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129 results on '"Chioetto, Paolo"'

1. Particle monitoring capability of the Solar Orbiter Metis coronagraph through the increasing phase of solar cycle 25

Author

Grimani, Catia, Andretta, Vincenzo, Antonucci, Ester, Chioetto, Paolo, Da Deppo, Vania, Fabi, Michele, Gissot, Samuel, Jerse, Giovanna, Messerotti, Mauro, Naletto, Giampiero, Pancrazzi, Maurizio, Persici, Andrea, Plainaki, Christina, Romoli, Marco, Sabbatini, Federico, Spadaro, Daniele, Stangalini, Marco, Telloni, Daniele, Teriaca, Luca, Uslenghi, Michela, Villani, Mattia, Abbo, Lucia, Burtovoi, Aleksandr, Frassati, Federica, Landini, Federico, Nicolini, Giana, Russano, Giuliana, Sasso, Clementina, and Susino, Roberto

Subjects
Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment, Physics - Space Physics
Abstract

Context. Galactic cosmic rays (GCRs) and solar particles with energies greater than tens of MeV penetrate spacecraft and instruments hosted aboard space missions. The Solar Orbiter Metis coronagraph is aimed at observing the solar corona in both visible (VL) and ultraviolet (UV) light. Particle tracks are observed in the Metis images of the corona. An algorithm has been implemented in the Metis processing electronics to detect the VL image pixels crossed by cosmic rays. This algorithm was initially enabled for the VL instrument only, since the process of separating the particle tracks in the UV images has proven to be very challenging. Aims. We study the impact of the overall bulk of particles of galactic and solar origin on the Metis coronagraph images. We discuss the effects of the increasing solar activity after the Solar Orbiter mission launch on the secondary particle production in the spacecraft. Methods. We compared Monte Carlo simulations of GCRs crossing or interacting in the Metis VL CMOS sensor to observations gathered in 2020 and 2022. We also evaluated the impact of solar energetic particle events of different intensities on the Metis images. Results. The study of the role of abundant and rare cosmic rays in firing pixels in the Metis VL images of the corona allows us to estimate the efficiency of the algorithm applied for cosmic-ray track removal from the images and to demonstrate that the instrument performance had remained unchanged during the first two years of the Solar Orbiter operations. The outcome of this work can be used to estimate the Solar Orbiter instrument's deep charging and the order of magnitude for energetic particles crossing the images of Metis and other instruments such as STIX and EUI., Comment: 8 pages, 6 figures

Published
2023
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3. Coronal Heating Rate in the Slow Solar Wind

Author

Telloni, Daniele, Romoli, Marco, Velli, Marco, Zank, Gary P., Adhikari, Laxman, Downs, Cooper, Burtovoi, Aleksandr, Susino, Roberto, Spadaro, Daniele, Zhao, Lingling, Liberatore, Alessandro, Shi, Chen, De Leo, Yara, Abbo, Lucia, Frassati, Federica, Jerse, Giovanna, Landini, Federico, Nicolini, Gianalfredo, Pancrazzi, Maurizio, Russano, Giuliana, Sasso, Clementina, Andretta, Vincenzo, Da Deppo, Vania, Fineschi, Silvano, Grimani, Catia, Heinzel, Petr, Moses, John D., Naletto, Giampiero, Stangalini, Marco, Teriaca, Luca, Uslenghi, Michela, Berlicki, Arkadiusz, Bruno, Roberto, Capobianco, Gerardo, Capuano, Giuseppe E., Casini, Chiara, Casti, Marta, Chioetto, Paolo, Corso, Alain J., D'Amicis, Raffaella, Fabi, Michele, Frassetto, Fabio, Giarrusso, Marina, Giordano, Silvio, Guglielmino, Salvo L., Magli, Enrico, Massone, Giuseppe, Messerotti, Mauro, Nisticò, Giuseppe, Pelizzo, Maria G., Reale, Fabio, Romano, Paolo, Schühle, Udo, Solanki, Sami K., Straus, Thomas, Ventura, Rita, Volpicelli, Cosimo A., Zangrilli, Luca, Zimbardo, Gaetano, Zuppella, Paola, Bale, Stuart D., and Kasper, Justin C.

Subjects
Astrophysics - Solar and Stellar Astrophysics, Physics - Space Physics
Abstract

This Letter reports the first observational estimate of the heating rate in the slowly expanding solar corona. The analysis exploits the simultaneous remote and local observations of the same coronal plasma volume with the Solar Orbiter/Metis and the Parker Solar Probe instruments, respectively, and relies on the basic solar wind magnetohydrodynamic equations. As expected, energy losses are a minor fraction of the solar wind energy flux, since most of the energy dissipation that feeds the heating and acceleration of the coronal flow occurs much closer to the Sun than the heights probed in the present study, which range from 6.3 to 13.3 solar radii. The energy deposited to the supersonic wind is then used to explain the observed slight residual wind acceleration and to maintain the plasma in a non-adiabatic state. As derived in the Wentzel-Kramers-Brillouin limit, the present energy transfer rate estimates provide a lower limit, which can be very useful in refining the turbulence-based modeling of coronal heating and subsequent solar wind acceleration.

Published
2023

4. Optical and Opto-mechanical Analysis and Design of the Telescope for the Ariel Mission

Author

Chioetto, Paolo

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Abstract

The Atmospheric Remote-sensing Infrared Exoplanet Large-survey (Ariel) is the first space mission dedicated to measuring the chemical composition and thermal structures of thousands of transiting exoplanets. Ariel was adopted in 2020 as the M4 mission in ESA "Cosmic Vision" program, with launch expected in 2029. The mission will operate from the Sun-Earth Lagrange Point L2. The scientific payload consists of two instruments: a high resolution spectrometer in the waveband 1.95-7.8 microns, and a fine guidance system / visible photometer / low resolution near-infrared spectrometer. The instruments are fed a collimated beam from an unobscured, off-axis Cassegrain telescope. Instruments and telescope will operate at a temperature below 50 K. Telescope mirrors and supporting structures will be realized in aerospace-grade aluminum. Given the large aperture of the primary mirror (0.6 m$^2$), it is a choice of material that requires careful optical and opto-mechanical design, and technological advances in the three areas of mirror substrate thermal stabilization, optical surface polishing and optical coating. This thesis presents the work done by the author in these areas, as member of the team responsible for designing and manufacturing the telescope and mirrors, starting with a systematic review of the optical and opto-mechanical requirements and design choices of the Ariel telescope, in the context of previous development work and scientific goals and requirements of the mission. The review then progresses with opto-mechanical design, examining the most important choices in terms of structural and thermal design, and with a statistical analysis of the deformations of the optical surface of the telescope mirrors and of their alignment in terms of rigid body motions. The details of the qualification work on thermal stabilization, polishing and coating are then presented., Comment: Pre-print of the final dissertation for the PhD Course in "Sciences, Technologies and Measurements for Space", 35th Series, at the Center for Studies and Space Activities "G.Colombo" - CISAS, University of Padova, Italy. Course coordinator: Prof. Francesco Picano, Supervisor: Dr. Paola Zuppella, Co-supervisor: Dr. Vania Da Deppo

Published
2022

5. Exploring the Solar Wind from its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter - Parker Solar Probe Quadrature

Author

Telloni, Daniele, Andretta, Vincenzo, Antonucci, Ester, Bemporad, Alessandro, Capuano, Giuseppe E., Fineschi, Silvano, Giordano, Silvio, Habbal, Shadia, Perrone, Denise, Pinto, Rui F., Sorriso-Valvo, Luca, Spadaro, Daniele, Susino, Roberto, Woodham, Lloyd D., Zank, Gary P., Romoli, Marco, Bale, Stuart D., Kasper, Justin C., Auchère, Frédéric, Bruno, Roberto, Capobianco, Gerardo, Case, Anthony W., Casini, Chiara, Casti, Marta, Chioetto, Paolo, Corso, Alain J., Da Deppo, Vania, De Leo, Yara, de Wit, Thierry Dudok, Frassati, Federica, Frassetto, Fabio, Goetz, Keith, Guglielmino, Salvo L., Harvey, Peter R., Heinzel, Petr, Jerse, Giovanna, Korreck, Kelly E., Landini, Federico, Larson, Davin, Liberatore, Alessandro, Livi, Roberto, MacDowall, Robert J., Magli, Enrico, Malaspina, David M., Massone, Giuseppe, Messerotti, Mauro, Moses, John D., Naletto, Giampiero, Nicolini, Gianalfredo, Nisticò, Giuseppe, Panasenco, Olga, Pancrazzi, Maurizio, Pelizzo, Maria G., Pulupa, Marc, Reale, Fabio, Romano, Paolo, Sasso, Clementina, Schühle, Udo, Stangalini, Marco, Stevens, Michael L., Strachan, Leonard, Straus, Thomas, Teriaca, Luca, Uslenghi, Michela, Velli, Marco, Verscharen, Daniel, Volpicelli, Cosimo A., Whittlesey, Phyllis, Zangrilli, Luca, Zimbardo, Gaetano, and Zuppella, Paola

Subjects
Astrophysics - Solar and Stellar Astrophysics, Physics - Plasma Physics, Physics - Space Physics
Abstract

This Letter addresses the first Solar Orbiter (SO) -- Parker Solar Probe (PSP) quadrature, occurring on January 18, 2021, to investigate the evolution of solar wind from the extended corona to the inner heliosphere. Assuming ballistic propagation, the same plasma volume observed remotely in corona at altitudes between 3.5 and 6.3 solar radii above the solar limb with the Metis coronagraph on SO can be tracked to PSP, orbiting at 0.1 au, thus allowing the local properties of the solar wind to be linked to the coronal source region from where it originated. Thanks to the close approach of PSP to the Sun and the simultaneous Metis observation of the solar corona, the flow-aligned magnetic field and the bulk kinetic energy flux density can be empirically inferred along the coronal current sheet with an unprecedented accuracy, allowing in particular estimation of the Alfv\'en radius at 8.7 solar radii during the time of this event. This is thus the very first study of the same solar wind plasma as it expands from the sub-Alfv\'enic solar corona to just above the Alfv\'en surface., Comment: 10 pages, 4 figures

Published
2021
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6. The Comet Interceptor Mission

