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17 results on '"Menardi, S."'

1. An overview of the mid-infrared spectro-interferometer MATISSE: science, concept, and current status

Author

Matter, A., Lopez, B., Antonelli, P., Lehmitz, M., Bettonvil, F., Beckmann, U., Lagarde, S., Jaffe, W., Petrov, R. G., Berio, P., Millour, F., Robbe-Dubois, S., Glindemann, A., Bristow, P., Schoeller, M., Lanz, T., Henning, T., Weigelt, G., Heininger, M., Morel, S., Cruzalebes, P., Meisenheimer, K., Hofferbert, R., Wolf, S., Bresson, Y., Agocs, T., Allouche, F., Augereau, J. -C., Avila, G., Bailet, C., Behrend, J., Van Belle, G., Berger, J. -P., van Boekel, R., Bourget, P., Brast, R., Clausse, J. -M., Connot, C., Conzelmann, R., Csepany, G., Danchi, W. C., Delbo, M., Dominik, C., van Duin, A., Elswijk, E., Fantei, Y., Finger, G., Gabasch, A., Gonté, F., Graser, U., Guitton, F., Guniat, S., De Haan, M., Haguenauer, P., Hanenburg, H., Hofmann, K. -H., Hogerheijde, M., ter Horst, R., Hron, J., Hummel, C., Isderda, J., Ives, D., Jakob, G., Jasko, A., Jolley, P., Kiraly, S., Kragt, J., Kroener, T., Kroes, G., Kuindersma, S., Labadie, L., Laun, W., Leinert, C., Lizon, J. -L., Lucuix, C., Marcotto, A., Martinache, F., Martinot-Lagarde, G., Mauclert, N., Mehrgan, L., Meilland, A., Mellein, M., Menardi, S., Merand, A., Neumann, U., Nussbaum, E., Ottogalli, S., Palsa, R., Panduro, J., Pantin, E., Percheron, I., Duc, T. Phan, Pott, J. -U., Pozna, E., Roelfsema, R., Rupprecht, G., Schertl, D., Schmidt, C., Schuil, M., Spang, A., stegmeier, J., Tromp, N., Vakili, F., Vannier, M., Wagner, K., Venema, L., and Woillez, J. more...

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

MATISSE is the second-generation mid-infrared spectrograph and imager for the Very Large Telescope Interferometer (VLTI) at Paranal. This new interferometric instrument will allow significant advances by opening new avenues in various fundamental research fields: studying the planet-forming region of disks around young stellar objects, understanding the surface structures and mass loss phenomena affecting evolved stars, and probing the environments of black holes in active galactic nuclei. As a first breakthrough, MATISSE will enlarge the spectral domain of current optical interferometers by offering the L and M bands in addition to the N band. This will open a wide wavelength domain, ranging from 2.8 to 13 um, exploring angular scales as small as 3 mas (L band) / 10 mas (N band). As a second breakthrough, MATISSE will allow mid-infrared imaging - closure-phase aperture-synthesis imaging - with up to four Unit Telescopes (UT) or Auxiliary Telescopes (AT) of the VLTI. Moreover, MATISSE will offer a spectral resolution range from R ~ 30 to R ~ 5000. Here, we present one of the main science objectives, the study of protoplanetary disks, that has driven the instrument design and motivated several VLTI upgrades (GRA4MAT and NAOMI). We introduce the physical concept of MATISSE including a description of the signal on the detectors and an evaluation of the expected performances. We also discuss the current status of the MATISSE instrument, which is entering its testing phase, and the foreseen schedule for the next two years that will lead to the first light at Paranal., Comment: SPIE Astronomical Telescopes and Instrumentation conference, June 2016, 11 pages, 6 Figures more...

Published
2016
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2. Dietary Patterns and Mortality in a Multinational Cohort of Adults Receiving Hemodialysis

