SF2A-2009: Semaine de l'Astrophysique Francaise Heydari-Malayeri, M. ; Reyl'E, C. ; Samadi, R. Abstract Publication: SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Pub Date: November 2009 Bibcode: 2009sf2a.conf.....H