Author

Jones, Geraint H., Snodgrass, Colin, Tubiana, Cecilia, Küppers, Michael, Kawakita, Hideyo, Lara, Luisa M., Agarwal, Jessica, André, Nicolas, Attree, Nicholas, Auster, Uli, Bagnulo, Stefano, Bannister, Michele, Beth, Arnaud, Bowles, Neil, Coates, Andrew, Colangeli, Luigi, Corral van Damme, Carlos, Da Deppo, Vania, De Keyser, Johan, Della Corte, Vincenzo, Edberg, Niklas, El-Maarry, Mohamed Ramy, Faggi, Sara, Fulle, Marco, Funase, Ryu, Galand, Marina, Goetz, Charlotte, Groussin, Olivier, Guilbert-Lepoutre, Aurélie, Henri, Pierre, Kasahara, Satoshi, Kereszturi, Akos, Kidger, Mark, Knight, Matthew, Kokotanekova, Rosita, Kolmasova, Ivana, Kossacki, Konrad, Kührt, Ekkehard, Kwon, Yuna, La Forgia, Fiorangela, Levasseur-Regourd, Anny-Chantal, Lippi, Manuela, Longobardo, Andrea, Marschall, Raphael, Morawski, Marek, Muñoz, Olga, Näsilä, Antti, Nilsson, Hans, Opitom, Cyrielle, Pajusalu, Mihkel, Pommerol, Antoine, Prech, Lubomir, Rando, Nicola, Ratti, Francesco, Rothkaehl, Hanna, Rotundi, Alessandra, Rubin, Martin, Sakatani, Naoya, Sánchez, Joan Pau, Simon Wedlund, Cyril, Stankov, Anamarija, Thomas, Nicolas, Toth, Imre, Villanueva, Geronimo, Vincent, Jean-Baptiste, Volwerk, Martin, Wurz, Peter, Wielders, Arno, Yoshioka, Kazuo, Aleksiejuk, Konrad, Alvarez, Fernando, Amoros, Carine, Aslam, Shahid, Atamaniuk, Barbara, Baran, Jędrzej, Barciński, Tomasz, Beck, Thomas, Behnke, Thomas, Berglund, Martin, Bertini, Ivano, Bieda, Marcin, Binczyk, Piotr, Busch, Martin-Diego, Cacovean, Andrei, Capria, Maria Teresa, Carr, Chris, Castro Marín, José María, Ceriotti, Matteo, Chioetto, Paolo, Chuchra-Konrad, Agata, Cocola, Lorenzo, Colin, Fabrice, Crews, Chiaki, Cripps, Victoria, Cupido, Emanuele, Dassatti, Alberto, Davidsson, Björn J. R., De Roche, Thierry, Deca, Jan, Del Togno, Simone, Dhooghe, Frederik, Donaldson Hanna, Kerri, Eriksson, Anders, Fedorov, Andrey, Fernández-Valenzuela, Estela, Ferretti, Stefano, Floriot, Johan, Frassetto, Fabio, Fredriksson, Jesper, Garnier, Philippe, Gaweł, Dorota, Génot, Vincent, Gerber, Thomas, Glassmeier, Karl-Heinz, Granvik, Mikael, Grison, Benjamin, Gunell, Herbert, Hachemi, Tedjani, Hagen, Christian, Hajra, Rajkumar, Harada, Yuki, Hasiba, Johann, Haslebacher, Nico, Herranz De La Revilla, Miguel Luis, Hestroffer, Daniel, Hewagama, Tilak, Holt, Carrie, Hviid, Stubbe, Iakubivskyi, Iaroslav, Inno, Laura, Irwin, Patrick, Ivanovski, Stavro, Jansky, Jiri, Jernej, Irmgard, Jeszenszky, Harald, Jimenéz, Jaime, Jorda, Laurent, Kama, Mihkel, Kameda, Shingo, Kelley, Michael S. P., Klepacki, Kamil, Kohout, Tomáš, Kojima, Hirotsugu, Kowalski, Tomasz, Kuwabara, Masaki, Ladno, Michal, Laky, Gunter, Lammer, Helmut, Lan, Radek, Lavraud, Benoit, Lazzarin, Monica, Le Duff, Olivier, Lee, Qiu-Mei, Lesniak, Cezary, Lewis, Zoe, Lin, Zhong-Yi, Lister, Tim, Lowry, Stephen, Magnes, Werner, Markkanen, Johannes, Martinez Navajas, Ignacio, Martins, Zita, Matsuoka, Ayako, Matyjasiak, Barbara, Mazelle, Christian, Mazzotta Epifani, Elena, Meier, Mirko, Michaelis, Harald, Micheli, Marco, Migliorini, Alessandra, Millet, Aude-Lyse, Moreno, Fernando, Mottola, Stefano, Moutounaick, Bruno, Muinonen, Karri, Müller, Daniel R., Murakami, Go, Murata, Naofumi, Myszka, Kamil, Nakajima, Shintaro, Nemeth, Zoltan, Nikolajev, Artiom, Nordera, Simone, Ohlsson, Dan, Olesk, Aire, Ottacher, Harald, Ozaki, Naoya, Oziol, Christophe, Patel, Manish, Savio Paul, Aditya, Penttilä, Antti, Pernechele, Claudio, Peterson, Joakim, Petraglio, Enrico, Piccirillo, Alice Maria, Plaschke, Ferdinand, Polak, Szymon, Postberg, Frank, Proosa, Herman, Protopapa, Silvia, Puccio, Walter, Ranvier, Sylvain, Raymond, Sean, Richter, Ingo, Rieder, Martin, Rigamonti, Roberto, Ruiz Rodriguez, Irene, Santolik, Ondrej, Sasaki, Takahiro, Schrödter, Rolf, Shirley, Katherine, Slavinskis, Andris, Sodor, Balint, Soucek, Jan, Stephenson, Peter, Stöckli, Linus, Szewczyk, Paweł, Troznai, Gabor, Uhlir, Ludek, Usami, Naoto, Valavanoglou, Aris, Vaverka, Jakub, Wang, Wei, Wang, Xiao-Dong, Wattieaux, Gaëtan, Wieser, Martin, Wolf, Sebastian, Yano, Hajime, Yoshikawa, Ichiro, Zakharov, Vladimir, Zawistowski, Tomasz, Zuppella, Paola, Rinaldi, Giovanna, and Ji, Hantao

Published
2024
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7. Ariel: Enabling planetary science across light-years

Author

Tinetti, Giovanna, Eccleston, Paul, Haswell, Carole, Lagage, Pierre-Olivier, Leconte, Jérémy, Lüftinger, Theresa, Micela, Giusi, Min, Michel, Pilbratt, Göran, Puig, Ludovic, Swain, Mark, Testi, Leonardo, Turrini, Diego, Vandenbussche, Bart, Osorio, Maria Rosa Zapatero, Aret, Anna, Beaulieu, Jean-Philippe, Buchhave, Lars, Ferus, Martin, Griffin, Matt, Guedel, Manuel, Hartogh, Paul, Machado, Pedro, Malaguti, Giuseppe, Pallé, Enric, Rataj, Mirek, Ray, Tom, Ribas, Ignasi, Szabó, Robert, Tan, Jonathan, Werner, Stephanie, Ratti, Francesco, Scharmberg, Carsten, Salvignol, Jean-Christophe, Boudin, Nathalie, Halain, Jean-Philippe, Haag, Martin, Crouzet, Pierre-Elie, Kohley, Ralf, Symonds, Kate, Renk, Florian, Caldwell, Andrew, Abreu, Manuel, Alonso, Gustavo, Amiaux, Jerome, Berthé, Michel, Bishop, Georgia, Bowles, Neil, Carmona, Manuel, Coffey, Deirdre, Colomé, Josep, Crook, Martin, Désjonqueres, Lucile, Díaz, José J., Drummond, Rachel, Focardi, Mauro, Gómez, Jose M., Holmes, Warren, Krijger, Matthijs, Kovacs, Zsolt, Hunt, Tom, Machado, Richardo, Morgante, Gianluca, Ollivier, Marc, Ottensamer, Roland, Pace, Emanuele, Pagano, Teresa, Pascale, Enzo, Pearson, Chris, Pedersen, Søren Møller, Pniel, Moshe, Roose, Stéphane, Savini, Giorgio, Stamper, Richard, Szirovicza, Peter, Szoke, Janos, Tosh, Ian, Vilardell, Francesc, Barstow, Joanna, Borsato, Luca, Casewell, Sarah, Changeat, Quentin, Charnay, Benjamin, Civiš, Svatopluk, Foresto, Vincent Coudé du, Coustenis, Athena, Cowan, Nicolas, Danielski, Camilla, Demangeon, Olivier, Drossart, Pierre, Edwards, Billy N., Gilli, Gabriella, Encrenaz, Therese, Kiss, Csaba, Kokori, Anastasia, Ikoma, Masahiro, Morales, Juan Carlos, Mendonça, João, Moneti, Andrea, Mugnai, Lorenzo, Muñoz, Antonio García, Helled, Ravit, Kama, Mihkel, Miguel, Yamila, Nikolaou, Nikos, Pagano, Isabella, Panic, Olja, Rengel, Miriam, Rickman, Hans, Rocchetto, Marco, Sarkar, Subhajit, Selsis, Franck, Tennyson, Jonathan, Tsiaras, Angelos, Venot, Olivia, Vida, Krisztián, Waldmann, Ingo P., Yurchenko, Sergey, Szabó, Gyula, Zellem, Rob, Al-Refaie, Ahmed, Alvarez, Javier Perez, Anisman, Lara, Arhancet, Axel, Ateca, Jaume, Baeyens, Robin, Barnes, John R., Bell, Taylor, Benatti, Serena, Biazzo, Katia, Błęcka, Maria, Bonomo, Aldo Stefano, Bosch, José, Bossini, Diego, Bourgalais, Jeremy, Brienza, Daniele, Brucalassi, Anna, Bruno, Giovanni, Caines, Hamish, Calcutt, Simon, Campante, Tiago, Canestrari, Rodolfo, Cann, Nick, Casali, Giada, Casas, Albert, Cassone, Giuseppe, Cara, Christophe, Carone, Ludmila, Carrasco, Nathalie, Chioetto, Paolo, Cortecchia, Fausto, Czupalla, Markus, Chubb, Katy L., Ciaravella, Angela, Claret, Antonio, Claudi, Riccardo, Codella, Claudio, Comas, Maya Garcia, Cracchiolo, Gianluca, Cubillos, Patricio, Da Peppo, Vania, Decin, Leen, Dejabrun, Clemence, Delgado-Mena, Elisa, Di Giorgio, Anna, Diolaiti, Emiliano, Dorn, Caroline, Doublier, Vanessa, Doumayrou, Eric, Dransfield, Georgina, Dumaye, Luc, Dunford, Emma, Escobar, Antonio Jimenez, Van Eylen, Vincent, Farina, Maria, Fedele, Davide, Fernández, Alejandro, Fleury, Benjamin, Fonte, Sergio, Fontignie, Jean, Fossati, Luca, Funke, Bernd, Galy, Camille, Garai, Zoltán, García, Andrés, García-Rigo, Alberto, Garufi, Antonio, Sacco, Giuseppe Germano, Giacobbe, Paolo, Gómez, Alejandro, Gonzalez, Arturo, Gonzalez-Galindo, Francisco, Grassi, Davide, Griffith, Caitlin, Guarcello, Mario Giuseppe, Goujon, Audrey, Gressier, Amélie, Grzegorczyk, Aleksandra, Guillot, Tristan, Guilluy, Gloria, Hargrave, Peter, Hellin, Marie-Laure, Herrero, Enrique, Hills, Matt, Horeau, Benoit, Ito, Yuichi, Jessen, Niels Christian, Kabath, Petr, Kálmán, Szilárd, Kawashima, Yui, Kimura, Tadahiro, Knížek, Antonín, Kreidberg, Laura, Kruid, Ronald, Kruijssen, Diederik J. M., Kubelík, Petr, Lara, Luisa, Lebonnois, Sebastien, Lee, David, Lefevre, Maxence, Lichtenberg, Tim, Locci, Daniele, Lombini, Matteo, Lopez, Alejandro Sanchez, Lorenzani, Andrea, MacDonald, Ryan, Magrini, Laura, Maldonado, Jesus, Marcq, Emmanuel, Migliorini, Alessandra, Modirrousta-Galian, Darius, Molaverdikhani, Karan, Molinari, Sergio, Mollière, Paul, Moreau, Vincent, Morello, Giuseppe, Morinaud, Gilles, Morvan, Mario, Moses, Julianne I., Mouzali, Salima, Nakhjiri, Nariman, Naponiello, Luca, Narita, Norio, Nascimbeni, Valerio, Nikolaou, Athanasia, Noce, Vladimiro, Oliva, Fabrizio, Palladino, Pietro, Papageorgiou, Andreas, Parmentier, Vivien, Peres, Giovanni, Pérez, Javier, Perez-Hoyos, Santiago, Perger, Manuel, Pestellini, Cesare Cecchi, Petralia, Antonino, Philippon, Anne, Piccialli, Arianna, Pignatari, Marco, Piotto, Giampaolo, Podio, Linda, Polenta, Gianluca, Preti, Giampaolo, Pribulla, Theodor, Puertas, Manuel Lopez, Rainer, Monica, Reess, Jean-Michel, Rimmer, Paul, Robert, Séverine, Rosich, Albert, Rossi, Loic, Rust, Duncan, Saleh, Ayman, Sanna, Nicoletta, Schisano, Eugenio, Schreiber, Laura, Schwartz, Victor, Scippa, Antonio, Seli, Bálint, Shibata, Sho, Simpson, Caroline, Shorttle, Oliver, Skaf, N., Skup, Konrad, Sobiecki, Mateusz, Sousa, Sergio, Sozzetti, Alessandro, Šponer, Judit, Steiger, Lukas, Tanga, Paolo, Tackley, Paul, Taylor, Jake, Tecza, Matthias, Terenzi, Luca, Tremblin, Pascal, Tozzi, Andrea, Triaud, Amaury, Trompet, Loïc, Tsai, Shang-Min, Tsantaki, Maria, Valencia, Diana, Vandaele, Ann Carine, Van der Swaelmen, Mathieu, Vardan, Adibekyan, Vasisht, Gautam, Vazan, Allona, Del Vecchio, Ciro, Waltham, Dave, Wawer, Piotr, Widemann, Thomas, Wolkenberg, Paulina, Yip, Gordon Hou, Yung, Yuk, Zilinskas, Mantas, Zingales, Tiziano, and Zuppella, Paola

