López, Martínez, F. López, Mackovjak, S., Mahdi, M., Mandát, D., Manfrin, M., Marcelli, L., Marcos, J. L., Marszał, W., Martín, Y., Martinez, O., Mase, K., Matev, R., Matthews, J. N., Mebarki, N., Medina-Tanco, G., Menshikov, A., Merino, A., Mese, M., Meseguer, J., Meyer, S. S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Ríos, J. A. Morales de los, Mastafa, M., Nagataki, S., Naitamor, S., Napolitano, T., Neronov, J. M. Nachtman A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A. V., Osteria, Y. Onel G., Otte, A. N., Pagliaro, A., Painter, W., Panasyuk, M. I., Panico, B., Parizot, E., Park, I. H., Pastircak, B., Paul, T., Pech, M., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L. W., Piraino, S., Plebaniak, Z., Pollini, A., Popescu, E. M., Prevete, R., Prévôt, G., Prieto, H., Przybylak, M., Puehlhofer, G., Putis, M., Reardon, P., Reno, M. H., Reyes, M., Ricci, M., Frías, M. D. Rodríguez, Matamala, O. F. Romero, Ronga, F., Sabau, M. D., Saccá, G., Cano, G. Sáez, Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Balanzar, J. C. Sanchez, Sánchez, J. L., Santangelo, A., Sanz-Andrés, A., Palomino, M. Sanz, Saprykin, O. A., Sarazin, F., Sato, M., Scagliola, A., Schanz, T., Schieler, H., Schovánek, P., Scotti, V., Serra, M., Sharakin, S. A., Shimizu, H. M., Shinozaki, K., Soriano, J. F., Sotgiu, A., Stan, I., Strharský, I., Sugiyama, N., Supanitsky, D., Suzuki, M., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takeda, M., Takizawa, Y., Talai, M. C., Tameda, Y., Tenzer, C., Thomas, S. B., Tibolla, O., Tkachev, L. G., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsunesada, Y., Tsuno, K., Turriziani, S., Uchihori, Y., Vaduvescu, O., Valdés-Galicia, J. F., Vallania, P., Valore, L., Vankova-Kirilova, G., Venters, T. M., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts Jr., J., Muñoz, R. Weigand, Weindl, A., Wiencke, L., Wille, M., Wilms, J., Yamamoto, D. Winn T., Yang, J., Yano, H., Yashin, I. V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I. S., Zotov, M. Yu., and Marchi, A. Zuccaro
Subjects: Astrophysics - High Energy Astrophysical Phenomena
Abstract: Compilation of papers presented by the JEM-EUSO Collaboration at the 37th International Cosmic Ray Conference (ICRC), held on July 12-23, 2021 (online) in Berlin, Germany., Comment: html page with links to the JEM-EUSO Collaboration papers presented at ICRC-2021, Berlin, Germany
Published: 2022

9. Towards observations of nuclearites in Mini-EUSO

Author: Piotrowski, L. W., Barghini, D., Battisti, M., Belov, A., Bertaina, M., Bisconti, F., Blaksley, C., Bolmgren, K., Cafagna, F., Cambiè, G., Capel, F., Casolino, M., Ebisuzaki, T., Fenu, F., Franceschi, A., Fuglesang, C., Golzio, A., Gorodetzki, P., Kajino, F., Kasuga, H., Klimov, P., Kungel, V., Manfrin, M., Marcelli, L., Marszał, W., Miyamoto, H., Mignone, M., Napolitano, T., Osteria, G., Parizot, E., Picozza, P., Plebaniak, Z., Prévôt, G., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., Takizawa, Y., Wada, S., and Wiencke, L.
Subjects: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: Mini-EUSO is a small orbital telescope with a field of view of $44^{\circ}\times 44^{\circ}$, observing the night-time Earth mostly in 320-420 nm band. Its time resolution spanning from microseconds (triggered) to milliseconds (untriggered) and more than $300\times 300$ km of the ground covered, already allowed it to register thousands of meteors. Such detections make the telescope a suitable tool in the search for hypothetical heavy compact objects, which would leave trails of light in the atmosphere due to their high density and speed. The most prominent example are the nuclearites -- hypothetical lumps of strange quark matter that could be stabler and denser than the nuclear matter. In this paper, we show potential limits on the flux of nuclearites after collecting 42 hours of observations data., Comment: To be published in the Proceedings of the 37th International Cosmic Ray Conference (ICRC 2021), Berlin, 12 -23 July 2021
Published: 2022

10. The Mini-EUSO telescope on board the International Space Station: Launch and first results

Author: Casolino, M, Barghini, D, Battisti, M, Belov, A, Bertaina, M, Bisconti, F, Blaksley, C, Bolmgren, K, Cafagna, F, Cambiè, G, Capel, F, Ebisuzaki, T, Fenu, F, Franceschi, A, Fuglesang, C, Golzio, A, Gorodetzki, P, Kajino, F, Kasuga, H, Klimov, P, Kungel, V., Manfrin, M, Marszał, W, Miyamoto, H, Mignone, M, Napolitano, T, Osteria, G, Parizot, E, Picozza, P, Piotrowski, L W, Plebaniak, Z, Prévôt, G, Reali, E, Ricci, M, Sakaki, N, Shinozaki, K, Takizawa, Y, Wada, S, and Wiencke, L.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract: Mini-EUSO is a telescope launched on board the International Space Station in 2019 and currently located in the Russian section of the station. Main scientific objectives of the mission are the search for nuclearites and Strange Quark Matter, the study of atmospheric phenomena such as Transient Luminous Events, meteors and meteoroids, the observation of sea bioluminescence and of artificial satellites and man-made space debris. It is also capable of observing Extensive Air Showers generated by Ultra-High Energy Cosmic Rays with an energy above 10$^{21}$ eV and detect artificial showers generated with lasers from the ground. Mini-EUSO can map the night-time Earth in the UV range (290 - 430 nm), with a spatial resolution of about 6.3 km and a temporal resolution of 2.5 $\mu$s, observing our planet through a nadir-facing UV-transparent window in the Russian Zvezda module. The instrument, launched on 2019/08/22 from the Baikonur cosmodrome, is based on an optical system employing two Fresnel lenses and a focal surface composed of 36 Multi-Anode Photomultiplier tubes, 64 channels each, for a total of 2304 channels with single photon counting sensitivity and an overall field of view of 44$^{\circ}$. Mini-EUSO also contains two ancillary cameras to complement measurements in the near infrared and visible ranges. In this paper we describe the detector and present the various phenomena observed in the first year of operation., Comment: 37th International Cosmic Ray Conference, 2021
Published: 2022

11. EUSO@TurLab project in view of Mini-EUSO and EUSO-SPB2 missions

Author: Miyamoto, H., Bertaina, M. E., Barghini, D., Battisti, M., Belov, A., Bisconti, F., Blin-Bondil, S., Bolmgren, K., Cambie, G., Capel, F., Caruso, R., Casolino, M., Churilo, I., Contino, G., Cotto, G., Ebisuzaki, T., Fenu, F., Fuglesang, C., Golzio, A., Gorodetzky, P., Kajino, F., Klimov, P., Manfrin, M., Marcelli, L., Marengo, M., Marszał, W., Mignone, M., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Suino, G., Szabelski, J., Takizawa, Y., and Youssef, A.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The TurLab facility is a laboratory, equipped with a 5 m diameter and 1 m depth rotating tank, located in the fourth basement level of the Physics Department of the University of Turin. In the past years, we have used the facility to perform experiments related to the observations of Extreme Energy Cosmic Rays (EECRs) from space using the fluorescence technique for JEM- EUSO missions with the main objective to test the response of the trigger logic. In the missions, the diffuse night brightness and artificial and natural light sources can vary significantly in time and space in the Field of View (FoV) of the telescope. Therefore, it is essential to verify the detector performance and test the trigger logic under such an environment. By means of the tank rotation, a various terrestrial surface with the different optical characteristics such as ocean, land, forest, desert and clouds, as well as artificial and natural light sources such as city lights, lightnings and meteors passing by the detector FoV one after the other is reproduced. The fact that the tank located in a very dark place enables the tests under an optically controlled environment. Using the Mini-EUSO data taken since 2019 onboard the ISS, we will report on the comparison between TurLab and ISS measurements in view of future experiments at TurLab. Moreover, in the forthcoming months we will start testing the trigger logic of the EUSO-SPB2 mission. We report also on the plans and status for this purpose.
Published: 2021
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12. Simulations studies for the Mini-EUSO detector

Author: Miyamoto, H., Fenu, F., Barghini, D., Battisti, M., Belov, A., Bertaina, M. E., Bisconti, F., Bonino, R., Cambie, G., Capel, F., Casolino, M., Churilo, I., Ebisuzaki, T., Fuglesang, C., Golzio, A., Gorodetzky, P., Kajino, F., Klimov, P., Manfrin, M., Marcelli, L., Marszał, W., Mignone, M., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Suino, G., Szabelski, J., and Takizawa, Y.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Mini-EUSO is a mission of the JEM-EUSO program flying onboard the International Space Station since August 2019. Since the first data acquisition in October 2019, more than 35 sessions have been performed for a total of 52 hours of observations. The detector has been observing Earth at night-time in the UV range and detected a wide variety of transient sources all of which have been modelled through Monte Carlo simulations. Mini-EUSO is also capable of detecting meteors and potentially space debris and we performed simulations for such events to estimate their impact on future missions for cosmic ray science from space. We show here examples of the simulation work done in this framework to analyse the Mini-EUSO data. The expected response of Mini-EUSO with respect to ultra high energy cosmic ray showers has been studied. The efficiency curve of Mini-EUSO as a function of primary energy has been estimated and the energy threshold for Cosmic Rays has been placed to be above 10^{21} eV. We compared the morphology of several transient events detected during the mission with cosmic ray simulations and excluded that they can be due to cosmic ray showers. To validate the energy threshold of the detector, a system of ground based flashers is being used for end-to-end calibration purposes. We therefore implemented a parameterisation of such flashers into the JEM-EUSO simulation framework and studied the response of the detector with respect to such sources.
Published: 2021
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13. The Fluorescence Telescope on board EUSO-SPB2 for the detection of Ultra High Energy Cosmic Rays

Author: Osteria, G., Adams, J., Battisti, M., Belov, A., Bertaina, M., Bisconti, F., Cafagna, F., Campana, D., Caruso, R., Casolino, M., Christi, M., Ebisuzaki, T., Eser, J., Fenu, F., Filippatos, G., Fornaro, C., Guarino, F., Klimov, P., Kungel, V., Mackovjak, S., Mese, M., Miller, M., Miyamoto, H., Olinto, A., Onel, Y., Parizot, E., Pech, M., Perfetto, F., Piotrowski, L., Prevot, G., Reardon, P., Ricci, M., Sarazin, F., Scotti, V., Shinozaki, K., Shovanec, P., Szabelski, J., Takizawa, Y., Valore, L., and Wiencke, L.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The Fluorescence Telescope is one of the two telescopes on board the Extreme Universe Space Observatory on a Super Pressure Balloon II (EUSO-SPB2). EUSO-SPB2 is an ultra-long-duration balloon mission that aims at the detection of Ultra High Energy Cosmic Rays (UHECR) via the fluorescence technique (using a Fluorescence Telescope) and of Ultra High Energy (UHE) neutrinos via Cherenkov emission (using a Cherenkov Telescope). The mission is planned to fly in 2023 and is a precursor of the Probe of Extreme Multi-Messenger Astrophysics (POEMMA). The Fluorescence Telescope is a second generation instrument preceded by the telescopes flown on the EUSO-Balloon and EUSO-SPB1 missions. It features Schmidt optics and has a 1-meter diameter aperture. The focal surface of the telescope is equipped with a 6912-pixel Multi Anode Photo Multipliers (MAPMT) camera covering a 37.4 x 11.4 degree Field of Regard. Such a big Field of Regard, together with a flight target duration of up to 100 days, would allow, for the first time from suborbital altitudes, detection of UHECR fluorescence tracks. This contribution will provide an overview of the instrument including the current status of the telescope development., Comment: ICRC 2021
Published: 2021
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14. Detection limits and trigger rates for ultra-high energy cosmic ray detection with the EUSO-TA ground-based fluorescence telescope