Author

Badino, A., Petracci, L., Villareal, C., Soto, M., Arias, M., Vera, F., Quispe, V., Morales, S., Bueno, D., Bargna, R., Peñaloza, G., Alcalde, L., Dayer, J., Milán, A., Centurión, N., Ramos, A., De Orta, E., Menardi, S., Austa Bel, N., Marileo, E., Junqueras, N., Favalli, C., Trioni, R., Valle, G., López, M., Marinaro, C., Fernandez, A., Corral, J., Nattiello, E., Marone, S., García, J., Carrizo, G., González, P., Delicia, O., Maza, M., Chauque, M., Mora, J., Grbavac, D., López, L., Alonso, M., Villalba, C., Simon, M., Cernadas, M., Moscatelli, C., Vilamajó, I., Tursky, C., Martínez, M., Villalba, F., Pereira, D., Araujo, S., López, H., Alonso, V., Vázquez, B., Rapetti, M., Raña, S., Capdevila, M., Ljubich, C., Acosta, M., Coombes, M., Doria, V., Ávila, M., Cáceres, D., Geandet, E., Romero, C., Morales, E., Recalde, C., Casanú, M., Lococo, B., Da Cruz, O., Focsaner, C., Galarce, D., Albarracín, L., Vescovo, E., Gravielle, M., Florio, D., Baumgart, L., Corbalán, M., Aguilera, V., Hermida, O., Galli, C., Ziombra, L., Gutierrez, A., Frydelund, S., Hardaman, A., Maciel, A., Arrigo, M., Mato Mira, C., Leibovich, J., Paparone, R., Muller, E., Malimar, A., Leocadio, I., Cruz, W., Tirado, S., Peñalba, A., Cejas, R., Mansilla, S., Campos, C., Abrego, E., Chávez, P., Corpacci, G., Echavarría, A., Engler, C., Vergara, P., Hubeli, M., Redondo, G., Noroña, B., Boriceanu, C., Lankester, M., Poignet, J.L., Saingra, Y., Indreies, M., Santini, J., Mahi, A., Robert, A., Bouvier, P., Merzouk, T., Villemain, F., Pajot, A., Tollis, F., Brahim-Bounab, M., Benmoussa, A., Albitar, S., Guimont, M.C., Ciobotaru, P., Guerin, A., Diaconita, M., Hoischen, S.H., Saupe, J., Ullmann, I., Grosser, S., Kunow, J., Grueger, S., Bischoff, D., Benders, J., Worch, P., Pfab, T., Kamin, N., Roesch, M., May, M., Albert, K., Csaszar, I., Kiss, E., Kosa, D., Orosz, A., Redl, J., Kovacs, L., Varga, E., Szabo, M., Magyar, K., Zajko, E., Bereczki, A., Csikos, J., Kerekes, E., Mike, A., Steiner, K., Nemeth, E., Tolnai, K., Toth, A., Vinczene, J., Szummer, S.z., Tanyi, E., Szilvia, M., Murgo, A.M., Sanfilippo, N., Dambrosio, N., Saturno, C., Matera, G., Benevento, M., Greco, V., di Leo, G., Papagni, S., Alicino, F., Marangelli, A., Pedone, F., Cagnazzo, A.V., Antinoro, R., Sambati, M.L., Donatelli, C., Ranieri, F., Torsello, F., Steri, P., Riccardi, C., Flammini, A., Moscardelli, L., Boccia, E., Mantuano, M., Di Toro Mammarella, R., Meconizzi, M., Fichera, R., D’Angelo, A., Latassa, G., Molino, A., Fici, M., Lupo, A., Montalto, G., Messina, S., Capostagno, C., Randazzo, G., Pagano, S., Marino, G., Rallo, D., Maniscalco, A., Trovato, O.M., Strano, C., Failla, A., Bua, A., Campo, S., Nasisi, P., Salerno, A., Laudani, S., Grippaldi, F., Bertino, D., Di Benedetto, D.V., Puglisi, A., Chiarenza, S., Lentini Deuscit, M., Incardona, C.M., Scuto, G., Todaro, C., Dino, A., Novello, D., Coco, A., Bocheńska-Nowacka, E., Jaroszyński, A., Drabik, J., Wypych-Birecka, M., Daniewska, D., Drobisz, M., Doskocz, K., Wyrwicz-Zielińska, G., Kosicki, A., Ślizień, W., Rutkowski, P., Arentowicz, S., Dzimira, S., Grabowska, M., Ostrowski, J., Całka, A., Grzegorczyk, T., Dżugan, W., Mazur, M., Myślicki, M., Piechowska, M., Kozicka, D., de Sá Martins, V., Aguiar, L., Mira, A.R., Velez, B., Pinheiro, T., Agapi, E., Ardelean, C.L., Baidog, A., Bako, G., Barb, M., Blaga, A., Bodurian, E., Bumbea, V., Dragan, E., Dumitrache, D., Florescu, L., Havasi, N., Hint, S., Ilies, R., Mandita, A.G.M., Marian, R.I., Medrihan, S.L., Mitea, L., Mitea, S., Mocanu, R., Moro, D.C., Nitu, M., Popa, M.L., Popa, M., Railean, E., Scuturdean, A.R., Szentendrey, K., Teodoru, C.L., Varga, A., García, M., Olaya, M., Abujder, V., Carreras, J., López, A., Ros, F., Cuesta, G., García, A., Orero, E., Ros, E., Bea, S., Pizarro, J.L., Luengo, S., Romero, A., Navarro, M., Cermeño, L., Rodriguez, A., Lopez, D., Barrera, A., Montoya, F., Tajahuerce, J., Carro, M., Cunill, M.Q., Narci, S., Ballester, T., Soler, M.J., Traver, S., Buta, P.P., Cucuiat, L., Rosu, L., Garcia, I., Gavra, C.M., Gonzalez, R., Filimon, S., Peñalver, M., Benages, V., Cardo, M.I., García, E., Soler, P., Fernnandez, E., Popescu, F., Munteanu, R., Tanase, E., Sagau, F., Prades, D., Esteller, S., Gonzalez, E., Martinez, R., Diago, A., Torres, J., Perez, E., Garcia, C., Lluch, I., Forcano, J., Fóns, M., Rodríguez, A., Millán, N.A., Fernández, J., Ferreiro, B., Otero, M., Pesqueira, V., Abal, S., Álvarez, R., Jorge, C., Rico, I., de Dios Ramiro, J., Duzy, L., Soto, A., Lopez, J.L., Diaz, Y., Herrero, I., Farré, M., Blasco, C., Ferrás, S., Agost, M.J., Miracle, C., Farto, J., Goch, J., Katzarski, K.S., Wulcan, A., Akbiber, H., Arslan, H., Bicen, L., Buyukkiraz, A., Celik, R., Dogan, I.S., Erkalkan, S., Ertas, A., Hark, U., Iravul, E., Karakaya, M., Mengu, K., Ongun, S., Ozkan, Z., Ozlu, A., Ozveren, N., Sifil, H.M., Sonmez Turksoz, N., Yilmaz, Z., Saglimbene, Valeria M., Wong, Germaine, Teixeira-Pinto, Armando, Ruospo, Marinella, Garcia-Larsen, Vanessa, Palmer, Suetonia C., Natale, Patrizia, Campbell, Katrina, Carrero, Juan-Jesus, Stenvinkel, Peter, Gargano, Letizia, Murgo, Angelo M., Johnson, David W., Tonelli, Marcello, Gelfman, Rubén, Celia, Eduardo, Ecder, Tevfik, Bernat, Amparo G., Del Castillo, Domingo, Timofte, Delia, Török, Marietta, Bednarek-Skublewska, Anna, Duława, Jan, Stroumza, Paul, Hansis, Martin, Fabricius, Elisabeth, Felaco, Paolo, Wollheim, Charlotta, Hegbrant, Jörgen, Craig, Jonathan C., and Strippoli, Giovanni F.M. more...

Published
2020
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3. First results from fringe tracking with the PRIMA fringe sensor unit

Author

Sahlmann, J., Abuter, R., Menardi, S., Schmid, C., Di Lieto, N., Delplancke, F., Frahm, R., Gomes, N., Haguenauer, P., Leveque, S., Morel, S., Mueller, A., Duc, T. Phan, Schuhler, N., and van Belle, G. more...

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The fringe sensor unit (FSU) is the central element of the phase referenced imaging and micro-arcsecond astrometry (PRIMA) dual-feed facility for the Very Large Telescope interferometer (VLTI). It has been installed at the Paranal observatory in August 2008 and is undergoing commissioning and preparation for science operation. Commissioning observations began shortly after installation and first results include the demonstration of spatially encoded fringe sensing and the increase in VLTI limiting magnitude for fringe tracking. However, difficulties have been encountered because the FSU does not incorporate real-time photometric correction and its fringe encoding depends on polarisation. These factors affect the control signals, especially their linearity, and can disturb the tracking control loop. To account for this, additional calibration and characterisation efforts are required. We outline the instrument concept and give an overview of the commissioning results obtained so far. We describe the effects of photometric variations and beam-train polarisation on the instrument operation and propose possible solutions. Finally, we update on the current status in view of the start of astrometric science operation with PRIMA., Comment: 12 pages, 11 figures, SPIE 2010 conference proceedings more...

Published
2010
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4. Study of the Science Capabilities of PRIMA in the Galactic Center

Author

Bartko, H., Pfuhl, O., Eisenhauer, F., Genzel, R., Gillessen, S., Rabien, S., Abuter, R., Belle, G. v., Delplancke, F., Menardi, S., and Sahlmann, J.

Subjects
Astrophysics
Abstract

The Phase-Referenced Imaging and Micro-arcsecond Astrometry (PRIMA) facility is scheduled for installation in the Very Large Telescope Interferometer observatory in Paranal, Chile, in the second half of 2008. Its goal is to provide astrometric accuracy in the micro-arcsecond range. High precision astrometry can be applied to explore the dynamics of the dense stellar cluster. Especially models for the formation of stars near super massive black holes or the fast transfer of short-lived massive stars into the innermost parsec of our galaxy can be tested. By measuring the orbits of stars close to the massive black hole one can probe deviations from a Keplerian motion. Such deviations could be due to a swarm of dark, stellar mass objects that perturb the point mass solution. At the same time the orbits are affected by relativistic corrections which thus can be tested. The ultimate goal is to test the effects of general relativity in the strong gravitational field. The latter can be probed with the near infrared flares of SgrA* which are most likely due to accretion phenomena onto the black hole. We study the expected performance of PRIMA for astrometric measurements in the Galactic Center based on laboratory measurements and discuss possible observing strategies., Comment: Presentation at the SPIE 2008 conference "Optical and Infrared Interferometry" more...

Published
2008
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5. Multiple Beam Fringe Tracking at VLTI

Author

Gai, M., Bonino, D., Corcione, L., Gardiol, D., Lattanzi, M. G., Loreggia, D., Massone, G., Menardi, S., Leibundgut, Bruno, editor, Richichi, A., editor, Delplancke, F., editor, Paresce, F., editor, and Chelli, A., editor more...

