[en] Feige 48 is one of the very first sdB pulsators discovered, and one of the most studied. Though, the exact orbital period and nature of its companion have been settled only recently. In this talk I will tell the story of Feige 48, and will present photometric data obtained at Mt Bigelow observatory in 2009, as well as TESS observations in several sectors started in August 2019. From these data I will present new asteroseismic analyses and inferences about the rotational properties of the sdB star. These will give the modern view of Feige 48 and the new challenges it opens.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Van Grootel, Valérie ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