Author: Adams, J.H., Jr., Anchordoqui, L., Barghini, D., Battisti, M., Belov, A.A., Belz, J.W., Bertaina, M., Bisconti, F., Blaksley, C., Blin-Bondil, S., Capel, F., Casolino, M., Cummings, A., Ebisuzaki, T., Eser, J., Falk, S., Fenu, F., Ferrarese, S., Filippatos, G., Fouka, M., Fuglesang, C., Gorodetzky, P., Guarino, F., Haungs, A., Inoue, N., Kajino, F., Klimov, P.A., Manfrin, M., Marcelli, L., Marszał, W., Mashiyama, H., Matthews, J.N., Miyamoto, H., Ogio, S., Ohmori, H., Olinto, A.V., Parizot, E., Paul, T., Picozza, P., Piotrowski, L.W., Plebaniak, Z., Prévôt, G., Przybylak, M., Reali, E., Ricci, M., Sagawa, H., Sahnoun, Z., Sakaki, N., Shin, H., Shinozaki, K., Sokolsky, P., Szabelski, J., Tajima, N., Takizawa, Y., Tameda, Y., Thomson, G.B., Vrabel, M., Wiencke, L., and Zotov, M.Yu.
Published: 2024
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15. Extreme Universe Space Observatory on a Super Pressure Balloon 1 calibration: from the laboratory to the desert

Author: Adams Jr., J. H., Allen, L., Bachman, R., Bacholle, S., Barrillon, P., Bayer, J., Bertaina, M., Blaksley, C., Blin-Bondil, S., Cafagna, F., Campana, D., Casolino, M., Christl, M. J., Cummings, A., Dagoret-Campagne, S., Damian, A. Diaz, Ebersoldt, A., Ebisuzaki, T., Escobar, J., Eser, J., Evrard, J., Fenu, F., Finch, W., Fornaro, C., Gorodetzky, P., Gregg, R., Guarino, F., Haungs, A., Hedber, W., Hunt, P., Jung, A., Kawasaki, Y., Kleifges, M., Kuznetsov, E., Mackovjak, S., Marcelli, L., Marszał, W., Medina-Tanco, G., Meyer, S. S., Miyamoto, H., Mastafa, M., Olinto, A. V., Osteria, G., Painter, W., Panico, B., Parizot, E., Paul, T., Perfetto, F., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Polonski, Z., Prévôt, G., Przybylak, M., Rezazadeh, M., Ricci, M., Balanzar, J. C. Sanchez, Santangelo, A., Sarazin, F., Scotti, V., Shinozaki, K., Szabelski, J., Takizawa, Y., Wiencke, L., Young, R., and von Ballmoos, P.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: The Extreme Universe Space Observatory on a Super Pressure Balloon 1 (EUSO-SPB1) instrument was launched out of Wanaka, New Zealand, by NASA in April, 2017 as a mission of opportunity. The detector was developed as part of the Joint Experimental Missions for the Extreme Universe Space Observatory (JEM-EUSO) program toward a space-based ultra-high energy cosmic ray (UHECR) telescope with the main objective to make the first observation of UHECRs via the fluorescence technique from suborbital space. The EUSO-SPB1 instrument is a refractive telescope consisting of two 1m$^2$ Fresnel lenses with a high-speed UV camera at the focal plane. The camera has 2304 individual pixels capable of single photoelectron counting with a time resolution of 2.5$\mu$s. A detailed performance study including calibration was done on ground. We separately evaluated the properties of the Photo Detector Module (PDM) and the optical system in the laboratory. An end-to-end test of the instrument was performed during a field campaign in the West Desert in Utah, USA at the Telescope Array (TA) site in September 2016. The campaign lasted for 8 nights. In this article we present the results of the preflight laboratory and field tests. Based on the tests performed in the field, it was determined that EUSO-SPB1 has a field of view of 11.1$^\circ$ and an absolute photo-detection efficiency of 10%. We also measured the light flux necessary to obtain a 50% trigger efficiency using laser beams. These measurements were crucial for us to perform an accurate post flight event rate calculation to validate our cosmic ray search. Laser beams were also used to estimated the reconstruction angular resolution. Finally, we performed a flat field measurement in flight configuration at the launch site prior to the launch providing a uniformity of the focal surface better than 6%.
Published: 2020
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16. EUSO-SPB1 mission and science

Author: Abdellaoui, G., Abe, S., Adams, J.H., Jr., Allard, D., Alonso, G., Anchordoqui, L., Anzalone, A., Arnone, E., Asano, K., Attallah, R., Attoui, H., Pernas, M. Ave, Bachmann, R., Bacholle, S., Bagheri, M., Bakiri, M., Baláz, J., Barghini, D., Bartocci, S., Battisti, M., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A.A., Benmessai, K., Bertaina, M., Bertone, P.F., Biermann, P.L., Bisconti, F., Blaksley, C., Blanc, N., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bolmgren, K., Bozzo, E., Briz, S., Bruno, A., Caballero, K.S., Cafagna, F., Cambié, G., Campana, D., Capdevielle, J.N., Capel, F., Caramete, A., Caramete, L., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, O., Cellino, A., Černý, K., Chikawa, M., Chiritoi, G., Christl, M.J., Colalillo, R., Conti, L., Cotto, G., Crawford, H.J., Cremonini, R., Creusot, A., Cummings, A., de Castro Gónzalez, A., de la Taille, C., del Peral, L., Desiato, J., Damian, A. Diaz, Diesing, R., Dinaucourt, P., Djakonow, A., Djemil, T., Ebersoldt, A., Ebisuzaki, T., Eser, J., Fenu, F., Fernández-González, S., Ferrarese, S., Filippatos, G., Finch, W., Fornaro, C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fukushima, M., Galeotti, P., García-Ortega, E., Gardiol, D., Garipov, G.K., Gascón, E., Gazda, E., Genci, J., Golzio, A., Gorodetzky, P., Gregg, R., Green, A., Guarino, F., Guépin, C., Guzmán, A., Hachisu, Y., Haungs, A., Heigbes, T., Carretero, J. Hernández, Hulett, L., Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Jochum, J., Joven, E., Judd, E.G., Jung, A., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Kasztelan, M., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B.A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P.A., Kreykenbohm, I., Krizmanic, J.F., Królik, K., Kungel, V., Kurihara, Y., Kusenko, A., Kuznetsov, E., Lahmar, H., Lakhdari, F., Licandro, J., Campano, L. López, Martínez, F. López, Mackovjak, S., Mahdi, M., Mandát, D., Manfrin, M., Marcelli, L., Marcos, J.L., Marszał, W., Martín, Y., Martinez, O., Mase, K., Mastafa, M., Matthews, J.N., Mebarki, N., Medina-Tanco, G., Menshikov, A., Merino, A., Mese, M., Meseguer, J., Meyer, S.S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., de los Ríos, J.A. Morales, Nachtman, J.M., Nagataki, S., Naitamor, S., Napolitano, T., Neronov, A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A.V., Onel, Y., Osteria, G., Otte, A.N., Pagliaro, A., Painter, W., Panasyuk, M.I., Panico, B., Parizot, E., Park, I.H., Pastircak, B., Paul, T., Pech, M., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L.W., Piraino, S., Plebaniak, Z., Pollini, A., Popescu, E.M., Prevete, R., Prévôt, G., Prieto, H., Przybylak, M., Puehlhofer, G., Putis, M., Reardon, P., Reno, M.H., Reyes, M., Ricci, M., Frías, M.D. Rodríguez, Matamala, O.F. Romero, Ronga, F., Sabau, M.D., Saccá, G., Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Sánchez, J.L., Balanzar, J.C. Sanchez, Santangelo, A., Sanz-Andrés, A., Saprykin, O.A., Sarazin, F., Sato, M., Scagliola, A., Schanz, T., Schieler, H., Schovánek, P., Scotti, V., Serra, M., Sharakin, S.A., Shimizu, H.M., Shinozaki, K., Soriano, J.F., Sotgiu, A., Stan, I., Strharský, I., Sugiyama, N., Supanitsky, D., Suzuki, M., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takeda, M., Takizawa, Y., Talai, M.C., Tameda, Y., Tenzer, C., Thomas, S.B., Tibolla, O., Tkachev, L.G., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsunesada, Y., Tsuno, K., Turriziani, S., Uchihori, Y., Valdés-Galicia, J.F., Vallania, P., Valore, L., Vankova-Kirilova, G., Venters, T.M., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts, J., Jr., Muñoz, R. Weigand, Weindl, A., Wiencke, L., Wille, M., Wilms, J., Yamamoto, T., Yang, J., Yano, H., Yashin, I.V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I.S., Zotov, M.Yu., and Marchi, A. Zuccaro
Published: 2024
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17. Integration, qualification, and launch of the Mini-EUSO telescope on board the ISS

Author: Marcelli, L., Barghini, D., Battisti, M., Blaksley, C., Blin, S., Belov, A., Bertaina, M., Bianciotto, M., Bisconti, F., Bolmgren, K., Cambiè, G., Capel, F., Casolino, M., Churilo, I., Crisconio, M., Taille, C. De La, Ebisuzaki, T., Eser, J., Fenu, F., Franceschi, M. A., Fuglesang, C., Golzio, A., Gorodetzky, P., Kasuga, H., Kajino, F., Klimov, P., Kuznetsov, V., Manfrin, M., Mascetti, G., Marszał, W., Miyamoto, H., Murashov, A., Napolitano, T., Ohmori, H., Olinto, A., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Reali, E., Romoli, G., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., Takizawa, Y., Valentini, G., Vrabel, M., and Wiencke, L.
Published: 2023
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18. Mini-EUSO mission to study Earth UV emissions on board the ISS

Author: Bacholle, S., Barrillon, P., Battisti, M., Belov, A., Bertaina, M., Bisconti, F., Blaksley, C., Blin-Bondil, S., Cafagna, F., Cambiè, G., Capel, F., Casolino, M., Crisconio, M., Churilo, I., Cotto, G., de la Taille, C., Djakonow, A., Ebisuzaki, T., Fenu, F., Franceschi, A., Fuglesang, C., Gorodetzky, P., Haungs, A., Kajino, F., Kasuga, H., Khrenov, B., Klimov, P., Kochepasov, S., Kuznetsov, V., Marcelli, L., Marszal, W., Mignone, M., Mascetti, G., Miyamoto, H., Murashov, A., Napolitano, T., Olinto, A. V., Ohmori, H., Osteria, G., Panasyuk, M., Porfilio, M., Poroshin, A., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prevot, G., Przybylak, M., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., Takizawa, Y., Turriziani, S., Valentini, M. Traiche G., Wada, S., Wiencke, L., Yashin, I., and Zuccaro-Marchi, A.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: Mini-EUSO is a telescope observing the Earth in the ultraviolet band from the International Space Station. It is a part of the JEM-EUSO program, paving the way to future larger missions, such as KEUSO and POEMMA, devoted primarily to the observation of Ultra High Energy Cosmic Rays from space. Mini-EUSO is capable of observing Extensive Air Showers generated by Ultra-High Energy Cosmic Rays with an energy above 10^21 eV and detect artificial showers generated with lasers from the ground. Other main scientific objectives of the mission are the search for nuclearites and Strange Quark Matter, the study of atmospheric phenomena such as Transient Luminous Events, meteors and meteoroids, the observation of sea bioluminescence and of artificial satellites and man-made space debris. Mini-EUSO will map the night-time Earth in the UV range (290 - 430 nm), with a spatial resolution of about 6.3 km and a temporal resolution of 2.5 microseconds, through a nadir-facing UV-transparent window in the Russian Zvezda module. The instrument, launched on August 22, 2019 from the Baikonur cosmodrome, is based on an optical system employing two Fresnel lenses and a focal surface composed of 36 Multi-Anode Photomultiplier tubes, 64 channels each, for a total of 2304 channels with single photon counting sensitivity and an overall field of view of 44 degrees. Mini-EUSO also contains two ancillary cameras to complement measurements in the near infrared and visible ranges. In this paper we describe the detector and present the various phenomena observed in the first months of operations., Comment: 23 pages, 20 figures
Published: 2020
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19. Contributions to the 36th International Cosmic Ray Conference (ICRC 2019) of the JEM-EUSO Collaboration

