Author:

Keywords:

stars : early-type, stars : subdwarfs, stars : oscillations, stars : individual : pg1657+416, subdwarf-b-stars, structural parameters, asteroseismology, pg-1219+534, feige-48, origin, Science & Technology, Physical Sciences, Astronomy & Astrophysics, stars : individual : PG1657+416, SUBDWARF-B-STARS, STRUCTURAL PARAMETERS, ASTEROSEISMOLOGY, PG-1219+534, FEIGE-48, ORIGIN, 0201 Astronomical and Space Sciences, 5101 Astronomical sciences, 5107 Particle and high energy physics, 5109 Space sciences

Abstract:

Context. Since the discovery in 1997 of stellar oscillations in some B-type hot subdwarfs (sdBs), much effort is being made both observationally and theoretically to characterize this new group of pulsating objects.