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Abstract

Ariel, the Atmospheric Remote-sensing Infrared Exoplanet Large-survey, was adopted as the fourth medium-class mission in ESA's Cosmic Vision programme to be launched in 2029. During its 4-year mission, Ariel will study what exoplanets are made of, how they formed and how they evolve, by surveying a diverse sample of about 1000 extrasolar planets, simultaneously in visible and infrared wavelengths. It is the first mission dedicated to measuring the chemical composition and thermal structures of hundreds of transiting exoplanets, enabling planetary science far beyond the boundaries of the Solar System. The payload consists of an off-axis Cassegrain telescope (primary mirror 1100 mm x 730 mm ellipse) and two separate instruments (FGS and AIRS) covering simultaneously 0.5-7.8 micron spectral range. The satellite is best placed into an L2 orbit to maximise the thermal stability and the field of regard. The payload module is passively cooled via a series of V-Groove radiators; the detectors for the AIRS are the only items that require active cooling via an active Ne JT cooler. The Ariel payload is developed by a consortium of more than 50 institutes from 16 ESA countries, which include the UK, France, Italy, Belgium, Poland, Spain, Austria, Denmark, Ireland, Portugal, Czech Republic, Hungary, the Netherlands, Sweden, Norway, Estonia, and a NASA contribution., Comment: Ariel Definition Study Report, 147 pages. Reviewed by ESA Science Advisory Structure in November 2020. Original document available at: https://www.cosmos.esa.int/documents/1783156/3267291/Ariel_RedBook_Nov2020.pdf/

Published
2021

8. Qualification of the thermal stabilization, polishing and coating procedures for the aluminum telescope mirrors of the ARIEL mission

Author

Chioetto, Paolo, Zuppella, Paola, Da Deppo, Vania, Pace, Emanuele, Morgante, Gianluca, Terenzi, Luca, Brienza, Daniele, Missaglia, Nadia, Bianucci, Giovanni, Spinelli, Sebastiano, Guerriero, Elisa, Rossi, Massimiliano, Grèzes-Besset, Catherine, Bondet, Colin, Chauveau, Grégory, Porta, Caroline, Malaguti, Giuseppe, and Micela, Giuseppina

Published
2022
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13. The electrical design of the thermal control systems of the all-aluminum ARIEL telescope

Author

Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Noce, Vladimiro, Focardi, Mauro, Merola, Pierpaolo, Tozzi, Andrea, Picchi, Paolo, Zuppella, Paola, Chioetto, Paolo, Perez Alvarez, Javier, Garcia Moreno, Laura, Fernandez Soler, Alejandro, Morgante, Gianluca, Rosadi, Fausto, Nannucci, Ottavio, Barozzi, Umberto, Paternoster, Andrea, Pace, Emanuele, Preti, Giampaolo, Eccleston, Paul, Fahmy, Salma, Caldwell, Andrew, Desjonqueres, Lucile, Brienza, Daniele, Jollet, Delphine, Micela, Giuseppina, Malaguti, Giuseppe, and Tinetti, Giovanna

Published
2024
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14. Planning the integration and test of a space telescope with a 1 m aluminum primary mirror: the Ariel mission case

Author

Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Chioetto, Paolo, Araiza-Durán, José Antonio, Barozzi, Umberto, Barubiani, Lorenzo, Bishop, Georgia, Bocchieri, Andrea, Brienza, Daniele, Brucalassi, Anna, Burresi, Matteo, Caldwell, Andrew, Caldwell, Martin, Cortecchia, Fausto, D'Anca, Fabio, Desjonqueres, Lucile, Di Giampietro, Marco, Diolaiti, Emiliano, Eccleston, Paul, Fernández-Soler, Alejandro, Ferruzzi, Debora, Fossati, Enrico, Galy, Camille, Garcia Pérez, Andrés, Grisoni, Gabriele, Gottini, Daniele, Guerriero, Elisa, Hellin, Marie-Laure, Jacques, Lionel, Lilli, Riccardo, Maddii Fabiani, Lorenzo, Malaguti, Giuseppe, Micela, Giuseppina, Miceli, Federico, Pace, Emanuele, Pascale, Enzo, Paternoster, Andrea, Pérez Álvarez, Javier, Piazzolla, Raffaele, Picchi, Paolo, Pompei, Carlo, Preti, Giampaolo, Roose, Stéphane, Salatti, Mario, Scippa, Antonio, Tinetti, Giovanna, Tommasi, Elisabetta, Tommasi, Leonardo, Tozzi, Andrea, Vernani, Dervis, Ypi, Ines, and Zuppella, Paola

Published
2024
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15. Development, manufacturing, and testing of Ariel’s structural model prototype flexure hinges

Author

Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., D'Anca, Fabio, Scippa, Antonio, Guerriero, Elisa, Lilli, Riccardo, Gottini, Daniele, Picchi, Paolo, Tozzi, Andrea, Bocchieri, Andrea, Pascale, Enzo, Chioetto, Paolo, Zuppella, Paola, Preti, Giampaolo, Pace, Emanuele, Cortecchia, Fausto, Malaguti, Giuseppe, Diolaiti, Emiliano, Collura, Alfonso, Micela, Giuseppina, Filizzolo, Maurizio, Barbui, Stefania, Vernani, Dervis, Terraneo, Marco, Brienza, Daniele, Piazzolla, Raffaele, Salatti, Mario, Tommasi, Elisabetta, Caldwell, Andrew, Eccleston, Paul, and Tinetti, Giovanna

Published
2024
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16. The telescope assembly of the Ariel space mission: an updated overview

Author

Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Pace, Emanuele, Adler Abreu, Manuel, Alonso, Gustavo, Barroqueiro, Bruno, Bocchieri, Andrea, Brienza, Daniele, Brucalassi, Anna, Chioetto, Paolo, Compostizo, Carlos, Cortecchia, Fausto, D'Anca, Fabio, Del Vecchio, Ciro, Diolaiti, Emiliano, Eccleston, Paul, Fahmy, Salma, Fernandes, Jose, Fernandez Soler, Alejandro, Ferruzzi, Debora, Focardi, Mauro, Freitas, Sara, Galy, Camille, Garcia Moreno, Laura, Garcia Perez, Andres, Gottini, Daniele, Guerriero, Elisa, Halain, Jean-Philippe, Hellin, Marie-Laure, Jollet, Delphine, Lilli, Riccardo, Malaguti, Giuseppe, Martì, Laura, Mazzoli, Alexandra, Micela, Giuseppina, Morgante, Gianluca, Naponiello, Luca, Noce, Vladimiro, Pascale, Enzo, Perez Alvarez, Javier, Piazzolla, Raffaele, Picchi, Paolo, Preti, Giampaolo, Roose, Stephane, Salatti, Mario, Salvignol, Jean-Christophe, Scippa, Antonio, Serre, Christophe, Terenzi, Luca, Tinetti, Giovanna, Di Vignano, Elisabetta Tommasi, Tozzi, Andrea, Vandenbussche, Bart, and Zuppella, Paola