Author: Abdellaoui, G., Abe, S., Adams Jr., J. H., Ahriche, A., Allard, D., Allen, L., Alonso, G., Anchordoqui, L., Anzalone, A., Arai, Y., Asano, K., Attallah, R., Attoui, H., Pernas, M. Ave, Bacholle, S., Bakiri, M., Baragatti, P., Barrillon, P., Bartocci, S., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A., Belov, K., Benmessai, K., Bertaina, M., Biermann, P. L., Biktemerova, S., Bisconti, F., Blaksley, C., Blanc, N., Błęcki, J., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bozzo, E., Pacheco, S. Briz, Bruno, A., Caballero, K. S., Cafagna, F., Campana, D., Capdevielle, J-N., Capel, F., Caramete, A., Caramete, L., Carlson, P., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, O., Cellino, A., Chikawa, M., Chiritoi, G., Christl, M. J., Connaughton, V., Conti, L., Cotto, G., Crawford, H. J., Cremonini, R., Creusot, A., Csorna, S., Cummings, A., Dagoret-Campagne, S., Gónzalez, A. de Castro, De Donato, C., de la Taille, C., De Santis, C., del Peral, L., Di Martino, M., Damian, A. Diaz, Djemil, T., Dutan, I., Ebersoldt, A., Ebisuzaki, T., Engel, R., Eser, J., Fenu, F., Fernández-González, S., Ferrarese, S., Flamini, M., Fornaro, C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fujimoto, J., Fukushima, M., Galeotti, P., García-Ortega, E., Garipov, G., Gascón, E., Genci, J., Giraudo, G., Alvarado, C. González, Gorodetzky, P., Greg, R., Guarino, F., Guzmán, A., Hachisu, Y., Haiduc, M., Harlov, B., Haungs, A., Carretero, J. Hernández, Cruz, W. Hidber, Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Joven, E., Judd, E. G., Jung, A., Jochum, J., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Karadzhov, Y., Karczmarczyk, J., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B. A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P. A., Kolev, D., Krantz, H., Kreykenbohm, I., Krizmanic, J. F., Kudela, K., Kurihara, Y., Kusenko, A., Kuznetsov, E., La Barbera, A., Lahmar, H., Lakhdari, F., Larsson, O., Lee, J., Licandro, J., Campano, L. López, Martínez, F. López, Maccarone, M. C., Mackovjak, S., Mahdi, M., Maravilla, D., Marcelli, L., Marcos, J. L., Marini, A., Marszał, W., Martens, K., Martín, Y., Martinez, O., Martucci, M., Masciantonio, G., Mase, K., Matev, R., Matthews, J. N., Mebarki, N., Medina-Tanco, G., Menshikov, A., Merino, A., Meseguer, J., Meyer, S. S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Ríos, J. A. Morales de los, Mustafa, M., Nagataki, S., Naitamor, S., Napolitano, T., Nava, R., Neronov, A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A. V., Orleaánski, P., Osteria, G., Pagliaro, A., Painter, W., Panasyuk, M. I., Panico, B., Parizot, E., Park, I. H., Pastircak, B., Patzak, T., Paul, T., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L. W., Piraino, S., Placidi, L., Plebaniak, Z., Pliego, S., Pollini, A., Polonski, Z., Popescu, E. M., Prat, P., Prévôt, G., Prieto, H., Puehlhofer, G., Putis, M., Rabanal, J., Radu, A. A., Reyes, M., Rezazadeh, M., Ricci, M., Frías, M. D. Rodríguez, Ronga, F., Roudil, G., Rusinov, I., Rybczyński, M., Sabau, M. D., Cano, G. Sáaez, Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Balanzar, J. C. Sanchez, Sánchez, J. L., Santangelo, A., Sanz-Andrés, A., Palomino, M. Sanz, Saprykin, O., Sarazin, F., Sato, M., Schanz, T., Schieler, H., Scotti, V., Selmane, S., Semikoz, D., Serra, M., Sharakin, S., Shimizu, H. M., Shinozaki, K., Shirahama, T., Spataro, B., Stan, I., Sugiyama, T., Supanitsky, D., Suzuki, M., Szabelska, B., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takami, H., Takeda, M., Takizawa, Y., Talai, M. C., Tenzer, C., Thomas, S. B., Tibolla, O., Tkachev, L., Tokuno, H., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsenov, R., Tsunesada, Y., Tsuno, K., Tubbs, J., Turriziani, S., Uchihori, Y., Vaduvescu, O., Valdés-Galicia, J. F., Vallania, P., Vankova, G., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts Jr., J., Weber, M., Muñoz, R. Weigand, Weindl, A., Wiencke, L., Wille, M., Wilms, J., Włodarczyk, Z., Yamamoto, T., Yang, J., Yano, H., Yashin, I. V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I. S, Zotov, M. Yu., and Marchi, A. Zuccaro
Subjects: Astrophysics - High Energy Astrophysical Phenomena
Abstract: Compilation of papers presented by the JEM-EUSO Collaboration at the 36th International Cosmic Ray Conference (ICRC), held July 24 through August 1, 2019 in Madison, Wisconsin., Comment: links to the 24 papers published in arXiv
Published: 2019

20. Mini-EUSO experiment to study UV emission of terrestrial and astrophysical origin onboard of the International Space Station

Author: Casolino, M., Battisti, M., Belov, A., Bertaina, M., Bisconti, F., Blin-Bondil, S., Cafagna, F., Cambiè, G., Capel, F., Churilo, I., Cotto, G., Djakonow, A., Ebisuzaki, T., Fausti, F., Fenu, F., Fornaro, C., Franceschi, A., Fuglesang, C., Gorodetzky, P., Haungs, A., Kajino, F., Klimov, P., Marcelli, L., Marszał, W., Mignone, M., Miyamoto, H., Murashov, A., Napolitano, T., Osteria, G., Panasyuk, M., Poroshin, A., Parizot, E., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Przybylak, M., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., Takizawa, Y., Traïche, M., and Turriziani, S.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract: Mini-EUSO will observe the Earth in the UV range (300 - 400 nm) offering the opportunity to study a variety of atmospheric events such as Transient Luminous Events (TLEs), meteors and marine bioluminescence. Furthermore it aims to search for Ultra High Energy Cosmic Rays (UHECR) above $10^{21}$ eV and Strange Quark Matter (SQM). The detector is expected to be launched to the International Space Station in August 2019 and look at the Earth in nadir mode from the UV-transparent window of the Zvezda module of the International Space Station. The instrument comprises a compact telescope with a large field of view ($44^{\circ}$), based on an optical system employing two Fresnel lenses for light collection. The light is focused onto an array of 36 multi-anode photomultiplier tubes (MAPMT), for a total of 2304 pixels and the resulting signal is converted into digital, processed and stored via the electronics subsystems on-board. In addition to the main detector, Mini-EUSO contains two ancillary cameras for complementary measurements in the near infrared (1500 - 1600 nm) and visible (400 - 780 nm) range and also a 8x8 SiPM imaging array., Comment: 8 pages, 12 figures, ICRC2019
Published: 2019

21. Space Debris detection and tracking with the techniques of cosmic ray physics

Author: Miyamoto, H., Battisti, M., Belov, A., Bertaina, M. E., Bisconti, F., Bonino, R., Blin-Bondil, S., Cafagna, F., Cambiè, G., Capel, F., Casolino, M., Cellino, A., Churilo, I., Cotto, G., Djakonow, A., Ebisuzaki, T., Fausti, F., Fenu, F., Fornaro, C., Franceschi, A., Fuglesang, C., Gardiol, D., Gorodetzky, P., Kajino, F., Klimov, P., Marcelli, L., Marszał, W., Mignone, M., Murashov, A., Napolitano, T., Osteria, G., Panasyuk, M., Parizot, E., Poroshin, A., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Przybylak, M., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Suino, G., Szabelski, J., Takizawa, Y., Traïche, M., and Turriziani, S.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Space Debris (SD) consist of non-operational artificial objects orbiting around the Earth, which could possibly damage space vehicles, such as the International Space Station (ISS) or other manned spacecrafts. The vast majority of such objects are cm-sized, not catalogued and usually the tracking data are not precise enough. Here we present the feasibility study of SD detection and tracking with techniques usually employed in cosmic-ray physics. For this purpose, we have evaluated the possibility of using Mini-EUSO, a space-borne fluorescence telescope to be deployed on the ISS, to track SD illuminated by the Sun. By means of ESAF (EUSO Simulation and analysis Framework) simulation and by developing the trigger algorithms, we estimated the minimum size and maximum distances of detectable SD. We then studied the number of possible SD detections using an ESA software called MASTER (Meteoroid and SD Terrestrial Environment Reference). With the Mini-EUSO Engineering Model (Mini-EUSO EM), we performed some measurements to estimate the reflectance of the most common SD materials and to demonstrate the ability of Mini-EUSO to detect SD events. We also performed some tests in open-sky conditions, identifying and tracking fast-moving objects. In particular, the detection of a rocket body allowed us to confirm the simulation outcomes predictions and the expected performance of the detector.
Published: 2019

22. Mini-EUSO engineering model: tests in open-sky condition

Author: Bisconti, F., Barghini, D., Battisti, M., Belov, A., Bertaina, M. E., Blin-Bondil, S., Cafagna, F., Cambiè, G., Capel, F., Casolino, M., Cellino, A., Churilo, I., Cotto, G., Djakonow, A., Ebisuzaki, T., Fausti, F., Fenu, F., Fornaro, C., Franceschi, A., Fuglesang, C., Gardiol, D., Gorodetzky, P., Kajino, F., Klimov, P., Marcelli, L., Marszał, W., Mignone, M., Miyamoto, H., Murashov, A., Napolitano, T., Osteria, G., Panasyuk, M., Parizot, E., Poroshin, A., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Przybylak, M., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Suino, G., Szabelski, J., Takizawa, Y., Traïche, M., and Turriziani, S.
Subjects: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Mini-EUSO is a UV telescope that will look downwards to the Earth's atmosphere onboard the International Space Station. With the design of the ultra-high energy cosmic ray fluorescence detectors belonging to the JEM-EUSO program, it will make the first UV map of the Earth by observing atmospheric phenomena such as transient luminous events, sprites and lightning, as well as meteors and bioluminescence from earth. Diffused light from laser shots from the ground, which mimic the fluorescence light emitted by Nitrogen molecules when extensive air showers pass through the atmosphere, can be used to verify the capability of this kind of detector to observe ultra-high energy cosmic rays. To validate the electronics and the trigger algorithms developed for Mini-EUSO, a scaled down version of the telescope with 1:9 of the original focal surface and a lens of 2.5 cm diameter has been built. Tests of the Mini-EUSO engineering model have been made in laboratory and in open sky condition. In this paper, we report results of observations of the night sky, which include the detection of stars, meteors, a planet and a rocket body reflecting the sunlight. Interesting results of the observation of city lights are also reported., Comment: presented at the 36th ICRC (Madison, WI; 2019)
Published: 2019

23. EUSO-TA ground based fluorescence detector: analysis of the detected events

Author: Bisconti, F., Belz, J. W., Bertaina, M. E., Blin-Bondil, S., Capel, F., Casolino, M., Ebisuzaki, T., Eser, J., Gorodetzky, P., Matthews, J. N., Parizot, E., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Putis, M., Sagawa, H., Sakaki, N., Shin, H., Shinozaki, K., Sokolsky, P., Takizawa, Y., Tameda, Y., and Thomson, G. B.
Subjects: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: EUSO-TA is a ground-based florescence detector built to validate the design of an ultra-high energy cosmic ray fluorescence detector to be operated in space. EUSO-TA detected the first air shower events with the technology developed within the JEM-EUSO program. It operates at the Telescope Array (TA) site in Utah, USA. With the external trigger provided by the Black Rock Mesa fluorescence detectors of Telescope Array (TA-FDs), EUSO-TA observed nine ultra-high energy cosmic ray events and several laser events from the Central Laser Facility of Telescope Array and portable lasers like the JEM-EUSO Global Light System prototype. The reconstruction parameters of the cosmic ray events which crossed the EUSO-TA field of view (both detected and not detected by EUSO-TA), were provided by the Telescope Array Collaboration. As the TA-FDs have a wider field of view than EUSO-TA ($\sim$30 times larger), they allow the cosmic ray energy reconstruction based on the observation of most of the extensive air-shower profiles, including the shower maximum, while EUSO-TA only observes a portion of the showers, usually far from the maximum. For this reason, the energy of the cosmic rays corresponding to the EUSO-TA signals appear lower than the actual ones. In this contribution, the analysis of the cosmic-ray events detected with EUSO-TA is discussed., Comment: presented at the 36th ICRC (Madison, WI; 2019)
Published: 2019

