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Helioseismology with PICARD

TitreHelioseismology with PICARD
Type de publicationJournal Article
Year of Publication2013
AuteursCorbard, T, Salabert, D, Boumier, P, Appourchaux, T, Hauchecorne, A, Journoud, P, Nunge, A, Gelly, B, Hochedez, JF, Irbah, A, Meftah, M, Renaud, C, Turck-Chieze, S
JournalJournal of Physics Conference SeriesJournal of Physics Conference Series
Date PublishedJune 1, 2013
ISBN Number1742-6588

PICARD is a CNES micro-satellite launched in June 2010 [17]. Its main goal is to measure the solar shape, total and spectral irradiance during the ascending phase of the activity cycle. The SODISM telescope onboard PICARD also allows us to conduct a program for helioseismology in intensity at 535.7 nm [5]. One-minute cadence low-resolution full images are available for a so-called medium-l program, and high-resolution images of the limb recorded every 2 minutes are used to study mode amplification near the limb in the perspective of g-mode search. First analyses and results from these two programs are presented here.

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