Published
2024
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17. The Ariel payload design post-PDR

Author

Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Eccleston, Paul, Caldwell, Andrew, Bishop, Georgia, Desjonqueres, Lucile, Drummond, Rachel, Davidson, Alex, Whalley, Martin, Caldwell, Martin, Pearson, Chris, Simpson, Caroline, Fok, Sandy, Bruzzi, Davide, Davies, Alex, Anderson, Mark, Umesh, Pranav, Pascale, Enzo, Morgante, Gianluca, Focardi, Mauro, Savini, Giorgio, Ollivier, Marc, Rataj, Miroslaw, Malaguti, Giuseppe, Tinetti, Giovanna, Tozzi, Andrea, Chioetto, Paolo, Pace, Emanuele, Zuppella, Paola, Preti, Giampaolo, Serre, Christophe, Gomez, Jose M., Alonso, Gustavo, Perez, Javier, Bowles, Neil, Nowicki, Keith, Martignac, Jérôme, Berthé, Michel, Danto, Pascale, Crook, Martin, Hills, Matthew, Padley, Charles, Makinen, Semu, Kovacs, Zsolt, Szoke, Janos, Szirovicza, Peter, Sobiecki, Mateusz, Skup, Konrad, Wawer, Piotr, Ottensamer, Roland, Holmes, Warren, Goullioud, Renaud, Czupalla, Markus, Jessen, Niels Christian, Pedersen, Soren, Ray, Tom, Coffey, Deirdre, Steiger, Lukas, Compostizo, Carlos, Machado, Ricardo, Bocchieri, Andrea, Mugnai, Lorenzo, Birkmann, Stephan, Fahmy, Salma, Puig, Ludovic, Jollet, Delphine, Svedevall, Anders, Tirolien, Thierry, Salvignol, Jean-Christophe, and Halain, Jean-Philippe

Published
2024
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18. Coronal Heating Rate in the Slow Solar Wind

Author

Telloni, Daniele, primary, Romoli, Marco, additional, Velli, Marco, additional, Zank, Gary P., additional, Adhikari, Laxman, additional, Downs, Cooper, additional, Burtovoi, Aleksandr, additional, Susino, Roberto, additional, Spadaro, Daniele, additional, Zhao, Lingling, additional, Liberatore, Alessandro, additional, Shi, Chen, additional, De Leo, Yara, additional, Abbo, Lucia, additional, Frassati, Federica, additional, Jerse, Giovanna, additional, Landini, Federico, additional, Nicolini, Gianalfredo, additional, Pancrazzi, Maurizio, additional, Russano, Giuliana, additional, Sasso, Clementina, additional, Andretta, Vincenzo, additional, Da Deppo, Vania, additional, Fineschi, Silvano, additional, Grimani, Catia, additional, Heinzel, Petr, additional, Moses, John D., additional, Naletto, Giampiero, additional, Stangalini, Marco, additional, Teriaca, Luca, additional, Uslenghi, Michela, additional, Berlicki, Arkadiusz, additional, Bruno, Roberto, additional, Capobianco, Gerardo, additional, Capuano, Giuseppe E., additional, Casini, Chiara, additional, Casti, Marta, additional, Chioetto, Paolo, additional, Corso, Alain J., additional, D’Amicis, Raffaella, additional, Fabi, Michele, additional, Frassetto, Fabio, additional, Giarrusso, Marina, additional, Giordano, Silvio, additional, Guglielmino, Salvo L., additional, Magli, Enrico, additional, Massone, Giuseppe, additional, Messerotti, Mauro, additional, Nisticò, Giuseppe, additional, Pelizzo, Maria G., additional, Reale, Fabio, additional, Romano, Paolo, additional, Schühle, Udo, additional, Solanki, Sami K., additional, Straus, Thomas, additional, Ventura, Rita, additional, Volpicelli, Cosimo A., additional, Zangrilli, Luca, additional, Zimbardo, Gaetano, additional, Zuppella, Paola, additional, Bale, Stuart D., additional, and Kasper, Justin C., additional

Published
2023
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19. Long term durability of protected silver coating for the mirrors of Ariel mission telescope

Author

Chioetto, Paolo, primary, Brienza, Daniele, additional, Canestrari, Rodolfo, additional, Eccleston, Paul, additional, Guerriero, Elisa, additional, Malaguti, Giuseppe, additional, Micela, Giuseppina, additional, Pace, Emanuele, additional, Pascale, Enzo, additional, Piazzolla, Raffaele, additional, Preti, Giampaolo, additional, Salatti, Mario, additional, Tinetti, Giovanna, additional, Tommasi, Elisabetta, additional, Tozzi, Andrea, additional, and Zuppella, Paola, additional

Published
2023
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21. Design of the EnVisS instrument optical head

Author

Tofani, Beatrice, primary, Gabrieli, Riccardo, additional, Impiccichè, Giuseppe, additional, Graziosi, Chiara, additional, Tommasi, Leonardo, additional, Labate, Demetrio, additional, Belli, Fabio, additional, Cicciarelli, Chiara, additional, Pernechele, Claudio, additional, Zuppella, Paola, additional, Chioetto, Paolo, additional, Nordera, Simone, additional, Jones, Geraint H., additional, Brydon, George, additional, Stankov, Anamarija, additional, Della Corte, Vincenzo, additional, and Da Deppo, Vania, additional

Published
2023
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22. Out-of-focus point sources image simulation for the Metis solar coronagraph onboard the Solar Orbiter mission

Author

Da Deppo, Vania, primary, Casini, Chiara, additional, Chioetto, Paolo, additional, Frassetto, Fabio, additional, Nordera, Simone, additional, Zuppella, Paola, additional, Corso, Alain J., additional, Landini, Federico, additional, Pancrazzi, Maurizio, additional, Susino, Roberto, additional, Sasso, Clementina, additional, Uslenghi, Michela, additional, Romoli, Marco, additional, Andretta, Vincenzo, additional, Fineschi, Silvano, additional, Naletto, Giampiero, additional, Nicolini, Gianalfredo, additional, Spadaro, Daniele, additional, Stangalini, Marco, additional, Teriaca, Luca, additional, Abbo, Lucia, additional, Grimani, Catia, additional, Burtovoi, Aleksandr, additional, De Leo, Yara, additional, Fabi, Michele, additional, Frassati, Federica, additional, Jerse, Giovanna, additional, and Russano, Giuliana, additional

Published
2023
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23. In flight stray light estimate for the Solar Orbiter/Metis coronagraph

Author

Landini, Federico, primary, Romoli, Marco, additional, Nicolini, Gianalfredo, additional, Frassetto, Fabio, additional, Susino, Roberto, additional, Abbo, Lucia, additional, Andretta, Vincenzo, additional, Burtovoi, Aleksandr, additional, Casini, Chiara, additional, Chioetto, Paolo, additional, Corso, Alain J., additional, Da Deppo, Vania, additional, De Leo, Yara, additional, Fabi, Michele, additional, Fineschi, Silvano, additional, Frassati, Federica, additional, Grimani, Catia, additional, Heinzel, Petr, additional, Jerse, Giovanna, additional, Liberatore, Alessandro, additional, Naletto, Giampiero, additional, Pancrazzi, Maurizio, additional, Russano, Giuliana, additional, Sasso, Clementina, additional, Spadaro, Daniele, additional, Stangalini, Marco, additional, Telloni, Daniele, additional, Teriaca, Luca, additional, Uslenghi, Michela, additional, Volpicelli, Cosimo A., additional, and Zuppella, Paola, additional

Published
2023
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25. Observation of a Magnetic Switchback in the Solar Corona

Author

Telloni, Daniele, primary, Zank, Gary P., additional, Stangalini, Marco, additional, Downs, Cooper, additional, Liang, Haoming, additional, Nakanotani, Masaru, additional, Andretta, Vincenzo, additional, Antonucci, Ester, additional, Sorriso-Valvo, Luca, additional, Adhikari, Laxman, additional, Zhao, Lingling, additional, Marino, Raffaele, additional, Susino, Roberto, additional, Grimani, Catia, additional, Fabi, Michele, additional, D’Amicis, Raffaella, additional, Perrone, Denise, additional, Bruno, Roberto, additional, Carbone, Francesco, additional, Mancuso, Salvatore, additional, Romoli, Marco, additional, Deppo, Vania Da, additional, Fineschi, Silvano, additional, Heinzel, Petr, additional, Moses, John D., additional, Naletto, Giampiero, additional, Nicolini, Gianalfredo, additional, Spadaro, Daniele, additional, Teriaca, Luca, additional, Frassati, Federica, additional, Jerse, Giovanna, additional, Landini, Federico, additional, Pancrazzi, Maurizio, additional, Russano, Giuliana, additional, Sasso, Clementina, additional, Biondo, Ruggero, additional, Burtovoi, Aleksandr, additional, Capuano, Giuseppe E., additional, Casini, Chiara, additional, Casti, Marta, additional, Chioetto, Paolo, additional, Leo, Yara De, additional, Giarrusso, Marina, additional, Liberatore, Alessandro, additional, Berghmans, David, additional, Auchère, Frédéric, additional, Cuadrado, Regina Aznar, additional, Chitta, Lakshmi P., additional, Harra, Louise, additional, Kraaikamp, Emil, additional, Long, David M., additional, Mandal, Sudip, additional, Parenti, Susanna, additional, Pelouze, Gabriel, additional, Peter, Hardi, additional, Rodriguez, Luciano, additional, Schühle, Udo, additional, Schwanitz, Conrad, additional, Smith, Phil J., additional, Verbeeck, Cis, additional, and Zhukov, Andrei N., additional

Published
2022
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26. In-flight Metis radiometric performance verification using the light retro-reflected from its door