24. The EUSO@TurLab: Test of Mini-EUSO Engineering Model

Author: Miyamoto, H., Battisti, M., Belov, A., Bertaina, M. E., Bisconti, F., Bonino, R., Blin-Bondil, S., Cafagna, F., Cambiè, G., Capel, F., Caruso, R., Casolino, M., Cellino, A., Churilo, I., Contino, G., Cotto, G., Djakonow, A., Ebisuzaki, T., Fausti, F., Fenu, F., Fornaro, C., Franceschi, A., Fuglesang, C., Gardiol, D., Gorodetzky, P., Kajino, F., Klimov, P., Marcelli, L., Marszał, W., Mignone, M., Murashov, A., Napolitano, T., Osteria, G., Panasyuk, M., Parizot, E., Poroshin, A., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Prévôt, G., Przybylak, M., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Suino, G., Szabelski, J., Takizawa, Y., Traïche, M., and Turriziani, S.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The TurLab facility is a laboratory, equipped with a 5 m diameter and 1 m depth rotating tank, located in the Physics Department of the University of Turin. Originally, it was mainly built to study systems of different scales where rotation plays a key role in the fluid behavior such as in atmospheric and oceanic flows. In the past few years the TurLab facility has been used to perform experiments related to the observation of Extreme Energy Cosmic Rays (EECRs) from space using the fluorescence technique. For example, in the case of the JEM-EUSO mission, where the diffuse night brightness and artificial light sources can vary significantly in time and space inside the Field of View of the telescope. The Focal Surface of Mini-EUSO Engineering Model (Mini-EUSO EM) with the level 1 (L1) and 2 (L2) trigger logics implemented in the Photo-Detector Module (PDM) has been tested at TurLab. Tests related to the possibility of using an EUSO-like detector for other type of applications such as Space Debris (SD) monitoring and imaging detector have also been pursued. The tests and results obtained within the EUSO@TurLab Project on these different topics are presented., Comment: 8 pages, 6 figures, ICRC2019
Published: 2019

25. Observational Signatures of Gamma Rays from Bright Blazars and Wakefield Theory

Author: Canac, NE, Abazajian, KN, Tajima, T, Ebisuzaki, T, and Horiuchi, S
Subjects: acceleration of particles, plasmas, galaxies: active, gamma-rays: galaxies, astro-ph.HE, Astronomical and Space Sciences, Astronomy & Astrophysics
Abstract: ABSTRACTGamma-ray observations have revealed strong variability in blazar luminosities in the gamma-ray band over time-scales as short as minutes. We show, for the first time, that the correlation of the spectrum with intensity is consistent with the behaviour of the luminosity variation of blazar spectral energy distributions (SEDs) along a blazar sequence for low synchrotron peak blazars. We show that the observational signatures of variability with flux are consistent with wakefield acceleration of electrons initiated by instabilities in the blazar accretion disc. This mechanism reproduces the observed time variations as short as 100 s. The wakefield mechanism also predicts a reduction of the electron spectral index with increased gamma-ray luminosity, which could be detected in higher energy observations well above the inverse Compton peak.
Published: 2020

26. Description and performance results of the trigger logic of TUS and Mini-EUSO to search for Ultra-High Energy Cosmic Rays from space

Author: Bertaina, M., Barghini, D., Battisti, M., Belov, A., Bianciotto, M., Bisconti, F., Blaksley, C., Bolmgren, K., Cambiè, G., Capel, F., Casolino, M., Ebisuzaki, T., Fenu, F., Franceschi, M.A., Fuglesang, C., Golzio, A., Gorodetzky, P., Kajino, F., Klimov, P., Manfrin, M., Marcelli, L., Marszał, W., Mignone, M., Miyamoto, H., Napolitano, T., Parizot, E., Picozza, P., Piotrowski, L.W., Plebaniak, Z., Prévôt, G., Reali, E., Ricci, M., Sakaki, N., Sharakin, S., Szabelski, J., Takizawa, Y., Vrabel, M., Yashin, I., and Zotov, M.
Published: 2023
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27. Observation of night-time emissions of the Earth in the near UV range from the International Space Station with the Mini-EUSO detector

Author: Casolino, M., Barghini, D., Battisti, M., Blaksley, C., Belov, A., Bertaina, M., Bianciotto, M., Bisconti, F., Blin, S., Bolmgren, K., Cambiè, G., Capel, F., Churilo, I., Crisconio, M., De La Taille, C., Ebisuzaki, T., Eser, J., Fenu, F., Franceschi, M.A., Fuglesang, C., Golzio, A., Gorodetzky, P., Kasuga, H., Kajino, F., Klimov, P., Kuznetsov, V., Manfrin, M., Marcelli, L., Mascetti, G., Marszał, W., Miyamoto, H., Murashov, A., Napolitano, T., Ohmori, H., Olinto, A., Parizot, E., Picozza, P., Piotrowski, L.W., Plebaniak, Z., Prévôt, G., Reali, E., Romoli, G., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., Takizawa, Y., Valentini, G., Vrabel, M., and Wiencke, L.
Published: 2023
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28. First observations of speed of light tracks by a fluorescence detector looking down on the atmosphere

Author: Abdellaoui, G., Abe, S., Adams Jr., J. H., Ahriche, A., Allard, D., Allen, L., Alonso, G., Anchordoqui, L., Anzalone, A., Arai, Y., Asano, K., Attallah, R., Attoui, H., Pernas, M. Ave, Bacholle, S., Bakiri, M., Baragatti, P., Barrillon, P., Bartocci, S., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A., Belov, K., Benmessai, K., Bertaina, M., Biermann, P. L., Biktemerova, S., Bisconti, F., Blanc, N., Błȩcki, J., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bozzo, E., Bruno, A., Caballero, K. S., Cafagna, F., Campana, D., Capdevielle, J-N., Capel, F., Caramete, A., Caramete, L., Carlson, P., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, C. Catalano O., Cellino, A., Chikawa, M., Chiritoi, G., Christl, M. J., Connaughton, V., Conti, L., Cordero, G., Cotto, G., Crawford, H. J., Cremonini, R., Csorna, S., Cummings, A., Dagoret-Campagne, S., De Donato, C., de la Taille, C., De Santis, C., del Peral, L., Di Martino, M., Damian, A. Diaz, Djemil, T., Dutan, I., Ebersoldt, A., Ebisuzaki, T., Engel, R., Eser, J., Fenu, F., Fernández-González, S., Fernández-Soriano, J., Ferrarese, S., Flamini, M., Fornaro, C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fujimoto, J., Fukushima, M., Galeotti, P., García-Ortega, E., Garipov, G., Gascón, E., Genci, J., Giraudo, G., Alvarado, C. González, Gorodetzky, P., Greg, R., Guarino, F., Guzmán, A., Hachisu, Y., Haiduc, M., Harlov, B., Haungs, A., Carretero, J. Hernández, Cruz, W. Hidber, Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Joven, E., Judd, E. G., Jung, A., Jochum, J., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Karadzhov, Y., Karczmarczyk, J., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B. A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P. A., Kolev, D., Krantz, H., Kreykenbohm, I., Kudela, K., Kurihara, Y., Kusenko, A., Kuznetsov, E., La Barbera, A., Lachaud, C., Lahmar, H., Lakhdari, F., Larson, R., Larsson, O., Lee, J., Licandro, J., Campano, L. López, Maccarone, M. C., Mackovjak, S., Mahdi, M., Maravilla, D., Marcelli, L., Marcos, J. L., Marini, A., Marszał, W., Martens, K., Martín, Y., Martinez, O., Martucci, M., Masciantonio, G., Mase, K., Mastafa, M., Matev, R., Matthews, J. N., Mebarki, N., Medina-Tanco, G., Mendoza, M. A., Menshikov, A., Merino, A., Meseguer, J., Meyer, S. S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Ríos, J. A. Morales de los, Nagataki, C. Moretto S., Naitamor, S., Napolitano, T., Naslund, W., Nava, R., Neronov, A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A. V., Orleański, P., Osteria, G., Pagliaro, A., Painter, W., Panasyuk, M. I., Panico, B., Pasqualino, G., Parizot, E., Park, I. H., Pastircak, B., Patzak, T., Paul, T., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L. W., Piraino, S., Placidi, L., Plebaniak, Z., Pliego, S., Pollini, A., Polonski, Z., Popescu, E. M., Prat, P., Prévôt, G., Prieto, H., Puehlhofer, G., Putis, M., Rabanal, J., Radu, A. A., Reyes, M., Rezazadeh, M., Ricci, M., Frías, M. D. Rodríguez, Rodencal, M., Ronga, F., Roudil, G., Rusinov, I., Rybczyński, M., Sabau, M. D., Cano, G. Sáez, Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Balanzar, J. C. Sanchez, Sánchez, J. L., Santangelo, A., Sanz-Andrés, A., Palomino, M. Sanz, Saprykin, O., Sarazin, F., Sato, M., Schanz, T., Schieler, H., Scotti, V., Selmane, S., Semikoz, D., Serra, M., Sharakin, S., Shimizu, H. M., Shinozaki, K., Shirahama, T., Spataro, B., Stan, I., Sugiyama, T., Supanitsky, D., Suzuki, M., Szabelska, B., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takami, H., Takeda, M., Takizawa, Y., Talai, M. C., Tenzer, C., Thomas, S. B., Tibolla, O., Tkachev, L., Tokuno, H., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsenov, R., Tsunesada, Y., Tsuno, K., Tubbs, J., Turriziani, S., Uchihori, Y., Vaduvescu, O., Valdés-Galicia, J. F., Vallania, P., Vankova, G., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts Jr., J., Weber, M., Muñoz, R. Weigand, Weindl, A., Wiencke, L., Wille, M., Wilms, J., Włodarczyk, Z., Yamamoto, T., Yang, J., Yano, H., Yashin, I. V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I. S, Zotov, M. Yu., and Marchi, A. Zuccaro
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: EUSO-Balloon is a pathfinder mission for the Extreme Universe Space Observatory onboard the Japanese Experiment Module (JEM-EUSO). It was launched on the moonless night of the 25$^{th}$ of August 2014 from Timmins, Canada. The flight ended successfully after maintaining the target altitude of 38 km for five hours. One part of the mission was a 2.5 hour underflight using a helicopter equipped with three UV light sources (LED, xenon flasher and laser) to perform an inflight calibration and examine the detectors capability to measure tracks moving at the speed of light. We describe the helicopter laser system and details of the underflight as well as how the laser tracks were recorded and found in the data. These are the first recorded laser tracks measured from a fluorescence detector looking down on the atmosphere. Finally, we present a first reconstruction of the direction of the laser tracks relative to the detector., Comment: 18 pages, 14 figures
Published: 2018
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29. Onboard performance of the level 1 trigger of the mini-EUSO telescope

Author: Battisti, M., Barghini, D., Belov, A., Bertaina, M., Bisconti, F., Bolmgren, K., Cambiè, G., Capel, F., Casolino, M., Ebisuzaki, T., Fenu, F., Franceschi, M.A., Fuglesang, C., Golzio, A., Gorodetzki, P., Kajino, F., Klimov, P., Manfrin, M., Marcelli, L., Marszał, W., Miyamoto, H., Napolitano, T., Parizot, E., Picozza, P., Piotrowski, L.W., Plebaniak, Z., Prévôt, G., Reali, E., Ricci, M., Sakaki, N., Shinozaki, K., Szabelski, J., and Takizawa, Y.
Published: 2022
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30. Pre-flight qualification tests of the Mini-EUSO telescope engineering model

