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Hot Subdwarfs: Magnetic, Oscillatory and Other Physical Properties |
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| Authors: | R Oreiro F Pérez Hernández M Manteiga A Ulla JM González Pérez MR Zapatero Osorio R GarcÍa López J MacDonald P Thejll A Ferriz-Mas RA Saffer V Elkin |
| Institution: | (1) Departamento de Astrofísica, Universidad de La Laguna, E-38200, Spain;(2) Departamento Física Aplicada, Universidade Vigo, E-36200 Vigo, Spain;(3) Instituto de Astrofísica de Canarias E-38200 La Laguna, Spain;(4) Depart. Ciencias de Navegación y la Tierra, Univ. da Coruña, Spain;(5) Nordlysobservatoriet, Universitetet i Tromsø, N-9037, Norway;(6) Laborat. Astrofísica Espacial y Física Fundamental, E-28080 Madrid, Spain;(7) Department of Physics and Astronomy, Delaware University, USA;(8) Danmarks Meteorologiske Institut, DK-2100 Kø benhavn Ø, Denmark;(9) Department of Astronomy & Astrophysics, Villanova University, USA;(10) Spec. Astroph. Observat., Russ. Acad. Sciences, 357 147 Nizhnij Arkhyz, Russia |
| Abstract: | Hot subdwarf stars (hot sds) are blue subluminous objects. Only a few determinations areavailable to date regarding the study of such aspects as rotation,microturbulent velocities or the magnetic nature of these objects. Over26 sdBs are known to date to be multiperiodic rapid oscillators. Thisproject presents preliminary results of new observations and models of asample of pulsating and non-pulsating hot sds, includingconsiderations on mass loss and eventual magnetic properties. |
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