Author

Casini, Chiara, primary, Da Deppo, Vania, additional, Zuppella, Paola, additional, Chioetto, Paolo, additional, Frassetto, Fabio, additional, Romoli, Marco, additional, Landini, Federico, additional, Pancrazzi, Maurizio, additional, Andretta, Vincenzo, additional, De Leo, Yara, additional, Bemporad, Alessandro, additional, Corso, Alain Jodi, additional, Fabi, Michele, additional, Fineschi, Silvano, additional, Frassati, Federica, additional, Grimani, Catia, additional, Jerse, Giovanna, additional, Heerlein, Klaus, additional, Liberatore, Alessandro, additional, Magli, Enrico, additional, Naletto, Giampiero, additional, Nicolini, Giana, additional, Pelizzo, Maria Guglielmina, additional, Romano, Paolo, additional, Sasso, Clementina, additional, Schuehle, Udo, additional, Spadaro, Daniele, additional, Stangalini, Marco, additional, Straus, Thomas, additional, Susino, Roberto, additional, Teriaca, Luca, additional, Uslenghi, Michela, additional, Casti, Marta, additional, Heinzel, Petr, additional, and Volpicelli, Cosimo Antonio, additional

Published
2022
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27. Ghost analysis of the EnVisS camera for the Comet Interceptor ESA mission

Author

Nordera, Simone, primary, Da Deppo, Vania, additional, Zuppella, Paola, additional, Chioetto, Paolo, additional, Della Corte, Vincenzo, additional, Pernechele, Claudio, additional, Barozzi, Umberto, additional, Gabrieli, Riccardo, additional, Impiccichè, Giuseppe, additional, Labate, Demetrio, additional, Tofani, Beatrice, additional, and Tommasi, Leonardo, additional

Published
2022
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28. Preliminary analysis of ground-to-flight mechanical tolerances of the Ariel mission telescope

Author

Chioetto, Paolo, primary, Tozzi, Andrea, additional, Brucalassi, Anna, additional, Ferruzzi, Debora, additional, Caldwell, Andrew, additional, Caldwell, Martin, additional, Cortecchia, Fausto, additional, Diolaiti, Emiliano, additional, Eccleston, Paul, additional, Guerriero, Elisa, additional, Lombini, Matteo, additional, Malaguti, Giuseppe, additional, Micela, Giuseppina, additional, Pace, Emanuele, additional, Pascale, Enzo, additional, Piazzolla, Raffaele, additional, Preti, Giampaolo, additional, Salatti, Mario, additional, Tinetti, Giovanna, additional, Tommasi, Elisabetta, additional, and Zuppella, Paola, additional

Published
2022
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29. Heat treatment procedure of the aluminium 6061-T651 for the Ariel telescope mirrors.

Author

Guerriero, Elisa, primary, Chioetto, Paolo, additional, Tozzi, Andrea, additional, Zuppella, Paola, additional, Canestrari, Rodolfo, additional, Brucalassi, Anna, additional, Iuzzolino, Marcella, additional, Ferruzzi, Debora, additional, Scippa, Antonio, additional, Del Vecchio, Ciro, additional, Falcini, Gilberto, additional, Carbonaro, Luca, additional, Morgante, Gianluca, additional, Cortecchia, Fausto, additional, Diolaiti, Emiliano, additional, Eccleston, Paul, additional, Lombini, Matteo, additional, Malaguti, Giuseppe, additional, Micela, Giuseppina, additional, Pace, Emanuele, additional, Pascale, Enzo, additional, Piazzolla, Raffaele, additional, Preti, Giampaolo, additional, Salatti, Mario, additional, Tinetti, Giovanna, additional, and Tommasi, Elisabetta, additional

Published
2022
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30. Toward ARIEL’s primary mirror

Author

Tozzi, Andrea, primary, Brucalassi, Anna, additional, Canestrari, Rodolfo, additional, Chioetto, Paolo, additional, Del Vecchio, Ciro, additional, Carbonaro, Luca, additional, Cortecchia, Fausto, additional, Diolaiti, Emiliano, additional, Eccleston, Paul, additional, Falcini, Gilberto, additional, Ferruzzi, Debora, additional, Gottini, Daniele, additional, Guerriero, Elisa, additional, Iuzzolino, Marcella, additional, Lilli, Riccardo, additional, Lombini, Matteo, additional, Malaguti, Giuseppe, additional, Micela, Giuseppina, additional, Miceli, Federico, additional, Morgante, Gianluca, additional, Pace, Emanuele, additional, Pascale, Enzo, additional, Piazzolla, Raffaele, additional, Preti, Giampaolo, additional, Salatti, Mario, additional, Scippa, Antonio, additional, Tinetti, Giovanna, additional, Tommasi, Elisabetta, additional, Vernani, Dervis, additional, and Zuppella, Paola, additional

Published
2022
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31. Optimization of the Ariel primary mirror

Author

Del Vecchio, Ciro, primary, Carbonaro, Luca, additional, Brucalassi, Anna, additional, Tozzi, Andrea, additional, Gottini, Daniele, additional, Scippa, Antonio, additional, Pace, Emanuele, additional, Malaguti, Giuseppe, additional, Micela, Giuseppina, additional, Morgante, Giuanluca, additional, Focardi, Mauro, additional, Pascale, Enzo, additional, Preti, Giampaolo, additional, Zuppella, Paola, additional, Salatti, Mario, additional, Piazzolla, Raffaele, additional, Tommasi, Elisabetta, additional, Naponiello, Luca, additional, and Chioetto, Paolo, additional

Published
2022
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32. FEA testing the pre-flight Ariel primary mirror

Author

Gottini, Daniele, primary, Pace, Emanuele, additional, Tozzi, Andrea, additional, Bianucci, Giovanni, additional, Bocchieri, Andrea, additional, Brienza, Daniele, additional, Brucalassi, Anna, additional, Canestrari, Rodolfo, additional, Carbonaro, Luca, additional, Chioetto, Paolo, additional, Cortecchia, Fausto, additional, Del Vecchio, Ciro, additional, Diolaiti, Emiliano, additional, Eccleston, Paul, additional, Fahmy, Salma, additional, Ferruzzi, Debora, additional, Galy, Camille, additional, Grisoni, Gabriele, additional, Guerriero, Elisa, additional, Halain, Jean-Philippe, additional, Hellin, Marie-Laure, additional, Iuzzolino, Marcella, additional, Jollet, Delphine, additional, Lombini, Matteo, additional, Malaguti, Giuseppe, additional, Micela, Giuseppina, additional, Missaglia, Nadia, additional, Morgante, Gianluca, additional, Mugnai, Lorenzo, additional, Naponiello, Luca, additional, Pascale, Enzo, additional, Piazzolla, Raffaele, additional, Preti, Giampaolo, additional, Roose, Stephane, additional, Salatti, Mario, additional, Salvignol, Jean-Christophe, additional, Scippa, Antonio, additional, Terenzi, Luca, additional, Tinetti, Giovanna, additional, Tommasi Di Vigano, Elisabetta, additional, and Zuppella, Paola, additional

Published
2022
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33. The telescope assembly of the Ariel space mission

Author

Pace, Emanuele, primary, Tozzi, Andrea, additional, Adler Abreu, Manuel, additional, Alonso, Gustavo, additional, Barroqueiro, Bruno, additional, Bianucci, Giovanni, additional, Bocchieri, Andrea, additional, Brienza, Daniele, additional, Brucalassi, Anna, additional, Burresi, Matteo, additional, Canestrari, Rodolfo, additional, Carbonaro, Luca, additional, Castanheira, João, additional, Chioetto, Paolo, additional, Colomé Ferrer, Josep, additional, Compostizo, Carlos, additional, Cortecchia, Fausto, additional, D'Anca, Fabio, additional, Del Vecchio, Ciro, additional, Diolaiti, Emiliano, additional, Eccleston, Paul, additional, Fahmy, Salma, additional, Fernandez Soler, Alejandro, additional, Ferruzzi, Debora, additional, Focardi, Mauro, additional, Freitas, Sara, additional, Galy, Camille, additional, Garcia Perez, Andres, additional, Gottini, Daniele, additional, Grella, Samuele, additional, Grisoni, Gabriele, additional, Guerriero, Elisa, additional, Halain, Jean-Philippe, additional, Hellin, Marie-Laure, additional, Ianni, Lucia, additional, Iuzzolino, Marcella, additional, Jollet, Delphine, additional, Lombini, Matteo, additional, Machado, Ricardo, additional, Malaguti, Giuseppe, additional, Mazzoli, Alexandra, additional, Micela, Giuseppina, additional, Miceli, Federico, additional, Mondello, Giuseppe, additional, Morgante, Gianluca, additional, Mugnai, Lorenzo, additional, Naponiello, Luca, additional, Noce, Vladmiro, additional, Pascale, Enzo, additional, Perez Alvarez, Javier, additional, Piazzolla, Raffaele, additional, Pompei, Carlo, additional, Preti, Giampaolo, additional, Roose, Stephane, additional, Salatti, Mario, additional, Salvignol, Jean-Christophe, additional, Scippa, Antonio, additional, Serre, Christophe, additional, Simoncelli, Carlo, additional, Teixeira, Frederico, additional, Terenzi, Luca, additional, Tinetti, Giovanna, additional, Tommasi, Leonardo, additional, Tommasi Di Vigano, Elisabetta, additional, Vandenbussche, Bart, additional, Vernani, Dervis, additional, and Zuppella, Paola, additional

Published
2022
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34. Linking Small-scale Solar Wind Properties with Large-scale Coronal Source Regions through Joint Parker Solar Probe–Metis/Solar Orbiter Observations