Author: Bisconti, F., Miyamoto, H., Barghini, D., Battisti, M., Belov, A., Bertaina, M. E., Blin-Bondil, S., Cambiè, G., Capel, F., Casolino, M., Cellino, A., Conti, L., Contino, G., Cotto, G., Ebisuzaki, T., Fenu, F., Fornaro, C., Franceschi, A., Gardiol, D., Haungs, A., Klimov, P., Manfrin, M., Marcelli, L., Mignone, M., Napolitano, T., Parizot, E., Picozza, P., Piotrowski, L. W., Prévôt, G., Reali, E., Ricci, M., Shinozaki, K., Simioli, F., Suino, G., and Szabelski, J.
Published: 2022
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31. Stack-CNN algorithm: A new approach for the detection of space objects

Author: Montanaro, A., Ebisuzaki, T., and Bertaina, M.
Published: 2022
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32. Observational Signatures of Gamma Rays from Bright Blazars and Wakefield Theory

Author: Canac, N. E., Abazajian, K. N., Tajima, T., Ebisuzaki, T., and Horiuchi, S.
Subjects: Astrophysics - High Energy Astrophysical Phenomena
Abstract: Gamma-ray observations have revealed strong variability in blazar luminosities in the gamma-ray band over time scales as short as minutes. We show, for the first time, that the correlation of the spectrum with intensity is consistent with the behavior of the luminosity variation of blazar SEDs along a blazar sequence for low synchrotron peak blazars. We show that the observational signatures of variability with flux are consistent with wakefield acceleration of electrons initiated by instabilities in the blazar accretion disk. This mechanism reproduces the observed time variations as short as 100 seconds. The wakefield mechanism also predicts a reduction of the electron spectral index with increased gamma-ray luminosity, which could be detected in higher energy observations well above the inverse Compton peak., Comment: 10 pages, 6 figures. matches version to be published in MNRAS
Published: 2017
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33. Extreme Universe Space Observatory on a Super Pressure Balloon 1 calibration: from the laboratory to the desert

Author: Adams, Jr., J. H., Allen, L., Bachman, R., Bacholle, S., Barrillon, P., Bayer, J., Bertaina, M., Blaksley, C., Blin-Bondil, S., Cafagna, F., Campana, D., Casolino, M., Christl, M. J., Cummings, A., Dagoret-Campagne, S., Damian, A. Diaz, Ebersoldt, A., Ebisuzaki, T., Escobar, J., Eser, J., Evrard, J., Fenu, F., Finch, W., Fornaro, C., Gorodetzky, P., Gregg, R., Guarino, F., Haungs, A., Hedber, W., Hunt, P., Jung, A., Kawasaki, Y., Kleifges, M., Kuznetsov, E., Mackovjak, S., Marcelli, L., Marszał, W., Medina-Tanco, G., Meyer, S. S., Miyamoto, H., Mastafa, M., Olinto, A. V., Osteria, G., Painter, W., Panico, B., Parizot, E., Paul, T., Perfetto, F., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Polonski, Z., Prévôt, G., Przybylak, M., Rezazadeh, M., Ricci, M., Balanzar, J. C. Sanchez, Santangelo, A., Sarazin, F., Scotti, V., Shinozaki, K., Szabelski, J., Takizawa, Y., Wiencke, L., Young, R., and von Ballmoos, P.
Published: 2021
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34. The current status of orbital experiments for UHECR studies

Author: Panasyuk, M. I., Casolino, M., Garipov, G. K., Ebisuzaki, T., Gorodetzky, P., Khrenov, B. A., Klimov, P. A., Morozenko, V. S., Sakaki, N., Saprykin, O. A., Sharakin, S. A., Takizawa, Y., Tkachev, L. G., Yashin, I. V., and Zotov, M. Yu.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Two types of orbital detectors of extreme energy cosmic rays are being developed nowadays: (i) TUS and KLYPVE with reflecting optical systems (mirrors) and (ii) JEM-EUSO with high-transmittance Fresnel lenses. They will cover much larger areas than existing ground-based arrays and almost uniformly monitor the celestial sphere. The TUS detector is the pioneering mission developed in SINP MSU in cooperation with several Russian and foreign institutions. It has relatively small field of view (+/-4.5 deg), which corresponds to a ground area of 6.4x10^3 sq.km. The telescope consists of a Fresnel-type mirror-concentrator (~2 sq.m) and a photo receiver (a matrix of 16x16 photomultiplier tubes). It is to be deployed on the Lomonosov satellite, and is currently at the final stage of preflight tests. Recently, SINP MSU began the KLYPVE project to be installed on board of the Russian segment of the ISS. The optical system of this detector contains a larger primary mirror (10 sq.m), which allows decreasing the energy threshold. The total effective field of view will be at least +/-14 degrees to exceed the annual exposure of the existing ground-based experiments. Several configurations of the detector are being currently considered. Finally, JEM-EUSO is a wide field of view (+/-30 deg) detector. The optics is composed of two curved double-sided Fresnel lenses with 2.65 m external diameter, a precision diffractive middle lens and a pupil. The ultraviolet photons are focused onto the focal surface, which consists of nearly 5000 multi-anode photomultipliers. It is developed by a large international collaboration. All three orbital detectors have multi-purpose character due to continuous monitoring of various atmospheric phenomena. The present status of development of the TUS and KLYPVE missions is reported, and a brief comparison of the projects with JEM-EUSO is given., Comment: 18 pages; based on the rapporteur talk given by M.I. Panasyuk at ECRS-2014; v2: a few minor language issues fixed thanks to the editor; to be published in the proceedings
Published: 2015
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35. Multi Anode Photomultiplier Tube Reliability Assessment for the JEM-EUSO Space Mission

Author: Prieto-Alfonso, H., del Peral, L., Casolino, M., Tsuno, K., Ebisuzaki, T., Frías, M. D. Rodríguez, and Collaboration, JEM-EUSO
Subjects: Physics - Instrumentation and Detectors, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: Reliability assessment in concerned with the analysis of devices and systems whose individual components are prone to fail. This reliability analysis documents the process and results of reliability determination of the JEM-EUSO photomultiplier tube component using the methods 217 Plus. Quantum efficiency degradation and radiation hardness assurance. In conclussion, the levels of damage suffered by the PMTs which comprise the focal surface of JEM-EUSO Space Telescope, are acceptable. The results show as well the greatest contribution to the failure is due to radiation SET. The guaranteed performance of this equipment is a 99.45 per cent, an accepted value of reliability thus fulfilling the objectives and technological challenges of JEM-EUSO.
Published: 2015
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36. Observation of meteors from space with the Mini-EUSO detector on board the International Space Station.

Author: Barghini, D., Battisti, M., Belov, A., Bertaina, M., Bertone, S., Bisconti, F., Blaksley, C., Blin, S., Bolmgren, K., Cambiè, G., Capel, F., Casolino, M., Cellino, A., Churilo, I., Coretti, A. G., Crisconio, M., De La Taille, C., Ebisuzaki, T., Eser, J., and Fenu, F.
Subjects: TRANSIENTS (Dynamics), SPACE stations, ACTINIC flux, ATMOSPHERE, SPATIAL resolution, METEORS
Abstract: Context. Observations of meteors in the Earth's atmosphere offer a unique tool for determining the flux of meteoroids that are too small to be detected by direct telescopic observations. Although these objects are routinely observed from ground-based facilities, such as meteor and fireball networks, space-based instruments come with notable advantages and have the potential to achieve a broad and uniform exposure. Aims. In this paper, we describe the first observations of meteor events with Mini-EUSO, a very wide field-of-view telescope launched in August 2019 from the Baikonur cosmodrome and installed on board the Russian Zvezda module of the International Space Station. Mini-EUSO can map the night-time Earth in the near-UV range (290-130 nm) with a field of view equal to 44° × 44° and a spatial resolution of about 4.7 km at an altitude of 100 km from the ground. The detector saves triggered transient phenomena with a sampling frequency of 2.5 µs and 320 µs, as well as a continuous acquisition at 40.96 ms scale that is suitable for meteor observations. Methods. We designed two dedicated and complementary trigger methods, together with an analysis pipeline able to estimate the main physical parameters of the observed population of meteors, such as the duration, horizontal speed, azimuth, and absolute magnitude. To compute the absolute flux of meteors from Mini-EUSO observations, we implemented a simulation framework able to estimate the detection efficiency as a function of the meteor magnitude and the background illumination conditions. Results. The instrument detected 24 thousand meteors within the first 40 data-taking sessions from November 2019 to August 2021, for a total observation time of approximately 6 days with a limiting absolute magnitude of +6. Our estimation of the absolute flux density of meteoroids in the range of mass between 10−5 kg to 10−1 kg was found to be comparable to other results available in the literature. Conclusions. The results of this work prove the potential for space-based observations to increase the statistics of meteor observations achievable with instruments operating on the ground. The slope of the mass distribution of meteoroids sampled with Mini-EUSO suggests a mass index of either s = 2.09 ± 0.02 or s = 2.31 ± 0.03, according to two different methodologies for the computation of the pre-atmospheric mass starting from the luminosity of each event. [ABSTRACT FROM AUTHOR]
Published: 2024
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37. A Review of the EUSO-Balloon Pathfinder for the JEM-EUSO Program

Author: Adams, Jr., J. H., Ahmad, S., Allard, D., Anzalone, A., Bacholle, S., Barrillon, P., Bayer, J., Bertaina, M., Bisconti, F., Blaksley, C., Blin-Bondil, S., Bobík, P., Cafagna, F., Campana, D., Capel, F., Casolino, M., Cassardo, C., Catalano, C., Cremonini, R., Dagoret-Campagne, S., Danto, P., del Peral, L., de la Taille, C., Díaz Damian, A., Dupieux, M., Ebersoldt, A., Ebisuzaki, T., Eser, J., Evrard, J., Fenu, F., Ferrarese, S., Fornaro, C., Fouka, M., Gorodetzky, P., Guarino, F., Guzman, A., Hachisu, Y., Haungs, A., Judd, E., Jung, A., Karczmarczyk, J., Kawasaki, Y., Klimov, P. A., Kuznetsov, E., Mackovjak, S., Manfrin, M., Marcelli, L., Medina-Tanco, G., Mercier, K., Merino, A., Mernik, T., Miyamoto, H., Morales de los Ríos, J. A., Moretto, C., Mot, B., Neronov, A., Ohmori, H., Olinto, A. V., Osteria, G., Panico, B., Parizot, E., Paul, T., Picozza, P., Piotrowski, L. W., Plebaniak, Z., Pliego, S., Prat, P., Prévôt, G., Prieto, H., Putis, M., Rabanal, J., Ricci, M., Rojas, J., Rodríguez Frías, M. D., Roudil, G., Sáez Cano, G., Sahnoun, Z., Sakaki, N., Sanchez, J. C., Santangelo, A., Sarazin, F., Scotti, V., Shinozaki, K., Silva, H., Soriano, J. F., Suino, G., Szabelski, J., Toscano, S., Tabone, I., Takizawa, Y., von Ballmoos, P., Wiencke, L., Wille, M., and Zotov, M.
Published: 2022
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38. Developments and results in the context of the JEM-EUSO program obtained with the ESAF simulation and analysis framework

Author: Abe, S., primary, Adams, J. H., additional, Allard, D., additional, Alldredge, P., additional, Anchordoqui, L., additional, Anzalone, A., additional, Arnone, E., additional, Baret, B., additional, Barghini, D., additional, Battisti, M., additional, Bayer, J., additional, Bellotti, R., additional, Belov, A. A., additional, Bertaina, M., additional, Bertone, P. F., additional, Bianciotto, M., additional, Biermann, P. L., additional, Bisconti, F., additional, Blaksley, C., additional, Blin-Bondil, S., additional, Bobik, P., additional, Bolmgren, K., additional, Briz, S., additional, Burton, J., additional, Cafagna, F., additional, Cambié, G., additional, Campana, D., additional, Capel, F., additional, Caruso, R., additional, Casolino, M., additional, Cassardo, C., additional, Castellina, A., additional, Černý, K., additional, Christl, M. J., additional, Colalillo, R., additional, Conti, L., additional, Cotto, G., additional, Crawford, H. J., additional, Cremonini, R., additional, Creusot, A., additional, Cummings, A., additional, de Castro Gónzalez, A., additional, de la Taille, C., additional, del Peral, L., additional, Diesing, R., additional, Dinaucourt, P., additional, Di Nola, A., additional, Ebersoldt, A., additional, Ebisuzaki, T., additional, Eser, J., additional, Fenu, F., additional, Ferrarese, S., additional, Filippatos, G., additional, Finch, W. W., additional, Flaminio, F., additional, Fornaro, C., additional, Fuehne, D., additional, Fuglesang, C., additional, Fukushima, M., additional, Gardiol, D., additional, Garipov, G. K., additional, Golzio, A., additional, Gorodetzky, P., additional, Guarino, F., additional, Guépin, C., additional, Guzmán, A., additional, Haungs, A., additional, Heibges, T., additional, Hernández-Carretero, J., additional, Isgrò, F., additional, Judd, E. G., additional, Kajino, F., additional, Kaneko, I., additional, Kawasaki, Y., additional, Kleifges, M., additional, Klimov, P. A., additional, Kreykenbohm, I., additional, Krizmanic, J. F., additional, Kungel, V., additional, Kuznetsov, E., additional, López Martínez, F., additional, Mackovjak, S., additional, Mandát, D., additional, Manfrin, M., additional, Marcelli, A., additional, Marcelli, L., additional, Marszał, W., additional, Matthews, J. N., additional, Menshikov, A., additional, Mernik, T., additional, Mese, M., additional, Meyer, S. S., additional, Mimouni, J., additional, Miyamoto, H., additional, Mizumoto, Y., additional, Monaco, A., additional, Morales de los Ríos, J.A, additional, Nagataki, S., additional, Nachtman, J. M., additional, Naumov, D., additional, Neronov, A., additional, Nonaka, T., additional, Ogawa, T., additional, Ogio, S., additional, Ohmori, H., additional, Olinto, A. V., additional, Onel, Y., additional, Osteria, G., additional, Pagliaro, A., additional, Panico, B., additional, Parizot, E., additional, Park, I. H., additional, Pastircak, B., additional, Paul, T., additional, Pech, M., additional, Perfetto, F., additional, Picozza, P., additional, Piotrowski, L. W., additional, Plebaniak, Z., additional, Posligua, J., additional, Prevete, R., additional, Prévôt, G., additional, Prieto, H., additional, Przybylak, M., additional, Putis, M., additional, Reali, E., additional, Reardon, P., additional, Reno, M. H., additional, Ricci, M., additional, Rodríguez Frías, M., additional, Romoli, G., additional, Sáez Cano, G., additional, Sagawa, H., additional, Sakaki, N., additional, Santangelo, A., additional, Saprykin, O. A., additional, Sarazin, F., additional, Sato, M., additional, Schieler, H., additional, Schovánek, P., additional, Scotti, V., additional, Selmane, S., additional, Sharakin, S. A., additional, Shinozaki, K., additional, Soriano, J. F., additional, Szabelski, J., additional, Tajima, N., additional, Tajima, T., additional, Takahashi, Y., additional, Takeda, M., additional, Takizawa, Y., additional, Tenzer, C., additional, Thomas, S. B., additional, Tkachev, L. G., additional, Tomida, T., additional, Toscano, S., additional, Traïche, M., additional, Trofimov, D., additional, Tsuno, K., additional, Vallania, P., additional, Valore, L., additional, Venters, T. M., additional, Vigorito, C., additional, von Ballmoos, P., additional, Vrabel, M., additional, Wada, S., additional, Watts, J., additional, Weindl, A., additional, Wiencke, L., additional, Wilms, J., additional, Winn, D., additional, Wistrand, H., additional, Yashin, I. V., additional, Young, R., additional, and Zotov, M. Yu., additional
Published: 2023
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39. An evaluation of the exposure in nadir observation of the JEM-EUSO mission

Author: Adams, J. H., Ahmad, S., Albert, J. -N., Allard, D., Ambrosio, M., Anchordoqui, L., Anzalone, A., Arai, Y., Aramo, C., Asano, K., Ave, M., Barrillon, P., Batsch, T., Bayer, J., Belenguer, T., Bellotti, R., Berlind, A. A., Bertaina, M., Biermann, P. L., Biktemerova, S., Blaksley, C., Blecki, J., Blin-Bondil, S., Bluemer, J., Bobik, P., Bogomilov, M., Bonamente, M., Briggs, M. S., Briz, S., Bruno, A., Cafagna, F., Campana, D., Capdevielle, J-N., Caruso, R., Casolino, M., Cassardo, C., Castellini, G., Catalano, O., Cellino, A., Chikawa, M., Christl, M. J., Connaughton, V., Cortes, J. F., Crawford, H. J., Cremonini, R., Csorna, S., D'Olivo, J. C., Dagoret-Campagne, S., de Castro, A. J., De Donato, C., de la Taille, C., del Peral, L., Dell'Oro, A., De Pascale, M. P., Di Martino, M., Distratis, G., Dupieux, M., Ebersoldt, A., Ebisuzaki, T., Engel, R., Falk, S., Fang, K., Fenu, F., Fernandez-Gomez, I., Ferrarese, S., Franceschi, A., Fujimoto, J., Galeotti, P., Garipov, G., Geary, J., Giaccari, U. G., Giraudo, G., Gonchar, M., Alvarado, C. Gonzalez, Gorodetzky, P., Guarino, F., Guzman, A., Hachisu, Y., Harlov, B., Haungs, A., Carretero, J. Hernandez, Higashide, K., Iguchi, T., Ikeda, H., Inoue, N., Inoue, S., Insolia, A., Isgrio, F., Itow, Y., Joven, E., Judd, E. G., Jung, A., Kajino, F., Kajino, T., Kaneko, I., Karadzhov, Y., Karczmarczyk, J., Katahira, K., Kawai, K., Kawasaki, Y., Keilhauer, B., Khrenov, B. A., Kim, Jeong-Sook, Kim, Soon-Wook, Kim, Sug-Whan, Kleifges, M., Klimov, P. A., Ko, S. H., Kolev, D., Kreykenbohm, I., Kudela, K., Kurihara, Y., Kuznetsov, E., La Rosa, G., Lee, J., Licandro, J., Lim, H., Lopez, F., Maccarone, M. C., Mannheim, K., Marcelli, L., Marini, A., Martin-Chassard, G., Martinez, O., Masciantonio, G., Mase, K., Matev, R., Maurissen, A., Medina-Tanco, G., Mernik, T., Miyamoto, H., Miyazaki, Y., Mizumoto, Y., Modestino, G., Monnier-Ragaigne, D., Rios, J. A. Morales de los, Mot, B., Murakami, T., Nagano, M., Nagata, M., Nagataki, S., Nakamura, T., Nam, J. W., Nam, S., Nam, K., Napolitano, T., Naumov, D., Neronov, A., Nomoto, K., Ogawa, T., Ohmori, H., Olinto, A. V., Orleanski, P., Osteria, G., Pacheco, N., Panasyuk, M. I., Parizot, E., Park, I. H., Pastircak, B., Patzak, T., Paul, T., Pennypacker, C., Peter, T., Picozza, P., Pollini, A., Prieto, H., Reardon, P., Reina, M., Reyes, M., Ricci, M., Rodriguez, I., Frias, M. D. Rodriguez, Ronga, F., Rothkaehl, H., Roudil, G., Rusinov, I., Rybczynski, M., Sabau, M. D., Cano, G. Saez, Saito, A., Sakaki, N., Sakata, M., Salazar, H., Sanchez, S., Santangelo, A., Cruz, L. Santiago, Palomino, M. Sanz, Saprykin, O., Sarazin, F., Sato, H., Sato, M., Schanz, T., Schieler, H., Scotti, V., Scuderi, M., Segreto, A., Selmane, S., Semikoz, D., Serra, M., Sharakin, S., Shibata, T., Shimizu, H. M., Shinozaki, K., Shirahama, T., Siemieniec-Ozieb, G., Lopez, H. H. Silva, Sledd, J., Slominska, K., Sobey, A., Sugiyama, T., Supanitsky, D., Suzuki, M., Szabelska, B., Szabelski, J., Tajima, F., Tajima, N., Tajima, T., Takahashi, Y., Takami, H., Takeda, M., Takizawa, Y., Tenzer, C., Tibolla, O., Tkachev, L., Tomida, T., Tone, N., Trillaud, F., Tsenov, R., Tsuno, K., Tymieniecka, T., Uchihori, Y., Vaduvescu, O., Valdes-Galicia, J. F., Vallania, P., Valore, L., Vankova, G., Vigorito, C., Villasenor, L., von Ballmoos, P., Wada, S., Watanabe, J., Watanabe, S., Watts, J., Weber, M., Weiler, T. J., Wibig, T., Wiencke, L., Wille, M., Wilms, J., Wlodarczyk, Z., Yamamoto, T., Yamamoto, Y., Yang, J., Yano, H., Yashin, I. V., Yonetoku, D., Yoshida, K., Yoshida, S., Young, R., Zamora, A., and Marchi, A. Zuccaro
Subjects: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: We evaluate the exposure during nadir observations with JEM-EUSO, the Extreme Universe Space Observatory, on-board the Japanese Experiment Module of the International Space Station. Designed as a mission to explore the extreme energy Universe from space, JEM-EUSO will monitor the Earth's nighttime atmosphere to record the ultraviolet light from tracks generated by extensive air showers initiated by ultra-high energy cosmic rays. In the present work, we discuss the particularities of space-based observation and we compute the annual exposure in nadir observation. The results are based on studies of the expected trigger aperture and observational duty cycle, as well as, on the investigations of the effects of clouds and different types of background light. We show that the annual exposure is about one order of magnitude higher than those of the presently operating ground-based observatories., Comment: published in Astroparticle Physics by the JEM-EUSO Collaboration
Published: 2013
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40. Ultra-violet imaging of the night-time earth by EUSO-Balloon towards space-based ultra-high energy cosmic ray observations