Published
2008
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6. PRIMA for the VLTI — Science

Author

Delplancke, F., Derie, F., Paresce, F., Glindemann, A., Lévy, F., Lévêque, S., Ménardi, S., Garcia, Paulo J. V., editor, Glindemann, Andreas, editor, Henning, Thomas, editor, and Malbet, Fabien, editor more...

Published
2003
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7. The VLTI — A Status Report

Author

Glindemann, A., Algomedo, J., Amestica, R., Ballester, P., Bauvir, B., Bugueño, E., Correia, S., Delgado, F., Delplancke, F., Derie, F., Duhoux, Ph., Folco, E. Di, Gennai, A., Gilli, B., Giordano, P., Gitton, Ph., Guisard, S., Housen, N., Huxley, A., Kervella, P., Kiekebusch, M., Koehler, B., Lévêque, S., Longinotti, A., Ménardi, S., Morel, S., Paresce, F., Duc, T. Phan, Richichi, A., Schöller, M., Tarenghi, M., Wallander, A., Wittkowski, M., Wilhelm, R., Garcia, Paulo J. V., editor, Glindemann, Andreas, editor, Henning, Thomas, editor, and Malbet, Fabien, editor more...

Published
2003
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8. Dietary Patterns and Mortality in a Multinational Cohort of Adults Receiving Hemodialysis

Author

Saglimbene, Valeria M., primary, Wong, Germaine, additional, Teixeira-Pinto, Armando, additional, Ruospo, Marinella, additional, Garcia-Larsen, Vanessa, additional, Palmer, Suetonia C., additional, Natale, Patrizia, additional, Campbell, Katrina, additional, Carrero, Juan-Jesus, additional, Stenvinkel, Peter, additional, Gargano, Letizia, additional, Murgo, Angelo M., additional, Johnson, David W., additional, Tonelli, Marcello, additional, Gelfman, Rubén, additional, Celia, Eduardo, additional, Ecder, Tevfik, additional, Bernat, Amparo G., additional, Del Castillo, Domingo, additional, Timofte, Delia, additional, Török, Marietta, additional, Bednarek-Skublewska, Anna, additional, Duława, Jan, additional, Stroumza, Paul, additional, Hansis, Martin, additional, Fabricius, Elisabeth, additional, Felaco, Paolo, additional, Wollheim, Charlotta, additional, Hegbrant, Jörgen, additional, Craig, Jonathan C., additional, Strippoli, Giovanni F.M., additional, Badino, A., additional, Petracci, L., additional, Villareal, C., additional, Soto, M., additional, Arias, M., additional, Vera, F., additional, Quispe, V., additional, Morales, S., additional, Bueno, D., additional, Bargna, R., additional, Peñaloza, G., additional, Alcalde, L., additional, Dayer, J., additional, Milán, A., additional, Centurión, N., additional, Ramos, A., additional, De Orta, E., additional, Menardi, S., additional, Austa Bel, N., additional, Marileo, E., additional, Junqueras, N., additional, Favalli, C., additional, Trioni, R., additional, Valle, G., additional, López, M., additional, Marinaro, C., additional, Fernandez, A., additional, Corral, J., additional, Nattiello, E., additional, Marone, S., additional, García, J., additional, Carrizo, G., additional, González, P., additional, Delicia, O., additional, Maza, M., additional, Chauque, M., additional, Mora, J., additional, Grbavac, D., additional, López, L., additional, Alonso, M., additional, Villalba, C., additional, Simon, M., additional, Cernadas, M., additional, Moscatelli, C., additional, Vilamajó, I., additional, Tursky, C., additional, Martínez, M., additional, Villalba, F., additional, Pereira, D., additional, Araujo, S., additional, López, H., additional, Alonso, V., additional, Vázquez, B., additional, Rapetti, M., additional, Raña, S., additional, Capdevila, M., additional, Ljubich, C., additional, Acosta, M., additional, Coombes, M., additional, Doria, V., additional, Ávila, M., additional, Cáceres, D., additional, Geandet, E., additional, Romero, C., additional, Morales, E., additional, Recalde, C., additional, Casanú, M., additional, Lococo, B., additional, Da Cruz, O., additional, Focsaner, C., additional, Galarce, D., additional, Albarracín, L., additional, Vescovo, E., additional, Gravielle, M., additional, Florio, D., additional, Baumgart, L., additional, Corbalán, M., additional, Aguilera, V., additional, Hermida, O., additional, Galli, C., additional, Ziombra, L., additional, Gutierrez, A., additional, Frydelund, S., additional, Hardaman, A., additional, Maciel, A., additional, Arrigo, M., additional, Mato Mira, C., additional, Leibovich, J., additional, Paparone, R., additional, Muller, E., additional, Malimar, A., additional, Leocadio, I., additional, Cruz, W., additional, Tirado, S., additional, Peñalba, A., additional, Cejas, R., additional, Mansilla, S., additional, Campos, C., additional, Abrego, E., additional, Chávez, P., additional, Corpacci, G., additional, Echavarría, A., additional, Engler, C., additional, Vergara, P., additional, Hubeli, M., additional, Redondo, G., additional, Noroña, B., additional, Boriceanu, C., additional, Lankester, M., additional, Poignet, J.L., additional, Saingra, Y., additional, Indreies, M., additional, Santini, J., additional, Mahi, A., additional, Robert, A., additional, Bouvier, P., additional, Merzouk, T., additional, Villemain, F., additional, Pajot, A., additional, Tollis, F., additional, Brahim-Bounab, M., additional, Benmoussa, A., additional, Albitar, S., additional, Guimont, M.C., additional, Ciobotaru, P., additional, Guerin, A., additional, Diaconita, M., additional, Hoischen, S.H., additional, Saupe, J., additional, Ullmann, I., additional, Grosser, S., additional, Kunow, J., additional, Grueger, S., additional, Bischoff, D., additional, Benders, J., additional, Worch, P., additional, Pfab, T., additional, Kamin, N., additional, Roesch, M., additional, May, M., additional, Albert, K., additional, Csaszar, I., additional, Kiss, E., additional, Kosa, D., additional, Orosz, A., additional, Redl, J., additional, Kovacs, L., additional, Varga, E., additional, Szabo, M., additional, Magyar, K., additional, Zajko, E., additional, Bereczki, A., additional, Csikos, J., additional, Kerekes, E., additional, Mike, A., additional, Steiner, K., additional, Nemeth, E., additional, Tolnai, K., additional, Toth, A., additional, Vinczene, J., additional, Szummer, S.z., additional, Tanyi, E., additional, Szilvia, M., additional, Murgo, A.M., additional, Sanfilippo, N., additional, Dambrosio, N., additional, Saturno, C., additional, Matera, G., additional, Benevento, M., additional, Greco, V., additional, di Leo, G., additional, Papagni, S., additional, Alicino, F., additional, Marangelli, A., additional, Pedone, F., additional, Cagnazzo, A.V., additional, Antinoro, R., additional, Sambati, M.L., additional, Donatelli, C., additional, Ranieri, F., additional, Torsello, F., additional, Steri, P., additional, Riccardi, C., additional, Flammini, A., additional, Moscardelli, L., additional, Boccia, E., additional, Mantuano, M., additional, Di Toro Mammarella, R., additional, Meconizzi, M., additional, Fichera, R., additional, D’Angelo, A., additional, Latassa, G., additional, Molino, A., additional, Fici, M., additional, Lupo, A., additional, Montalto, G., additional, Messina, S., additional, Capostagno, C., additional, Randazzo, G., additional, Pagano, S., additional, Marino, G., additional, Rallo, D., additional, Maniscalco, A., additional, Trovato, O.M., additional, Strano, C., additional, Failla, A., additional, Bua, A., additional, Campo, S., additional, Nasisi, P., additional, Salerno, A., additional, Laudani, S., additional, Grippaldi, F., additional, Bertino, D., additional, Di Benedetto, D.V., additional, Puglisi, A., additional, Chiarenza, S., additional, Lentini Deuscit, M., additional, Incardona, C.M., additional, Scuto, G., additional, Todaro, C., additional, Dino, A., additional, Novello, D., additional, Coco, A., additional, Bocheńska-Nowacka, E., additional, Jaroszyński, A., additional, Drabik, J., additional, Wypych-Birecka, M., additional, Daniewska, D., additional, Drobisz, M., additional, Doskocz, K., additional, Wyrwicz-Zielińska, G., additional, Kosicki, A., additional, Ślizień, W., additional, Rutkowski, P., additional, Arentowicz, S., additional, Dzimira, S., additional, Grabowska, M., additional, Ostrowski, J., additional, Całka, A., additional, Grzegorczyk, T., additional, Dżugan, W., additional, Mazur, M., additional, Myślicki, M., additional, Piechowska, M., additional, Kozicka, D., additional, de Sá Martins, V., additional, Aguiar, L., additional, Mira, A.R., additional, Velez, B., additional, Pinheiro, T., additional, Agapi, E., additional, Ardelean, C.L., additional, Baidog, A., additional, Bako, G., additional, Barb, M., additional, Blaga, A., additional, Bodurian, E., additional, Bumbea, V., additional, Dragan, E., additional, Dumitrache, D., additional, Florescu, L., additional, Havasi, N., additional, Hint, S., additional, Ilies, R., additional, Mandita, A.G.M., additional, Marian, R.I., additional, Medrihan, S.L., additional, Mitea, L., additional, Mitea, S., additional, Mocanu, R., additional, Moro, D.C., additional, Nitu, M., additional, Popa, M.L., additional, Popa, M., additional, Railean, E., additional, Scuturdean, A.R., additional, Szentendrey, K., additional, Teodoru, C.L., additional, Varga, A., additional, García, M., additional, Olaya, M., additional, Abujder, V., additional, Carreras, J., additional, López, A., additional, Ros, F., additional, Cuesta, G., additional, García, A., additional, Orero, E., additional, Ros, E., additional, Bea, S., additional, Pizarro, J.L., additional, Luengo, S., additional, Romero, A., additional, Navarro, M., additional, Cermeño, L., additional, Rodriguez, A., additional, Lopez, D., additional, Barrera, A., additional, Montoya, F., additional, Tajahuerce, J., additional, Carro, M., additional, Cunill, M.Q., additional, Narci, S., additional, Ballester, T., additional, Soler, M.J., additional, Traver, S., additional, Buta, P.P., additional, Cucuiat, L., additional, Rosu, L., additional, Garcia, I., additional, Gavra, C.M., additional, Gonzalez, R., additional, Filimon, S., additional, Peñalver, M., additional, Benages, V., additional, Cardo, M.I., additional, García, E., additional, Soler, P., additional, Fernnandez, E., additional, Popescu, F., additional, Munteanu, R., additional, Tanase, E., additional, Sagau, F., additional, Prades, D., additional, Esteller, S., additional, Gonzalez, E., additional, Martinez, R., additional, Diago, A., additional, Torres, J., additional, Perez, E., additional, Garcia, C., additional, Lluch, I., additional, Forcano, J., additional, Fóns, M., additional, Rodríguez, A., additional, Millán, N.A., additional, Fernández, J., additional, Ferreiro, B., additional, Otero, M., additional, Pesqueira, V., additional, Abal, S., additional, Álvarez, R., additional, Jorge, C., additional, Rico, I., additional, de Dios Ramiro, J., additional, Duzy, L., additional, Soto, A., additional, Lopez, J.L., additional, Diaz, Y., additional, Herrero, I., additional, Farré, M., additional, Blasco, C., additional, Ferrás, S., additional, Agost, M.J., additional, Miracle, C., additional, Farto, J., additional, Goch, J., additional, Katzarski, K.S., additional, Wulcan, A., additional, Akbiber, H., additional, Arslan, H., additional, Bicen, L., additional, Buyukkiraz, A., additional, Celik, R., additional, Dogan, I.S., additional, Erkalkan, S., additional, Ertas, A., additional, Hark, U., additional, Iravul, E., additional, Karakaya, M., additional, Mengu, K., additional, Ongun, S., additional, Ozkan, Z., additional, Ozlu, A., additional, Ozveren, N., additional, Sifil, H.M., additional, Sonmez Turksoz, N., additional, and Yilmaz, Z., additional more...

Published
2020
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9. An overview of the mid-infrared spectro-interferometer MATISSE: science, concept, and current status

Author

Matter, A., additional, Lopez, B., additional, Antonelli, P., additional, Lehmitz, M., additional, Bettonvil, F., additional, Beckmann, U., additional, Lagarde, S., additional, Jaffe, W., additional, Petrov, R., additional, Berio, P., additional, Millour, F., additional, Robbe-Dubois, S., additional, Glindemann, A., additional, Bristow, P., additional, Schoeller, M., additional, Lanz, T., additional, Henning, T., additional, Weigelt, G., additional, Heininger, M., additional, Morel, S., additional, Cruzalebes, P., additional, Meisenheimer, K., additional, Hofferbert, R., additional, Wolf, S., additional, Bresson, Y., additional, Agocs, T., additional, Allouche, F., additional, Augereau, J.-C., additional, Avila, G., additional, Bailet, C., additional, Behrend, J., additional, van Belle, G., additional, Berger, J.-P., additional, van Boekel, R., additional, Bourget, P., additional, Brast, R., additional, Clausse, J.-M., additional, Connot, C., additional, Conzelmann, R., additional, Csepany, G., additional, Danchi, W. C., additional, Delbo, M., additional, Dominik, C., additional, van Duin, A., additional, Elswijk, E., additional, Fantei, Y., additional, Finger, G., additional, Gabasch, A., additional, Gonté, F., additional, Graser, U., additional, Guitton, F., additional, Guniat, S., additional, De Haan, M., additional, Haguenauer, P., additional, Hanenburg, H., additional, Hofmann, K.-H., additional, Hogerheijde, M., additional, ter Horst, R., additional, Hron, J., additional, Hummel, C, additional, Isderda, J., additional, Ives, D., additional, Jakob, G., additional, Jasko, A., additional, Jolley, P., additional, Kiraly, S., additional, Kragt, J., additional, Kroener, T., additional, Kroes, G., additional, Kuindersma, S., additional, Labadie, L., additional, Laun, W., additional, Leinert, C., additional, Lizon, J.-L., additional, Lucuix, C., additional, Marcotto, A., additional, Martinache, F., additional, Martinot-Lagarde, G., additional, Mauclert, N., additional, Mehrgan, L., additional, Meilland, A., additional, Mellein, M., additional, Menardi, S., additional, Merand, A., additional, Neumann, U., additional, Nussbaum, E., additional, Ottogalli, S., additional, Palsa, R., additional, Panduro, J., additional, Pantin, E., additional, Percheron, I., additional, Phan Duc, T., additional, Pott, J.-U., additional, Pozna, E., additional, Roelfsema, R., additional, Rupprecht, G., additional, Schertl, D., additional, Schmidt, C., additional, Schuil, M., additional, Spang, A., additional, Stegmeier, J., additional, Tromp, N., additional, Vakili, F., additional, Vannier, M., additional, Wagner, K., additional, Venema, L., additional, and Woillez, J., additional more...

Published
2016
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10. Perspective of imaging in the mid-infrared at the Very Large Telescope Interferometer

Author

Lopez, B., primary, Lagarde, S., additional, Antonelli, P., additional, Jaffe, W., additional, Petrov, R., additional, Venema, L., additional, Robbe-Dubois, Sylvie, additional, Bettonvil, F., additional, Berio, P., additional, Navarro, R., additional, Graser, U., additional, Beckman, U., additional, Weigelt, G., additional, Vakili, F., additional, Henning, T., additional, Gonzales, J.-C., additional, Wolf, S., additional, Bailet, C., additional, Behrend, J., additional, Bresson, Y., additional, Chesneau, O., additional, Clausse, J. M., additional, Connot, C., additional, Dugué, M., additional, Fantei, Y., additional, Elswijk, E., additional, Hanenburg, H., additional, Hofmann, K. H., additional, Heininger, M., additional, ter Horst, R., additional, Hron, J., additional, Kragt, J., additional, Tromp, N., additional, Agocs, T., additional, Kroes, G., additional, Laun, W., additional, Leinert, Ch., additional, Lehmitz, M., additional, Matter, A., additional, Menut, J. L., additional, Millour, F., additional, Neumann, U., additional, Nussbaum, E., additional, Ottogalli, S., additional, Pott, J.-U., additional, Rigal, F., additional, Roussel, A., additional, Schertl, D., additional, Vannier, M., additional, Wagner, K., additional, Mellein, M., additional, Kroener, T., additional, Mauclert, N., additional, Girard, P., additional, Lagarde, G. M., additional, Mosoni, L., additional, Jasko, A., additional, Glindemann, A., additional, Phan Duc, T., additional, Finger, G., additional, Ives, D., additional, Jakob, G., additional, Percheron, I., additional, Avila, G., additional, Palsa, R., additional, Pozna, E., additional, Lizon, J. L., additional, Lucuix, Ch., additional, Menardi, S., additional, Haguenauer, P., additional, Gitton, P., additional, Morel, S., additional, Gonté, F., additional, Jolley, P., additional, Rupprecht, G., additional, Bourget, P., additional, Delplancke, F., additional, Mehrgan, L., additional, Stegmeier, J., additional, van Belle, G., additional, Richichi, A., additional, and Moorwood, A., additional more...

Published
2012
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11. Performance limitations of small-format high-speed infrared arrays for active control loops in interferometry and adaptive optics

Author

Garnettq, James D., Beletic, James W., Finger, G., Smith, R., Menardi, S., Dorn, R. J., Meyer, M., Mehrgan, L., Stegmeier, J., Moorwood, A. F. M., Garnettq, James D., Beletic, James W., Finger, G., Smith, R., Menardi, S., Dorn, R. J., Meyer, M., Mehrgan, L., Stegmeier, J., and Moorwood, A. F. M. more...

Abstract

The detector mounted in the VLTI fringe sensor FINITO is a 256x256 HgCdTe array with a cut-off wavelength of 1.9 micron. The same arrays having cut-off wavelengths of 2.5 micron will be used in the tip tilt sensor IRIS and the PRIMA instrument of the VLT interferometer. The arrays are part of an active control loop with integration times as short as a few hundred microseconds. The fringe tracker FINITO uses only 7 pixels of the array. To take advantage of the four parallel channels of the PICNIC multiplexer, the pixels illuminated in each quadrant are positioned at the same location within the quadrants. A noise analysis of the PICNIC array shows that the main sensitivity limitation of the array is contained in the low frequency part of the noise power spectrum. Similar behaviour has been observed with other infrared arrays. In an effort to optimize the unit cell pixel buffer to achieve high speed and low noise, a prototype multiplexer is being developed at Rockwell for adaptive optics. However, low frequency noise may still be the limiting factor dominating the noise performance of infrared arrays. To overcome this noise barrier, detector architectures have to be envisaged which should allow double correlated sampling on shorter time scales than a full exposure. This might be accomplished by some kind of gate in the IR material which allows charge to be shifted from an integrating well in the infrared pixel to a small sensing node capacitance of the multiplexer unit cell buffer. more...