Author

Telloni, Daniele, primary, Zank, Gary P., additional, Sorriso-Valvo, Luca, additional, D’Amicis, Raffaella, additional, Panasenco, Olga, additional, Susino, Roberto, additional, Bruno, Roberto, additional, Perrone, Denise, additional, Adhikari, Laxman, additional, Liang, Haoming, additional, Nakanotani, Masaru, additional, Zhao, Lingling, additional, Hadid, Lina Z., additional, Sánchez-Cano, Beatriz, additional, Verscharen, Daniel, additional, Velli, Marco, additional, Grimani, Catia, additional, Marino, Raffaele, additional, Carbone, Francesco, additional, Mancuso, Salvatore, additional, Biondo, Ruggero, additional, Pagano, Paolo, additional, Reale, Fabio, additional, Bale, Stuart D., additional, Kasper, Justin C., additional, Case, Anthony W., additional, de Wit, Thierry Dudok, additional, Goetz, Keith, additional, Harvey, Peter R., additional, Korreck, Kelly E., additional, Larson, Davin, additional, Livi, Roberto, additional, MacDowall, Robert J., additional, Malaspina, David M., additional, Pulupa, Marc, additional, Stevens, Michael L., additional, Whittlesey, Phyllis, additional, Romoli, Marco, additional, Andretta, Vincenzo, additional, Deppo, Vania Da, additional, Fineschi, Silvano, additional, Heinzel, Petr, additional, Moses, John D., additional, Naletto, Giampiero, additional, Nicolini, Gianalfredo, additional, Spadaro, Daniele, additional, Stangalini, Marco, additional, Teriaca, Luca, additional, Capobianco, Gerardo, additional, Capuano, Giuseppe E., additional, Casini, Chiara, additional, Casti, Marta, additional, Chioetto, Paolo, additional, Corso, Alain J., additional, Leo, Yara De, additional, Fabi, Michele, additional, Frassati, Federica, additional, Frassetto, Fabio, additional, Giordano, Silvio, additional, Guglielmino, Salvo L., additional, Jerse, Giovanna, additional, Landini, Federico, additional, Liberatore, Alessandro, additional, Magli, Enrico, additional, Massone, Giuseppe, additional, Messerotti, Mauro, additional, Pancrazzi, Maurizio, additional, Pelizzo, Maria G., additional, Romano, Paolo, additional, Sasso, Clementina, additional, Schühle, Udo, additional, Slemer, Alessandra, additional, Straus, Thomas, additional, Uslenghi, Michela, additional, Volpicelli, Cosimo A., additional, Zangrilli, Luca, additional, Zuppella, Paola, additional, Abbo, Lucia, additional, Auchère, Frédéric, additional, Cuadrado, Regina Aznar, additional, Berlicki, Arkadiusz, additional, Ciaravella, Angela, additional, Lamy, Philippe, additional, Lanzafame, Alessandro, additional, Malvezzi, Marco, additional, Nicolosi, Piergiorgio, additional, Nisticò, Giuseppe, additional, Peter, Hardi, additional, Solanki, Sami K., additional, Strachan, Leonard, additional, Tsinganos, Kanaris, additional, Ventura, Rita, additional, Vial, Jean-Claude, additional, Woch, Joachim, additional, and Zimbardo, Gaetano, additional

Published
2022
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35. Linking Small-scale Solar Wind Properties with Large-scale Coronal Source Regions through Joint Parker Solar Probe-Metis/Solar Orbiter Observations

Author

Telloni, Daniele, Zank, Gary P., Sorriso-Valvo, Luca, D'Amicis, Raffaella, Panasenco, Olga, Susino, Roberto, Bruno, Roberto, Perrone, Denise, Adhikari, Laxman, Liang, Haoming, Nakanotani, Masaru, Zhao, Lingling, Hadid, Lina Z., Sanchez-Cano, Beatriz, Verscharen, Daniel, Velli, Marco, Grimani, Catia, Marino, Raffaele, Carbone, Francesco, Mancuso, Salvatore, Biondo, Ruggero, Pagano, Paolo, Reale, Fabio, Bale, Stuart D., Kasper, Justin C., Case, Anthony W., de Wit, Thierry Dudok, Goetz, Keith, Harvey, Peter R., Korreck, Kelly E., Larson, Davin, Livi, Roberto, MacDowall, Robert J., Malaspina, David M., Pulupa, Marc, Stevens, Michael L., Whittlesey, Phyllis, Romoli, Marco, Andretta, Vincenzo, Da Deppo, Vania, Fineschi, Silvano, Heinzel, Petr, Moses, John D., Naletto, Giampiero, Nicolini, Gianalfredo, Spadaro, Daniele, Stangalini, Marco, Teriaca, Luca, Capobianco, Gerardo, Capuano, Giuseppe E., Casini, Chiara, Casti, Marta, Chioetto, Paolo, Corso, Alain J., De Leo, Yara, Fabi, Michele, Frassati, Federica, Frassetto, Fabio, Giordano, Silvio, Guglielmino, Salvo L., Jerse, Giovanna, Landini, Federico, Liberatore, Alessandro, Magli, Enrico, Massone, Giuseppe, Messerotti, Mauro, Pancrazzi, Maurizio, Pelizzo, Maria G., Romano, Paolo, Sasso, Clementina, Schuhle, Udo, Slemer, Alessandra, Straus, Thomas, Uslenghi, Michela, Volpicelli, Cosimo A., Zangrilli, Luca, Zuppella, Paola, Abbo, Lucia, Auchere, Frederic, Cuadrado, Regina Aznar, Berlicki, Arkadiusz, Ciaravella, Angela, Lamy, Philippe, Lanzafame, Alessandro, Malvezzi, Marco, Nicolosi, Piergiorgio, Nistico, Giuseppe, Peter, Hardi, Solanki, Sami K., Strachan, Leonard, Tsinganos, Kanaris, Ventura, Rita, Vial, Jean-Claude, Woch, Joachim, Zimbardo, Gaetano, Telloni, Daniele, Zank, Gary P., Sorriso-Valvo, Luca, D'Amicis, Raffaella, Panasenco, Olga, Susino, Roberto, Bruno, Roberto, Perrone, Denise, Adhikari, Laxman, Liang, Haoming, Nakanotani, Masaru, Zhao, Lingling, Hadid, Lina Z., Sanchez-Cano, Beatriz, Verscharen, Daniel, Velli, Marco, Grimani, Catia, Marino, Raffaele, Carbone, Francesco, Mancuso, Salvatore, Biondo, Ruggero, Pagano, Paolo, Reale, Fabio, Bale, Stuart D., Kasper, Justin C., Case, Anthony W., de Wit, Thierry Dudok, Goetz, Keith, Harvey, Peter R., Korreck, Kelly E., Larson, Davin, Livi, Roberto, MacDowall, Robert J., Malaspina, David M., Pulupa, Marc, Stevens, Michael L., Whittlesey, Phyllis, Romoli, Marco, Andretta, Vincenzo, Da Deppo, Vania, Fineschi, Silvano, Heinzel, Petr, Moses, John D., Naletto, Giampiero, Nicolini, Gianalfredo, Spadaro, Daniele, Stangalini, Marco, Teriaca, Luca, Capobianco, Gerardo, Capuano, Giuseppe E., Casini, Chiara, Casti, Marta, Chioetto, Paolo, Corso, Alain J., De Leo, Yara, Fabi, Michele, Frassati, Federica, Frassetto, Fabio, Giordano, Silvio, Guglielmino, Salvo L., Jerse, Giovanna, Landini, Federico, Liberatore, Alessandro, Magli, Enrico, Massone, Giuseppe, Messerotti, Mauro, Pancrazzi, Maurizio, Pelizzo, Maria G., Romano, Paolo, Sasso, Clementina, Schuhle, Udo, Slemer, Alessandra, Straus, Thomas, Uslenghi, Michela, Volpicelli, Cosimo A., Zangrilli, Luca, Zuppella, Paola, Abbo, Lucia, Auchere, Frederic, Cuadrado, Regina Aznar, Berlicki, Arkadiusz, Ciaravella, Angela, Lamy, Philippe, Lanzafame, Alessandro, Malvezzi, Marco, Nicolosi, Piergiorgio, Nistico, Giuseppe, Peter, Hardi, Solanki, Sami K., Strachan, Leonard, Tsinganos, Kanaris, Ventura, Rita, Vial, Jean-Claude, Woch, Joachim, and Zimbardo, Gaetano

Abstract

The solar wind measured in situ by Parker Solar Probe in the very inner heliosphere is studied in combination with the remote-sensing observation of the coronal source region provided by the METIS coronagraph aboard Solar Orbiter. The coronal outflows observed near the ecliptic by Metis on 2021 January 17 at 16:30 UT, between 3.5 and 6.3 R (circle dot) above the eastern solar limb, can be associated with the streams sampled by PSP at 0.11 and 0.26 au from the Sun, in two time intervals almost 5 days apart. The two plasma flows come from two distinct source regions, characterized by different magnetic field polarity and intensity at the coronal base. It follows that both the global and local properties of the two streams are different. Specifically, the solar wind emanating from the stronger magnetic field region has a lower bulk flux density, as expected, and is in a state of well-developed Alfvenic turbulence, with low intermittency. This is interpreted in terms of slab turbulence in the context of nearly incompressible magnetohydrodynamics. Conversely, the highly intermittent and poorly developed turbulent behavior of the solar wind from the weaker magnetic field region is presumably due to large magnetic deflections most likely attributed to the presence of switchbacks of interchange reconnection origin.

Published
2022
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36. Observation of a Magnetic Switchback in the Solar Corona

Author

Telloni, Daniele, Zank, Gary P., Stangalini, Marco, Downs, Cooper, Liang, Haoming, Nakanotani, Masaru, Andretta, Vincenzo, Antonucci, Ester, Sorriso-Valvo, Luca, Adhikari, Laxman, Zhao, Lingling, Marino, Raffaele, Susino, Roberto, Grimani, Catia, Fabi, Michele, D'Amicis, Raffaella, Perrone, Denise, Bruno, Roberto, Carbone, Francesco, Mancuso, Salvatore, Romoli, Marco, Da Deppo, Vania, Fineschi, Silvano, Heinzel, Petr, Moses, John D., Naletto, Giampiero, Nicolini, Gianalfredo, Spadaro, Daniele, Teriaca, Luca, Frassati, Federica, Jerse, Giovanna, Landini, Federico, Pancrazzi, Maurizio, Russano, Giuliana, Sasso, Clementina, Biondo, Ruggero, Burtovoi, Aleksandr, Capuano, Giuseppe E., Casini, Chiara, Casti, Marta, Chioetto, Paolo, De Leo, Yara, Giarrusso, Marina, Liberatore, Alessandro, Berghmans, David, Auchere, Frederic, Cuadrado, Regina Aznar, Chitta, Lakshmi P., Harra, Louise, Kraaikamp, Emil, Long, David M., Mandal, Sudip, Parenti, Susanna, Pelouze, Gabriel, Peter, Hardi, Rodriguez, Luciano, Schühle, Udo, Schwanitz, Conrad, Smith, Phil J., Verbeeck, Cis, Zhukov, Andrei N., Telloni, Daniele, Zank, Gary P., Stangalini, Marco, Downs, Cooper, Liang, Haoming, Nakanotani, Masaru, Andretta, Vincenzo, Antonucci, Ester, Sorriso-Valvo, Luca, Adhikari, Laxman, Zhao, Lingling, Marino, Raffaele, Susino, Roberto, Grimani, Catia, Fabi, Michele, D'Amicis, Raffaella, Perrone, Denise, Bruno, Roberto, Carbone, Francesco, Mancuso, Salvatore, Romoli, Marco, Da Deppo, Vania, Fineschi, Silvano, Heinzel, Petr, Moses, John D., Naletto, Giampiero, Nicolini, Gianalfredo, Spadaro, Daniele, Teriaca, Luca, Frassati, Federica, Jerse, Giovanna, Landini, Federico, Pancrazzi, Maurizio, Russano, Giuliana, Sasso, Clementina, Biondo, Ruggero, Burtovoi, Aleksandr, Capuano, Giuseppe E., Casini, Chiara, Casti, Marta, Chioetto, Paolo, De Leo, Yara, Giarrusso, Marina, Liberatore, Alessandro, Berghmans, David, Auchere, Frederic, Cuadrado, Regina Aznar, Chitta, Lakshmi P., Harra, Louise, Kraaikamp, Emil, Long, David M., Mandal, Sudip, Parenti, Susanna, Pelouze, Gabriel, Peter, Hardi, Rodriguez, Luciano, Schühle, Udo, Schwanitz, Conrad, Smith, Phil J., Verbeeck, Cis, and Zhukov, Andrei N.