Author: Abdellaoui, G., Abe, S., Adams, J.H., Jr., Ahriche, A., Allard, D., Allen, L., Alonso, G., Anchordoqui, L., Anzalone, A., Arai, Y., Asano, K., Attallah, R., Attoui, H., Ave Pernas, M., Bacholle, S., Bakiri, M., Baragatti, P., Barrillon, P., Bartocci, S., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A., Belov, K., Benmessai, K., Bertaina, M., Biermann, P.L., Biktemerova, S., Bisconti, F., Blanc, N., Błȩcki, J., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bozzo, E., Briz, S., Bruno, A., Caballero, K.S., Cafagna, F., Campana, D., Capdevielle, J-N., Capel, F., Caramete, A., Caramete, L., Carlson, P., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, C., Catalano, O., Cellino, A., Chikawa, M., Chiritoi, G., Christl, M.J., Connaughton, V., Conti, L., Cordero, G., Cotto, G., Crawford, H.J., Cremonini, R., Csorna, S., Cummings, A., Dagoret-Campagne, S., de Castro, A.J., De Donato, C., de la Taille, C., De Santis, C., del Peral, L., Di Martino, M., Diaz Damian, A., Djemil, T., Dutan, I., Ebersoldt, A., Ebisuzaki, T., Engel, R., Eser, J., Fenu, F., Fernández-González, S., Ferrarese, S., Flamini, M., Fornaro, C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fujimoto, J., Fukushima, M., Galeotti, P., García-Ortega, E., Garipov, G., Gascón, E., Genci, J., Giraudo, G., González Alvarado, C., Gorodetzky, P., Greg, R., Guarino, F., Guzmán, A., Hachisu, Y., Haiduc, M., Harlov, B., Haungs, A., Hernández Carretero, J., Hidber Cruz, W., Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Joven, E., Judd, E.G., Jung, A., Jochum, J., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Karadzhov, Y., Karczmarczyk, J., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B.A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P.A., Kolev, D., Krantz, H., Kreykenbohm, I., Krizmanic, J.F., Kudela, K., Kurihara, Y., Kusenko, A., Kuznetsov, E., La Barbera, A., Lachaud, C., Lahmar, H., Lakhdari, F., Larsson, O., Lee, J., Licandro, J., López Campano, L., López, F., Maccarone, M.C., Mackovjak, S., Mahdi, M., Maravilla, D., Marcelli, L., Marcos, J.L., Marini, A., Marszał, W., Martens, K., Martín, Y., Martinez, O., Martucci, M., Masciantonio, G., Mase, K., Mastafa, M., Matev, R., Matthews, J.N., Mebarki, N., Medina-Tanco, G., Mendoza, M.A., Menshikov, A., Merino, A., Meseguer, J., Meyer, S.S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Morales de los Ríos, J.A., Moretto, C., Nagataki, S., Naitamor, S., Napolitano, T., Nava, R., Neronov, A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A.V., Orleański, P., Osteria, G., Pagliaro, A., Painter, W., Panasyuk, M.I., Panico, B., Parizot, E., Park, I.H., Pastircak, B., Patzak, T., Paul, T., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L.W., Piraino, S., Placidi, L., Plebaniak, Z., Pliego, S., Pollini, A., Polonsky, Z., Popescu, E.M., Prat, P., Prévôt, G., Prieto, H., Puehlhofer, G., Putis, M., Rabanal, J., Radu, A.A., Reyes, M., Rezazadeh, M., Ricci, M., Rodríguez Frías, M.D., Ronga, F., Roudil, G., Rusinov, I., Rybczyński, M., Sabau, M.D., Sáez Cano, G., Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Sanchez Balanzar, J.C., Sánchez, J.L., Santangelo, A., Sanz-Andrés, A., Sanz Palomino, M., Saprykin, O., Sarazin, F., Sato, M., Schanz, T., Schieler, H., Scotti, V., Selmane, S., Semikoz, D., Serra, M., Sharakin, S., Shimizu, H.M., Shinozaki, K., Shirahama, T., Spataro, B., Stan, I., Sugiyama, T., Supanitsky, D., Suzuki, M., Szabelska, B., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takami, H., Takeda, M., Takizawa, Y., Talai, M.C., Tenzer, C., Thomas, S.B., Tibolla, O., Tkachev, L., Tokuno, H., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsenov, R., Tsunesada, Y., Tsuno, K., Tubbs, J., Turriziani, S., Uchihori, Y., Vaduvescu, O., Valdés-Galicia, J.F., Vallania, P., Vankova, G., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts, J., Jr., Weber, M., Weigand Muñoz, R., Weindl, A., Wiencke, L., Wille, M., Wilms, J., Włodarczyk, Z., Yamamoto, T., Yang, J., Yano, H., Yashin, I.V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I.S., Zotov, M.Yu., and Zuccaro Marchi, A.
Published: 2019
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41. Secondary cameras onboard the Mini-EUSO experiment: Control software and calibration

Author: Turriziani, S., Ekelund, J., Tsuno, K., Casolino, M., and Ebisuzaki, T.
Published: 2019
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42. The JEM-EUSO Mission: Status and Prospects in 2011

Author: Collaboration, The JEM-EUSO, Adams Jr, J. H., Ahmad, S., Albert, J. -N., Allard, D., Ambrosio, M., Anchordoqui, L., Anzalone, A., Arai, Y., Aramo, C., Asano, K., Barrillon, P., Batsch, T., Bayer, J., Belenguer, T., Bellotti, R., Berlind, A. A., Bertaina, M., Biermann, P. L., Biktemerova, S., Blaksley, C., Blecki, J., Blin-Bondil, S., Bluemer, J., Bobik, P., Bogomilov, M., Bonamente, M., Briggs, M. S., Briz, S., Bruno, A., Cafagna, F., Campana, D., Capdevielle, J-N., Caruso, R., Casolino, M., Cassardo, C., Castellini, G., Catalano, O., Cellino, A., Chikawa, M., Christl, M. J., Connaughton, V., Cortes, J. F., Crawford, H. J., Cremonini, R., Csorna, S., D'Olivo, J. C., Dagoret-Campagne, S., de Castro, A. J., De Donato, C., de la Taille, C., De Pascale, M. P., del Peral, L., Dell'Oro, A., Di Martino, M., Distrati, G., Dupieux, M., Ebersoldt, A., Ebisuzaki, T., Engel, R., Falk, S., Fang, K., Fenu, F., Ferrarese, S., Fernandez-Gomez, I., Franceschi, A., Fujimoto, J., Galeotti, P., Garipov, G., Geary, J., Giaccari, U. G., Giraudo, G., Gonchar, M., Alvarado, C. Gonzalez, Gorodetzky, P., Guarino, F., Guzman, A., Hachisu, Y., Harlov, B., Haungs, A., Carretero, J. Hernandez, Higashide, K., Iguchi, T., Ikeda, H., Inoue, N., Inoue, S., Insolia, A., Isgro, F., Itow, Y., Joven, E., Judd, E. G., Jung, A., Kajino, F., Kajino, T., Kaneko, I., Karadzhov, Y., Karczmarczyk, J., Katahira, K., Kawai, K., Kawasaki, Y., Keilhauer, B., Khrenov, B. A., Kim, Jeong-Sook, Kim, Soon-Wook, Kim, Sug-Whan, Kleifges, M., Klimov, P. A., Ko, S. H., Kolev, D., Kreykenbohm, I., Kudela, K., Kurihara, Y., Kuznetsov, E., La Rosa, G., Lee, J., Licandro, J., Lim, H., Lopez, F., Maccarone, M. C., Marcelli, L., Marini, A., Martin-Chassard, G., Martinez, O., Masciantonio, G., Mase, K., Matev, R., Maurissen, A., Medina-Tanco, G., Mernik, T., Miyamoto, H., Miyazaki, Y., Mizumoto, Y., Modestino, G., Monnier-Ragaigne, D., Rıos, J. A. Morales de los, Mot, B., Murakami, T., Nagano, M., Nagata, M., Nagataki, S., Nam, J. W., Nam, S., Nam, K., Napolitano, T., Naumov, D., Neronov, A., Nomoto, K., Ogawa, T., Ohmori, H., Olinto, A. V., Orleanski, P., Osteria, G., Pacheco, N., Panasyuk, M. I., Parizot, E., Park, I. H., Pastircak, B., Patzak, T., Paul, T., Pennypacker, C., Peter, T., Picozza, P., Pollini, A., Prieto, H., Reardon, P., Reina, M., Reyes, M., Ricci, M., Rodrıguez, I., Frıas, M. D. Rodrıguez, Ronga, F., Rothkaehl, H., Roudil, G., Rusinov, I., Rybczynski, M., Sabau, M. D., Cano, G. Saez, Saito, A., Sakaki, N., Sakata, M., Salazar, H., Sanchez, S., Santangelo, A., Cruz, L. Santiago, Palomino, M. Sanz, Saprykin, O., Sarazin, F., Sato, H., Sato, M., Schanz, T., Schieler, H., Scotti, V., Scuderi, M., Segreto, A., Selmane, S., Semikoz, D., Serra, M., Sharakin, S., Shibata, T., Shimizu, H. M., Shinozaki, K., Shirahama, T., Siemieniec-Ozieblo, G., Lopez, H. H. Silva, Sledd, J., Slominska, K., Sobey, A., Sugiyama, T., Supanitsky, D., Suzuki, M., Szabelska, B., Szabelski, J., Tajima, F., Tajima, N., Tajima, T., Takami, H., Nakamura, T., Takeda, M., Takahashi, Y., Takizawa, Y., Tenzer, C., Tkachev, L., Tomida, T., Tone, N., Trillaud, F., Tsenov, R., Tsuno, K., Tymieniecka, T., Uchihori, Y., Vaduvescu, O., Valdes-Galicia, J. F., Vallania, P., Valore, L., Vankova, G., Vigorito, C., Villasenor, L., von Ballmoos, P., Wada, S., Watanabe, J., Watanabe, S., Watts Jr, J., Weber, M., Weiler, T. J., Wibig, T., Wiencke, L., Wille, M., Wilms, J., Wlodarczyk, Z., Yamamoto, T., Yamamoto, Y., Yang, J., Yano, H., Yashin, I. V., Yonetoku, D., Yoshida, K., Yoshida, S., Young, R., Zamora, A., and Marchi, A. Zuccaro
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract: Contributions of the JEM-EUSO Collaboration to the 32nd International Cosmic Ray Conference, Beijing, August, 2011., Comment: 33 contributions plus index
Published: 2012

43. Summary Report of JEM-EUSO Workshop at KICP in Chicago

Author: Adams Jr, J. H., Anchordoqui, L. A., Bertaina, M., Christl, M. J., Connaughton, V., Csorna, S. E., Ebisuzaki, T., Medina-Tanco, G., Olinto, A. V., Paul, T., Picozza, P., Santangelo, A., Shinozaki, K., Weiler, T. J., and Wiencke, L.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, Physics - Space Physics
Abstract: This document contains a summary of the workshop which took place on 22 - 24 February 2012 at the Kavli Institute of Cosmological Physics in the University of Chicago. The goal of the workshop was to discuss the physics reach of the JEM-EUSO mission and how best to implement a global ground based calibration system for the instrument to realize the physics goal of unveiling the origin of the highest energy cosmic rays., Comment: 21 pages, 13 figures (v2: 1 figure and a couple of numbers updated)
Published: 2012

44. JEM-EUSO Science Objectives

Author: Medina-Tanco, Gustavo, Asano, K., Cline, D., Ebisuzaki, T., Inoue, S., Lipari, P., Parizot, E., Santangelo, A., Sigl, G., Takahashi, Y., Takami, H., Teshima, M., and Weiler, T. J.
Subjects: Astrophysics - High Energy Astrophysical Phenomena
Abstract: JEM-EUSO, on board of the Japanese Exploration Module of the International Space Station, is being proposed as the first space observatory devoted to UHECR. Its privileged position at 430 km above the Earth surface, combined with a large field of view, innovative optics and a high efficiency focal surface, results in an unprecedented exposure which significantly surpasses that of the largest ground observatories. The large number of events expected above the GZK threshold for photo-pion production by protons will allow the directional identification of individual sources and the determination of their spectra, i.e., doing astronomy and astrophysics through the particle channel. Similar goals can be achieved in the case of light UHECR nuclei. Furthermore, the atmospheric target volume ($\sim 10^{12}$ ton) makes the possibility of neutrino observation a highlight of the mission. Other exploratory objectives include the detection of extreme energy gammas and the study of Galactic magnetic fields as well as global observations of the earth's atmosphere, including clouds, night-glows, plasma discharges, and meteors. In this contribution we will describe the scientific objectives of JEM-EUSO., Comment: Proc. of the 31st Intl. Cosmic Ray Conference, Lodz, Poland, 2009
Published: 2009

45. Hadron-gamma discrimination from an orbital UHECR observatory

Author: Supanitsky, A. D., Medina-Tanco, G., Asano, K., Cline, D., Ebisuzaki, T., Inoue, S., Lipari, P., Sakaki, N., Santangelo, A., Shinozaki, K., Sigl, G., Takahashi, Y., and Teshima, M.
Subjects: Astrophysics - High Energy Astrophysical Phenomena
Abstract: The identification of very high energy photons is of great importance for the understanding of the origin of extreme energy cosmic rays (EECR). Several can be the sources of high energy photons at Earth. A guaranteed component is the flux of high energy photons expected as a consequence of the interaction of cosmic rays with the cosmic photon background. Another contribution may be expected as by-product at the acceleration sites of protons and nuclei, although such flux should be strongly suppressed for distant sources. On the other hand, top-down scenarios involving the decay of super heavy relic particles or topological defects, even if not currently favored, have as a characteristic signature an increasingly dominant flux of photons at the highest energies. In this work we study the statistical separation between hadron and photon showers at energies where both, LPM effect and magnetospheric interactions are important for the development of the cascades. We consider a detector with the same orbital characteristics as JEM-EUSO, but disregard trigger and reconstruction efficiencies, in order to define the maximum ideal discrimination power attainable., Comment: Proceedings of the 31st ICRC, Lodz, Poland, July 2009
Published: 2009

46. Development of neutrino initiated cascades at mid and high altitudes in the atmosphere

Author: Supanitsky, A. D., Medina-Tanco, G., Asano, K., Cline, D., Ebisuzaki, T., Inoue, S., Lipari, P., Santangelo, A., Shinozaki, K., Sigl, G., Takahashi, Y., and Teshima, M.
Subjects: Astrophysics - High Energy Astrophysical Phenomena
Abstract: Neutrinos are a very promising messenger at tens of EeV and above. They can be produced by several channels, namely as by products of hadronic interactions at the sources, as the main products of the decay of super massive particles and, in a guaranteed way, as the result of the propagation of UHECR through the bath of microwave relic photons. A new era of very large exposure space observatories, of which the JEM-EUSO mission is a prime example, is on the horizon and, with it, it is even larger the possibility of astrophysical neutrino detection at the highest energies. In the present work we use a combination of the PYTHIA interaction code with the CONEX shower simulation package in order to produce fast one-dimensional simulations of neutrino initiated showers in air. We make a detail study of the structure of the corresponding longitudinal profiles, but focus our physical analysis mainly on the development of showers at mid and high altitudes, where they can be an interesting target for space fluorescence observatories., Comment: Proceedings of the 31st ICRC, Lodz, Poland, July 2009
Published: 2009

47. EUSO-TA – First results from a ground-based EUSO telescope

Author: Abdellaoui, G., Abe, S., Adams, J.H., Jr., Ahriche, A., Allard, D., Allen, L., Alonso, G., Anchordoqui, L., Anzalone, A., Arai, Y., Asano, K., Attallah, R., Attoui, H., Ave Pernas, M., Bacholle, S., Bakiri, M., Baragatti, P., Barrillon, P., Bartocci, S., Bayer, J., Beldjilali, B., Belenguer, T., Belkhalfa, N., Bellotti, R., Belov, A., Belov, K., Belz, J.W., Benmessai, K., Bertaina, M., Biermann, P.L., Biktemerova, S., Bisconti, F., Blanc, N., Blecki, J., Blin-Bondil, S., Bobik, P., Bogomilov, M., Bozzo, E., Bruno, A., Caballero, K.S., Cafagna, F., Campana, D., Capdevielle, J-N., Capel, F., Caramete, A., Caramete, L., Carlson, P., Caruso, R., Casolino, M., Cassardo, C., Castellina, A., Catalano, O., Cellino, A., Chikawa, M., Chiritoi, G., Christl, M.J., Connaughton, V., Conti, L., Cordero, G., Cotto, G., Crawford, H.J., Cremonini, R., Csorna, S., Cummings, A., Dagoret-Campagne, S., De Donato, C., de la Taille, C., De Santis, C., del Peral, L., Di Martino, M., Djemil, T., Dutan, I., Ebersoldt, A., Ebisuzaki, T., Engel, R., Eser, J., Fenu, F., Fernández-González, S., Fernández-Soriano, J., Ferrarese, S., Flamini, M., Fornaro, C., Fouka, M., Franceschi, A., Franchini, S., Fuglesang, C., Fujii, T., Fujimoto, J., Fukushima, M., Galeotti, P., García-Ortega, E., Garipov, G., Gascón, E., Genci, J., Giraudo, G., González Alvarado, C., Gorodetzky, P., Greg, R., Guarino, F., Guzmán, A., Hachisu, Y., Haiduc, M., Harlov, B., Haungs, A., Hernández Carretero, J., Hidber Cruz, W., Ikeda, D., Inoue, N., Inoue, S., Isgrò, F., Itow, Y., Jammer, T., Jeong, S., Joven, E., Judd, E.G., Jung, A., Jochum, J., Kajino, F., Kajino, T., Kalli, S., Kaneko, I., Karadzhov, Y., Karczmarczyk, J., Katahira, K., Kawai, K., Kawasaki, Y., Kedadra, A., Khales, H., Khrenov, B.A., Kim, Jeong-Sook, Kim, Soon-Wook, Kleifges, M., Klimov, P.A., Kolev, D., Krantz, H., Kreykenbohm, I., Kudela, K., Kurihara, Y., Kusenko, A., Kuznetsov, E., La Barbera, A., Lachaud, C., Lahmar, H., Lakhdari, F., Larsson, O., Lee, J., Licandro, J., López Campano, L., Maccarone, M.C., Mackovjak, S., Mahdi, M., Maravilla, D., Marcelli, L., Marcos, J.L., Marini, A., Marszal, W., Martens, K., Martín, Y., Martinez, O., Martucci, M., Masciantonio, G., Mase, K., Mustafa, M., Matev, R., Matthews, J.N., Mebarki, N., Medina-Tanco, G., Mendoza, M.A., Menshikov, A., Merino, A., Meseguer, J., Meyer, S.S., Mimouni, J., Miyamoto, H., Mizumoto, Y., Monaco, A., Morales de los Ríos, J.A., Nagataki, S., Naitamor, S., Napolitano, T., Nava, R., Neronov, A., Nomoto, K., Nonaka, T., Ogawa, T., Ogio, S., Ohmori, H., Olinto, A.V., Orleański, P., Osteria, G., Pagliaro, A., Painter, W., Panasyuk, M.I., Panico, B., Parizot, E., Park, I.H., Pastircak, B., Patzak, T., Paul, T., Pérez-Grande, I., Perfetto, F., Peter, T., Picozza, P., Pindado, S., Piotrowski, L.W., Piraino, S., Placidi, L., Plebaniak, Z., Pliego, S., Pollini, A., Polonski, Z., Popescu, E.M., Prat, P., Prévôt, G., Prieto, H., Puehlhofer, G., Putis, M., Rabanal, J., Radu, A.A., Reyes, M., Rezazadeh, M., Ricci, M., Rodríguez Frías, M.D., Ronga, F., Roudil, G., Rusinov, I., Rybczyński, M., Sabau, M.D., Sáez Cano, G., Sagawa, H., Sahnoune, Z., Saito, A., Sakaki, N., Salazar, H., Sanchez Balanzar, J.C., Sánchez, J.L., Santangelo, A., Sanz-Andrés, A., Sanz Palomino, M., Saprykin, O., Sarazin, F., Sato, M., Schanz, T., Schieler, H., Scotti, V., Selmane, S., Semikoz, D., Serra, M., Sharakin, S., Shimizu, H.M., Shin, H.S., Shinozaki, K., Shirahama, T., Sokolsky, P., Spataro, B., Stan, I., Sugiyama, T., Supanitsky, D., Suzuki, M., Szabelska, B., Szabelski, J., Tajima, N., Tajima, T., Takahashi, Y., Takami, H., Takeda, M., Takizawa, Y., Talai, M.C., Tameda, Y., Tenzer, C., Thomas, S.B., Thomson, G.B., Tibolla, O., Tkachev, L., Tokuno, H., Tomida, T., Tone, N., Toscano, S., Traïche, M., Tsenov, R., Tsunesada, Y., Tsuno, K., Tubbs, J., Turriziani, S., Uchihori, Y., Vaduvescu, O., Valdés-Galicia, J.F., Vallania, P., Vankova, G., Vigorito, C., Villaseñor, L., Vlcek, B., von Ballmoos, P., Vrabel, M., Wada, S., Watanabe, J., Watts, J., Jr., Weber, M., Weigand Muñoz, R., Weindl, A., Wiencke, L., Wille, M., Wilms, J., Włodarczyk, Z., Yamamoto, T., Yang, J., Yano, H., Yashin, I.V., Yonetoku, D., Yoshida, S., Young, R., Zgura, I.S., Zotov, M.Yu., and Zuccaro Marchi, A.
Published: 2018
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48. Relationships between magnetic foot points and G-band bright structures

Author: Ishikawa, R., Tsuneta, S., Kitakoshi, Y., Katsukawa, Y., Bonet, J. A., Domínguez, S. Vargas, van der Voort, L. H. M. Rouppe, Sakamoto, Y., and Ebisuzaki, T.
Subjects: Astrophysics
Abstract: Magnetic elements are thought to be described by flux tube models, and are well reproduced by MHD simulations. However, these simulations are only partially constrained by observations. We observationally investigate the relationship between G-band bright points and magnetic structures to clarify conditions, which make magnetic structures bright in G-band. The G-band filtergrams together with magnetograms and dopplergrams were taken for a plage region covered by abnormal granules as well as ubiquitous G-band bright points, using the Swedish 1-m Solar Telescope (SST) under very good seeing conditions. High magnetic flux density regions are not necessarily associated with G-band bright points. We refer to the observed extended areas with high magnetic flux density as magnetic islands to separate them from magnetic elements. We discover that G-band bright points tend to be located near the boundary of such magnetic islands. The concentration of G-band bright points decreases with inward distance from the boundary of the magnetic islands. Moreover, G-band bright points are preferentially located where magnetic flux density is higher, given the same distance from the boundary. There are some bright points located far inside the magnetic islands. Such bright points have higher minimum magnetic flux density at the larger inward distance from the boundary. Convective velocity is apparently reduced for such high magnetic flux density regions regardless of whether they are populated by G-band bright points or not. The magnetic islands are surrounded by downflows.These results suggest that high magnetic flux density, as well as efficient heat transport from the sides or beneath, are required to make magnetic elements bright in G-band., Comment: 9 pages, 14 figures, accepted for publication in A&A
Published: 2008
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49. Hands-On Universe: A Global Program for Education and Public Outreach in Astronomy

Author: Boer, M., Pack, H., Pennypacker, C., Melchior, A. L., Faye, S., and Ebisuzaki, T.
Subjects: Astrophysics
Abstract: Hands-On Universe (HOU) is an educational program that enables students to investigate the Universe while applying tools and concepts from science, math, and technology. Using the Internet, HOU participants around the world request observations from an automated telescope, download images from a large image archive, and analyze them with the aid of user-friendly image processing software. This program is developing now in many countries, including the USA, France, Germany, Sweden, Japan, Australia, and others. A network of telescopes has been established among these countries, many of them remotely operated, as shown in the accompanying demo. Using this feature, students in the classroom are able to make night observations during the day, using a telescope placed in another country. An archive of images taken on large telescopes is also accessible, as well as resources for teachers. Students are also dealing with real research projects, e.g. the search for asteroids, which resulted in the discovery of a Kuiper Belt object by high-school students. Not only Hands-On Universe gives the general public an access to professional astronomy, but it is also a more general tool to demonstrate the use of a complex automated system, the techniques of data processing and automation. Last but not least, through the use of telescopes located in many countries over the globe, a form of powerful and genuine cooperation between teachers and children from various countries is promoted, with a clear educational goal., Comment: 4 pages, 1 figure, to appear in the proceedings of the ADASS X conference, Boston, October 2000, ASP conf. proc
Published: 2001

50. Hands-On TAROT: Intercontinental use of the TAROT for Education and Public Outreach

Author: Boer, M., Thiebaut, C., Klotz, A., Buchholtz, G., Melchior, A. L., Pennypacker, C., and Ebisuzaki, T.
Subjects: Astrophysics
Abstract: The TAROT telescope has for primary goal the search for the prompt optical counterpart of Cosmic Gamma-Ray Bursts. It is a completely autonomous 25cm telescope installed near Nice (France), able to point any location of the sky within 1-2 seconds. The control, scheduling, and data processing activities are completely automated, so the instrument is completely autonomous. In addition to its un-manned modes, we added recently the possibility to remotely control the telescope, as a request of the "Hands-On Universe" (HOU) program for exchange of time within automatic telescopes for the education and public outreach. To this purpose we developed a simple control interface. A webcam was installed to visualize the telescope. Access to the data is possible through a web interface. The images can be processed by the HOU software, a program specially suited for use within the classroom. We experienced these feature during the open days of the University of California Berkeley and the Astronomy Festival of Fleurance (France). We plan a regular use for an astronomy course of the Museum of Tokyo, as well as for French schools. Not only does Hands-On TAROT gives the general public an access to professional astronomy, but it is also a more general tool to demonstrate the use of a complex automated system, the techniques of data processing and automation. Last but not least, through the use of telescopes located in many countries over the globe, a form of powerful and genuine cooperation between teachers and children from various countries is promoted, with a clear educational goal., Comment: 4 pages, Based on a demonstration presented at the ADASS X Conference, Boston, MA, USA, October 2000, to appear in ASP Conf. Series
Published: 2001

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