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Constraining the degree of the dominant mode in QQ Vir

Astrophysics and Space Science volume 329, pages 199–203 (2010)Cite this article

Abstract

We present early results of the application of a method which uses multicolor photometry and spectroscopy for ℓ discrimination. This method has been successfully applied to the pulsating hot subdwarf Balloon 090100001. Here we apply the method to QQ Vir (PG1325+101). This star was observed spectroscopically and photometrically in 2008. Details on spectroscopy can be found in Telting et al. (Astrophys. Space Sci. 2010, this volume), while photometry and preliminary results on ℓ discrimination are provided here. The main aim of this work was to compare the value of the ℓ parameter derived for the main mode in QQ Vir to previously published values derived by using different methods.

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Authors and Affiliations

  1. Cracow Pedagogical University, Cracow, Poland

    Andrzej Baran, Maciej Winiarski & Marek Drożdż

  2. Iowa State University, Ames, USA

    Andrzej Baran

  3. Nordic Optical Telescope, La Palma, Spain

    John Telting

  4. Institute for Astronomy, K. U. Leuven, Leuven, Belgium

    Roy Østensen & Raquel Oreiro

  5. Jagiellonian University, Cracow, Poland

    Dorota Kozieł & Michał Siwak

  6. Missouri State University, Springfield, USA

    Mike Reed

  7. INAF—Osservatorio Astronomico di Torino, Turin, Italy

    Roberto Silvotti

  8. Dr. