28 September 2015 Design status of ASPIICS, an externally occulted coronagraph for PROBA-3
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The “sonic region” of the Sun corona remains extremely difficult to observe with spatial resolution and sensitivity sufficient to understand the fine scale phenomena that govern the quiescent solar corona, as well as phenomena that lead to coronal mass ejections (CMEs), which influence space weather. Improvement on this front requires eclipse-like conditions over long observation times. The space-borne coronagraphs flown so far provided a continuous coverage of the external parts of the corona but their over-occulting system did not permit to analyse the part of the white-light corona where the main coronal mass is concentrated. The proposed PROBA-3 Coronagraph System, also known as ASPIICS (Association of Spacecraft for Polarimetric and Imaging Investigation of the Corona of the Sun), with its novel design, will be the first space coronagraph to cover the range of radial distances between ~1.08 and 3 solar radii where the magnetic field plays a crucial role in the coronal dynamics, thus providing continuous observational conditions very close to those during a total solar eclipse. PROBA-3 is first a mission devoted to the in-orbit demonstration of precise formation flying techniques and technologies for future European missions, which will fly ASPIICS as primary payload. The instrument is distributed over two satellites flying in formation (approx. 150m apart) to form a giant coronagraph capable of producing a nearly perfect eclipse allowing observing the sun corona closer to the rim than ever before. The coronagraph instrument is developed by a large European consortium including about 20 partners from 7 countries under the auspices of the European Space Agency. This paper is reviewing the recent improvements and design updates of the ASPIICS instrument as it is stepping into the detailed design phase.
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Etienne Renotte, Etienne Renotte, Andres Alia, Andres Alia, Alessandro Bemporad, Alessandro Bemporad, Joseph Bernier, Joseph Bernier, Cristina Bramanti, Cristina Bramanti, Steve Buckley, Steve Buckley, Gerardo Capobianco, Gerardo Capobianco, Ileana Cernica, Ileana Cernica, Vladimir Dániel, Vladimir Dániel, Radoslav Darakchiev, Radoslav Darakchiev, Marcin Darmetko, Marcin Darmetko, Arnaud Debaize, Arnaud Debaize, François Denis, François Denis, Richard Desselle, Richard Desselle, Lieve de Vos, Lieve de Vos, Adrian Dinescu, Adrian Dinescu, Silvano Fineschi, Silvano Fineschi, Karl Fleury-Frenette, Karl Fleury-Frenette, Mauro Focardi, Mauro Focardi, Aurélie Fumel, Aurélie Fumel, Damien Galano, Damien Galano, Camille Galy, Camille Galy, Jean-Marie Gillis, Jean-Marie Gillis, Tomasz Górski, Tomasz Górski, Estelle Graas, Estelle Graas, Rafał Graczyk, Rafał Graczyk, Konrad Grochowski, Konrad Grochowski, Jean-Philippe A. Halain, Jean-Philippe A. Halain, Aline Hermans, Aline Hermans, Russ Howard, Russ Howard, Carl Jackson, Carl Jackson, Emmanuel Janssen, Emmanuel Janssen, Hubert Kasprzyk, Hubert Kasprzyk, Jacek Kosiec, Jacek Kosiec, Serge Koutchmy, Serge Koutchmy, Jana Kovačičinová, Jana Kovačičinová, Nektarios Kranitis, Nektarios Kranitis, Michał Kurowski, Michał Kurowski, Michał Ładno, Michał Ładno, Philippe Lamy, Philippe Lamy, Federico Landini, Federico Landini, Radek Lapáček, Radek Lapáček, Vít Lédl, Vít Lédl, Sylvie Liebecq, Sylvie Liebecq, Davide Loreggia, Davide Loreggia, Brian McGarvey, Brian McGarvey, Giuseppe Massone, Giuseppe Massone, Radek Melich, Radek Melich, Agnes Mestreau-Garreau, Agnes Mestreau-Garreau, Dominique Mollet, Dominique Mollet, Łukasz Mosdorf, Łukasz Mosdorf, Michał Mosdorf, Michał Mosdorf, Mateusz Mroczkowski, Mateusz Mroczkowski, Raluca Muller, Raluca Muller, Gianalfredo Nicolini, Gianalfredo Nicolini, Bogdan Nicula, Bogdan Nicula, Kevin O'Neill, Kevin O'Neill, Piotr Orleański, Piotr Orleański, Marie-Catherine Palau, Marie-Catherine Palau, Maurizio Pancrazzi, Maurizio Pancrazzi, Antonios Paschalis, Antonios Paschalis, Karel Patočka, Karel Patočka, Radek Peresty, Radek Peresty, Irina Popescu, Irina Popescu, Pavel Psota, Pavel Psota, Miroslaw Rataj, Miroslaw Rataj, Jan Rautakoski, Jan Rautakoski, Marco Romoli, Marco Romoli, Roman Rybecký, Roman Rybecký, Lucas Salvador, Lucas Salvador, Jean-Sébastien Servaye, Jean-Sébastien Servaye, Cornel Solomon, Cornel Solomon, Yvan Stockman, Yvan Stockman, Arkadiusz Swat, Arkadiusz Swat, Cédric Thizy, Cédric Thizy, Michel Thomé, Michel Thomé, Kanaris Tsinganos, Kanaris Tsinganos, Jim Van der Meulen, Jim Van der Meulen, Nico Van Vooren, Nico Van Vooren, Tomáš Vit, Tomáš Vit, Tomasz Walczak, Tomasz Walczak, Alicja Zarzycka, Alicja Zarzycka, Joe Zender, Joe Zender, Andrei Zhukov, Andrei Zhukov, } "Design status of ASPIICS, an externally occulted coronagraph for PROBA-3", Proc. SPIE 9604, Solar Physics and Space Weather Instrumentation VI, 96040A (28 September 2015); doi: 10.1117/12.2186962; https://doi.org/10.1117/12.2186962

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