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Hot Subdwarfs: Magnetic, Oscillatory and Other Physical Properties

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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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Authors and Affiliations

  1. Departamento de Astrofísica, Universidad de La Laguna, E-38200, Spain

    R. Oreiro, F. Pérez Hernández & R. GarcÍa López

  2. Departamento Física Aplicada, Universidade Vigo, E-36200, Vigo, Spain

    R. Oreiro, A. Ulla & A. Ferriz-Mas

  3. Instituto de Astrofísica de Canarias E-38200 La Laguna, Spain

    R. Oreiro, F. Pérez Hernández & R. GarcÍa López

  4. Depart. Ciencias de Navegación y la Tierra, Univ. da Coruña, Spain

    M. Manteiga

  5. Nordlysobservatoriet, Universitetet i Tromsø, N-9037, Norway

    J.M. González Pérez

  6. Laborat. Astrofísica Espacial y Física Fundamental, E-28080, Madrid, Spain

    M.R. Zapatero Osorio

  7. Department of Physics and Astronomy, Delaware University, USA

    J. MacDonald

  8. Danmarks Meteorologiske Institut, DK-2100, Kø benhavn Ø, Denmark

    P. Thejll

  9. Department of Astronomy & Astrophysics, Villanova University, USA

    R.A. Saffer

  10. Spec. Astroph. Observat., Russ. Acad. Sciences, 357 147, Nizhnij Arkhyz, Russia

    V. Elkin

Authors
  1. R. Oreiro
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  2. F. Pérez Hernández
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  3. M. Manteiga
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  4. A. Ulla
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  5. J.M. González Pérez
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  6. M.R. Zapatero Osorio
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  7. R. GarcÍa López
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  8. J. MacDonald
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  9. P. Thejll
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  10. A. Ferriz-Mas
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  11. R.A. Saffer
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  12. V. Elkin
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Oreiro, R., Pérez Hernández, F., Manteiga, M. et al. Hot Subdwarfs: Magnetic, Oscillatory and Other Physical Properties. Astrophysics and Space Science 284, 269–272 (2003). https://doi.org/10.1023/A:1023208206505

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  • DOI: https://doi.org/10.1023/A:1023208206505

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