Abstract

Switchbacks are sudden, large radial deflections of the solar wind magnetic field, widely revealed in interplanetary space by the Parker Solar Probe. The switchbacks' formation mechanism and sources are still unresolved, although candidate mechanisms include Alfvenic turbulence, shear-driven Kelvin-Helmholtz instabilities, interchange reconnection, and geometrical effects related to the Parker spiral. This Letter presents observations from the Metis coronagraph on board a Solar Orbiter of a single large propagating S-shaped vortex, interpreted as the first evidence of a switchback in the solar corona. It originated above an active region with the related loop system bounded by open-field regions to the east and west. Observations, modeling, and theory provide strong arguments in favor of the interchange reconnection origin of switchbacks. Metis measurements suggest that the initiation of the switchback may also be an indicator of the origin of slow solar wind.

Published
2022
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39. Design of the EnVisS instrument optical head

Author

Minoglou, Kyriaki, Karafolas, Nikos, Cugny, Bruno, Tofani, Beatrice, Gabrieli, Riccardo, Impiccichè, Giuseppe, Graziosi, Chiara, Tommasi, Leonardo, Labate, Demetrio, Belli, Fabio, Cicciarelli, Chiara, Pernechele, Claudio, Zuppella, Paola, Chioetto, Paolo, Nordera, Simone, Jones, Geraint, Brydon, George, Stankov, Anamarija, Della Corte, Vincenzo, and Da Deppo, Vania

Published
2023
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40. Exploring the Solar Wind from Its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter-Parker Solar Probe Quadrature

Author

Froment, C., Krasnoselskikh, V., Agapitov, O., Fargette, N., Lavraud, B., Larosa, A., Kretzschmar, M., Jagarlamudi, V., Velli, Marco, Malaspina, David, Whittlesey, Phyllis, Bale, Stuart, Case, Anthony, Goetz, Keith, Kasper, Justin, Korreck, Kelly, Larson, Davin, MacDowall, Robert, Mozer, F., Pulupa, Marc, Revillet, C., Stevens, Michael, Telloni, Daniele, Andretta, Vincenzo, Antonucci, Ester, Bemporad, Alessandro, Capuano, Giuseppe, Fineschi, Silvano, Giordano, Silvio, Habbal, Shadia, Perrone, Denise, Pinto, Rui, Sorriso-Valvo, Luca, Spadaro, Daniele, Susino, Roberto, Woodham, Lloyd, Zank, Gary, Romoli, Marco, Auchère, Frédéric, Bruno, Roberto, Capobianco, Gerardo, Casini, Chiara, Casti, Marta, Chioetto, Paolo, Corso, Alain, Da Deppo, Vania, De Leo, Yara, Dudok De Wit, Thierry, Frassati, Federica, Frassetto, Fabio, Guglielmino, Salvo, Harvey, Peter, Heinzel, Petr, Jerse, Giovanna, Landini, Federico, Liberatore, Alessandro, Livi, Roberto, Magli, Enrico, Massone, Giuseppe, Messerotti, Mauro, Moses, John, Naletto, Giampiero, Nicolini, Gianalfredo, Nisticò, Giuseppe, Panasenco, Olga, Pancrazzi, Maurizio, Pelizzo, Maria, Reale, Fabio, Romano, Paolo, Sasso, Clementina, Schühle, Udo, Stangalini, Marco, Strachan, Leonard, Straus, Thomas, Teriaca, Luca, Uslenghi, Michela, Verscharen, Daniel, Volpicelli, Cosimo, Zangrilli, Luca, Zimbardo, Gaetano, Zuppella, Paola, Telloni, Daniele, Andretta, Vincenzo, Antonucci, Ester, Bemporad, Alessandro, Capuano, Giuseppe E., Fineschi, Silvano, Giordano, Silvio, Habbal, Shadia, Perrone, Denise, Pinto, Rui F., Sorriso-Valvo, Luca, Spadaro, Daniele, Susino, Roberto, Woodham, Lloyd D., Zank, Gary P., Romoli, Marco, Bale, Stuart D., Kasper, Justin C., Auchère, Frédéric, Bruno, Roberto, Capobianco, Gerardo, Case, Anthony W., Casini, Chiara, Casti, Marta, Chioetto, Paolo, Corso, Alain J., Da Deppo, Vania, De Leo, Yara, Dudok de Wit, Thierry, Frassati, Federica, Frassetto, Fabio, Goetz, Keith, Guglielmino, Salvo L., Harvey, Peter R., Heinzel, Petr, Jerse, Giovanna, Korreck, Kelly E., Landini, Federico, Larson, Davin, Liberatore, Alessandro, Livi, Roberto, MacDowall, Robert J., Magli, Enrico, Malaspina, David M., Massone, Giuseppe, Messerotti, Mauro, Moses, John D., Naletto, Giampiero, Nicolini, Gianalfredo, Nisticò, Giuseppe, Panasenco, Olga, Pancrazzi, Maurizio, Pelizzo, Maria G., Pulupa, Marc, Reale, Fabio, Romano, Paolo, Sasso, Clementina, Schühle, Udo, Stangalini, Marco, Stevens, Michael L., Strachan, Leonard, Straus, Thoma, Teriaca, Luca, Uslenghi, Michela, Velli, Marco, Verscharen, Daniel, Volpicelli, Cosimo A., Whittlesey, Phylli, Zangrilli, Luca, Zimbardo, Gaetano, Zuppella, Paola, Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National d’Études Spatiales [Paris] (CNES), Institut de recherche en astrophysique et planétologie (IRAP), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale (IAS), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES)

Subjects
[PHYS.ASTR.IM]Physics [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], Astrophysics::High Energy Astrophysical Phenomena, Solar wind, FOS: Physical sciences, Solar radius, Solar corona, Astrophysics, 01 natural sciences, law.invention, Current sheet, Orbiter, Magnetohydrodynamics, Interplanetary turbulence, Heliosphere, Physics - Space Physics, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], law, 0103 physical sciences, Astrophysics::Solar and Stellar Astrophysics, 010303 astronomy & astrophysics, Coronagraph, Solar and Stellar Astrophysics (astro-ph.SR), Physics, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], 010308 nuclear & particles physics, Space plasmas, Astronomy and Astrophysics, Plasma, [PHYS.ASTR.SR]Physics [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], Corona, Space Physics (physics.space-ph), [PHYS.PHYS.PHYS-SPACE-PH]Physics [physics]/Physics [physics]/Space Physics [physics.space-ph], Physics - Plasma Physics, Plasma Physics (physics.plasm-ph), Astrophysics - Solar and Stellar Astrophysics, Space and Planetary Science, Physics::Space Physics, Astrophysics::Earth and Planetary Astrophysics, [PHYS.PHYS.PHYS-DATA-AN]Physics [physics]/Physics [physics]/Data Analysis, Statistics and Probability [physics.data-an]
Abstract

This Letter addresses the first Solar Orbiter (SO) -- Parker Solar Probe (PSP) quadrature, occurring on January 18, 2021, to investigate the evolution of solar wind from the extended corona to the inner heliosphere. Assuming ballistic propagation, the same plasma volume observed remotely in corona at altitudes between 3.5 and 6.3 solar radii above the solar limb with the Metis coronagraph on SO can be tracked to PSP, orbiting at 0.1 au, thus allowing the local properties of the solar wind to be linked to the coronal source region from where it originated. Thanks to the close approach of PSP to the Sun and the simultaneous Metis observation of the solar corona, the flow-aligned magnetic field and the bulk kinetic energy flux density can be empirically inferred along the coronal current sheet with an unprecedented accuracy, allowing in particular estimation of the Alfv\'en radius at 8.7 solar radii during the time of this event. This is thus the very first study of the same solar wind plasma as it expands from the sub-Alfv\'enic solar corona to just above the Alfv\'en surface., Comment: 10 pages, 4 figures

Published
2021
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43. Exploring the Solar Wind from Its Source on the Corona into the Inner Heliosphere during the First Solar Orbiter–Parker Solar Probe Quadrature

