Asteroseismology of subdwarf B stars: the EC 14026 pulsators

Details Asteroseismology of subdwarf B stars: the EC 14026 pulsators Asteroseismology of subdwarf B stars: the EC 14026 pulsators

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.485..109b&link_type=abstract

In: Proceedings of the First Eddington Workshop on Stellar Structure and Habitable Planet Finding, 11 - 15 June 2001, Córdoba, S

Mathematics

Logic

Stars: Oscillations, Stars: Variables, Stars: Subdwarf B Stars

Scientific paper

We summarize our current observational knowledge about the EC 14026 class of variable stars. We begin by presenting some general considerations about the subdwarf B stars, followed by a description of the main charcteristics of the pulsating ones, the so-called EC 14026 objects. We next focus on two particularly interesting cases: that of KPD 1930+2752, a member of an ellipsoidal binary system, and that of PG 0014+067, the first object of the EC 14026 class for which a complete asteroseismological analysis has been successfully carried out. We conclude by underlining the advantages of studying pulsating sdB stars from space and the importance of these fascinating objects in the grand scheme of stellar evolution.

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