Published
2004

14. The VLTI -- A Status Report

Author

Glindemann, Andreas, primary, Algomedo, J., additional, Amestica, Rodrigo, additional, Ballester, Pascal, additional, Bauvir, Bertrand, additional, Bugueno, E., additional, Correia, Serge, additional, Delgado, Francisco, additional, Delplancke, Francoise, additional, Derie, Frederic, additional, Duhoux, Philippe, additional, di Folco, Emmanuel, additional, Gennai, Alberto, additional, Gilli, Bruno, additional, Giordano, Paul, additional, Gitton, Philippe B., additional, Guisard, Stephane, additional, Housen, Nico, additional, Huxley, Alexis, additional, Kervella, Pierre, additional, Kiekebusch, Mario, additional, Koehler, Bertrand, additional, Leveque, Samuel A., additional, Longinotti, Antonio, additional, Morel, Sebastien, additional, Paresce, Francesco, additional, Duc, Than P., additional, Richichi, Andrea, additional, Schoeller, Markus, additional, Tarenghi, Massimo, additional, Wallander, Anders, additional, Wittkowski, Markus, additional, Wilhelm, Rainer, additional, and Menardi, S., additional more...

Published
2003
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15. Multiple Beam Fringe Tracking at VLTI.

Author

Leibundgut, Bruno, Richichi, A., Delplancke, F., Paresce, F., Chelli, A., Gai, M., Bonino, D., Corcione, L., Gardiol, D., Lattanzi, M. G., Loreggia, D., Massone, G., and Menardi, S.

Abstract

The combination of more than two beams is appealing from the scientificstandpoint due to the increased sampling of the spatial frequency plane.Each telescope beam is affected by an independent piston noise, whichmust be measured and corrected in order to achieve stable observingconditions on the science targets.We discuss fringe sensor implementation concepts, taking intoaccount aspects evidenced from the current experience at VLTI. [ABSTRACT FROM AUTHOR] more...

Published
2008
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16. An overview of the mid-infrared spectro-interferometer MATISSE: science, concept, and current status

Author

Malbet, Fabien, Creech-Eakman, Michelle J., Tuthill, Peter G., Matter, A., Lopez, B., Antonelli, P., Lehmitz, M., Bettonvil, F., Beckmann, U., Lagarde, S., Jaffe, W., Petrov, R., Berio, P., Millour, F., Robbe-Dubois, S., Glindemann, A., Bristow, P., Schoeller, M., Lanz, T., Henning, T., Weigelt, G., Heininger, M., Morel, S., Cruzalebes, P., Meisenheimer, K., Hofferbert, R., Wolf, S., Bresson, Y., Agocs, T., Allouche, F., Augereau, J.-C., Avila, G., Bailet, C., Behrend, J., van Belle, G., Berger, J.-P., van Boekel, R., Bourget, P., Brast, R., Clausse, J.-M., Connot, C., Conzelmann, R., Csepany, G., Danchi, W. C., Delbo, M., Dominik, C., van Duin, A., Elswijk, E., Fantei, Y., Finger, G., Gabasch, A., Gonté, F., Graser, U., Guitton, F., Guniat, S., De Haan, M., Haguenauer, P., Hanenburg, H., Hofmann, K.-H., Hogerheijde, M., ter Horst, R., Hron, J., Hummel, C, Isderda, J., Ives, D., Jakob, G., Jasko, A., Jolley, P., Kiraly, S., Kragt, J., Kroener, T., Kroes, G., Kuindersma, S., Labadie, L., Laun, W., Leinert, C., Lizon, J.-L., Lucuix, C., Marcotto, A., Martinache, F., Martinot-Lagarde, G., Mauclert, N., Mehrgan, L., Meilland, A., Mellein, M., Menardi, S., Merand, A., Neumann, U., Nussbaum, E., Ottogalli, S., Palsa, R., Panduro, J., Pantin, E., Percheron, I., Phan Duc, T., Pott, J.-U., Pozna, E., Roelfsema, R., Rupprecht, G., Schertl, D., Schmidt, C., Schuil, M., Spang, A., Stegmeier, J., Tromp, N., Vakili, F., Vannier, M., Wagner, K., Venema, L., and Woillez, J. more...

Published
2016
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17. Diffraction of neutrons on heavy water

Author

Forte, M. and Menardi, S.

Abstract

The existence of big molecular aggregates in the water structure, previously proposed in various models, has been investigated by neutron diffraction methods, in the case of heavy water. No coherent effect corresponding to an aggregate structure has been found, although the sensitivity of the experiment was fairly high. On the other hand the same negative conclusion was deduced after a calculation of the light scattering (Tyndall effect). L’esistenza di aggregati molecolari di grandi dimensioni nella struttura dell’acqua, già proposta in vari modelli, è stata investigata mediante diffrazione neutronica, nel caso dell’acqua pesante. Non si è trovato alcun effetto coerente corrispondente ad una struttura ad aggregati, nonostante la elevata sensibilità dell’esperimento. D’altra parte, una conclusione ugualmente negativa si è dedotta con un calcolo della diffusione della luce (effetto Tyndall). В случае тяжелой воды, испольэуя методы диффракции нейтронов, было иэучено сушествование больщих молекулярных групп в водяной структуре, которые предварительно предполагались в раэличных моделях. Не было найдено никаких когерентных зффрктов, соответствуюших агрегатной структуре, хотя чувствительность зксперимента была довольно высокой. С другой стороны, такое отрицательное эаключение было сделано после рассмотрения рассеяния света (Тундаль зффект). more...

Published
1978
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