Author

Telloni, Daniele, primary, Andretta, Vincenzo, additional, Antonucci, Ester, additional, Bemporad, Alessandro, additional, Capuano, Giuseppe E., additional, Fineschi, Silvano, additional, Giordano, Silvio, additional, Habbal, Shadia, additional, Perrone, Denise, additional, Pinto, Rui F., additional, Sorriso-Valvo, Luca, additional, Spadaro, Daniele, additional, Susino, Roberto, additional, Woodham, Lloyd D., additional, Zank, Gary P., additional, Romoli, Marco, additional, Bale, Stuart D., additional, Kasper, Justin C., additional, Auchère, Frédéric, additional, Bruno, Roberto, additional, Capobianco, Gerardo, additional, Case, Anthony W., additional, Casini, Chiara, additional, Casti, Marta, additional, Chioetto, Paolo, additional, Corso, Alain J., additional, Da Deppo, Vania, additional, De Leo, Yara, additional, Dudok de Wit, Thierry, additional, Frassati, Federica, additional, Frassetto, Fabio, additional, Goetz, Keith, additional, Guglielmino, Salvo L., additional, Harvey, Peter R., additional, Heinzel, Petr, additional, Jerse, Giovanna, additional, Korreck, Kelly E., additional, Landini, Federico, additional, Larson, Davin, additional, Liberatore, Alessandro, additional, Livi, Roberto, additional, MacDowall, Robert J., additional, Magli, Enrico, additional, Malaspina, David M., additional, Massone, Giuseppe, additional, Messerotti, Mauro, additional, Moses, John D., additional, Naletto, Giampiero, additional, Nicolini, Gianalfredo, additional, Nisticò, Giuseppe, additional, Panasenco, Olga, additional, Pancrazzi, Maurizio, additional, Pelizzo, Maria G., additional, Pulupa, Marc, additional, Reale, Fabio, additional, Romano, Paolo, additional, Sasso, Clementina, additional, Schühle, Udo, additional, Stangalini, Marco, additional, Stevens, Michael L., additional, Strachan, Leonard, additional, Straus, Thomas, additional, Teriaca, Luca, additional, Uslenghi, Michela, additional, Velli, Marco, additional, Verscharen, Daniel, additional, Volpicelli, Cosimo A., additional, Whittlesey, Phyllis, additional, Zangrilli, Luca, additional, Zimbardo, Gaetano, additional, and Zuppella, Paola, additional

Published
2021
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44. The EnVisS camera for the Comet Interceptor ESA mission

Author

Da Deppo, Vania, primary, Jones, Geraint, additional, Brydon, George, additional, Pernechele, Claudio, additional, Zuppella, Paola, additional, Nordera, Simone, additional, Tubiana, Cecilia, additional, Della Corte, Vincenzo, additional, Fulle, Marco, additional, Bertini, Ivano, additional, Chioetto, Paolo, additional, Castro, Jose M., additional, Lara, Luisa M., additional, Slavinskis, Andris, additional, Praks, Jaan, additional, and Rotundi, Alessandra, additional

Published
2021
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45. Observing comets with the Metis coronagraph on-board the Solar Orbiter mission

Author

Giuseppe Nistico, Battams Karl, Chioetto Paolo, Gallagher Brendan, Giordano Silvio, and Vania Da Deppo

Subjects
On board, Orbiter, law, Metis, Environmental science, Coronagraph, Astrobiology, law.invention
Abstract

The Metis coronagraph on-board the Solar Orbiter ESA mission is devoted to the study of the solar corona, but will also have the chance to observe near-Sun comets. Starting from November 2021 the scientific phase of the Solar Orbiter mission will take place. Metis can observe comets passing into its Field of View (FoV) covering an annulus between 1.6° and about 3° centered in the Sun direction. For the first time, simultaneous observation of comets both in the visible and in the UV at the Lyman-alpha can be performed. Comets with known trajectories passing in the Metis FoV will be planned to be observed; all the other comets, likely to be the majority, will be observed by serendipity. 1. Introduction A comet passing through the solar corona provides a means to estimate the plasma parameters at each point along its path, which is a useful complement to remote sensing. In addition to the clear value for solar physics, heliophysics, and space weather application, continuous coverage of the region surrounding the Sun by a coronagraph is important for the advancement of our understanding of near-Sun comets [1]. SOHO-LASCO C2 and C3 have discovered about 4 thousand Sun-grazing and near-Sun comets; STEREO-SECCHI has also discovered a number of comets. SOHO-UVCS had the chance to study about 20 comets in the UV [2]. Figure 1 SOHO-LASCO and STEREO-SECCHI bandpasses overlaid on a typical comet spectrum expressed in arbitrary units [1]. As for the future solar missions, Solar Orbiter has been launched in February 2020 and, after a commissioning phase, its nominal scientific mission will start in November 2021. The mission is foreseen to last for about 10 years with the spacecraft orbit slowly moving out of the ecliptic plane to allow the study of the Sun’s polar regions. On board the Solar Orbiter spacecraft the Metis coronagraph is mounted [3]. 2. The Metis coronagraph Metis has been conceived to acquire both visible and UV images of the solar corona. It is the first coronagraph that will allow simultaneous observation in visible light (VL) and UV. The Metis instrument is conceived to image the solar corona from a near-Sun orbit in the UV narrow band HI Lyman-alpha at 121.6 nm, and in the polarized broad-band visible light (580 – 640 nm). The instrument is designed to image the structure and dynamics of the full corona in the range from 1.6 to 3.1 solar radii (Rs), at minimum perihelion distance (0.28 AU), and from 2.8 Rs to 5.5 Rs, at 0.5 AU. The annular FoV covered by the instrument is between 1.6° and 2.9°, and the attained spatial resolution is 20" [4]. A sketch of the raytrace of the two channels of the Metis coronagraph, i.e. the UV and VL, is given in Figure 2. Figure 2 Metis layout. On the top: the UV path. On the bottom: the VL path [4]. The VL channel bandpass of Metis includes the NaI doublet, i.e. at about 589 nm, and this feature should help comet observation since the NaI emissions may make near-Sun comets very bright. As for the UV channel, strong Lyman-alpha emissions are expected to be observed in comets [5]. The scientific highlights of Metis coronagraph observation of comets can be summarized as follows: - VL observations near comet perihelion are useful to study scattering, side distribution, and quantity of dust. - HI Lyman-alpha observation allows to infer solar wind direction, speed and density. - Analyze comet tail direction and its dynamics [6]. 3. Planning for observing comets In order to predict and allow planning for the observation of known comets, a tool to calculate the “transit” of the comet in the FoV of Metis is being devised by the team. An example of the foreseen passage of the comet C/2021 A1 Leonard in December 2021 can be seen in Figure 3. Figure 3 Expected “transit” of the comet Leonard in the Metis FoV both for the VL and the UV channel. 4. Conclusions The Metis coronagraph on-board the Solar Orbiter mission will have the chance to observe some comets. Future observation campaigns are foreseen and will be devoted to study some of the possible comets passing inside the instrument FoV both in the VL, with the possibility of polarization imaging, and at the same time in the UV (Lyman-alpha). Some other comets will be imaged by chance during the nominal observation foreseen for Metis. Both the populations “foreseen” and ‘by chance’ comets can give some insights to probe the near environment of the Sun but also help in studying the physics and processes occurring in the tail and nucleus of the comet itself. For the first time and of extreme importance, with the Metis coronagraph, comets are going to be observed simultaneously both in the visible and in the UV (Lyman-alpha). Acknowledgements Solar Orbiter is a space mission of international collaboration between ESA and NASA, operated by ESA. Metis was built and operated with funding from the Italian Space Agency (ASI), under contracts to the National Institute of Astrophysics (INAF) and industrial partners. Metis was built with hardware contributions from Germany (Bundesministerium für Wirtschaft und Energie through DLR), from the Czech Republic (PRODEX) and from ESA. References [1] Jones, G.H. et al., "The Science of Sungrazers, Sunskirters, and Other Near-Sun Comets", Space Sci Rev 214(20) (2018). [2] Bemporad, A. et al., "A review of SOHO/UVCS observations of sungrazing comets", Planetary and Space Science 55(9), 1021-1030 (2007). [3] Antonucci, E. et al., "Metis: the Solar Orbiter visible light and ultraviolet coronal imager,” A&A 642, A10 (2020). [4] Fineschi, S. et al., "Optical design of the multi-wavelength imaging coronagraph Metis for the solar orbiter mission," Exp. Astron. 49, 239-263 (2020). [5] Bertaux, J. L. et al. "Interpretation of Hydrogen Lyman-Alpha Observations of Comets Bennett and Encke", A&A 25, 415-430 (1973) [6] Nisticò, G. et al., "Oscillations of cometary tails: a vortex shedding phenomenon?", A&A 615, A143 (2018).

Published
2021

47. Test of protected silver coating on aluminum samples of ARIEL main telescope mirror substrate material

Author

Chioetto, Paolo, primary, Zupella, Paola, additional, Da Deppo, Vania, additional, Nordera, Simone, additional, Pace, Emanuele, additional, Tozzi, Andrea, additional, Morgante, Gianluca, additional, Terenzi, Luca, additional, Brienza, Daniele, additional, Missaglia, Nadia, additional, Bianucci, Giovanni, additional, Spinelli, Sebastiano, additional, Guerriero, Elisa, additional, Rossi, Massimiliano, additional, Grisoni, Gabriele, additional, Bondet, Colin, additional, Chauveau, Grégory, additional, Porta, Caroline, additional, Grezes-Besset, Catherine, additional, Malaguti, Giuseppe, additional, and Micela, Giuseppina, additional

Published
2021
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49. The fisheye of the comet interceptor's EnVisS camera

Author

Pernechele, Claudio, primary, Da Deppo, Vania, additional, Consolaro, Luca, additional, Jones, Geraint H., additional, Brydon, George, additional, Zuppella, Paola, additional, Chioetto, Paolo, additional, Nordera, Simone, additional, Lara, Luisa Maria, additional, and Slavinskis, Andris, additional

Published
2021
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50. In-flight optical performance assessment for the Metis solar coronagraph

Author

Da Deppo, Vania, primary, Chioetto, Paolo, additional, Andretta, Vincenzo, additional, Casini, Chiara, additional, Frassetto, Fabio, additional, Slemer, Alessandra, additional, Zuppella, Paola, additional, Romoli, Marco, additional, Fineschi, Silvano, additional, Heinzel, Petr, additional, Naletto, Giampiero, additional, Nicolini, Gianalfredo, additional, Spadaro, Daniele, additional, Stangalini, Marco, additional, Teriaca, Luca, additional, Bemporad, Alessandro, additional, Casti, Marta, additional, Fabi, Michele, additional, Grimani, Catia, additional, Heerlein, Klaus, additional, Jerse, Giovanna, additional, Landini, Federico, additional, Liberatore, Alessandro, additional, Magli, Enrico, additional, Melich, Radek, additional, Pancrazzi, Maurizio, additional, Pelizzo, Maria-G., additional, Romano, Paolo, additional, Sasso, Clementina, additional, Straus, Thomas, additional, Susino, Roberto, additional, Uslenghi, Michela, additional, and Volpicelli, Cosimo Antonio, additional

Published
2021
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