Helioseismology with PICARD

Abstract

PICARD is a CNES micro-satellite launched in June 2010 (Thuillier at al. 2006). 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 (Corbard et al. 2008). 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.

6 pages, 6 figures, Eclipse on the Coral Sea: Cycle 24 Ascending, GONG 2012 / LWS/SDO-5 / SOHO 27, November 12 - 16, 2012, Palm Cove, Queensland. Accepted for publication in Journal of Physics Conference Series on March 1st 2013

References in corpus (2)

• Solar Interior Rotation and its Variation
• The art of fitting p-mode spectra: Part I. Maximum Likelihood Estimation

Cited by in corpus (4)

• The Polarimetric and Helioseismic Imager on Solar Orbiter
• PICARD SODISM, a space telescope to study the Sun from the middle ultraviolet to the near infrared
• Dark signal correction for a lukecold frame transfer CCD. Application to the SODISM solar telescope on board the PICARD space mission
• Les Trente Glorieuses: 29 years of helioseismic observations with the Luminosity Oscillations Imager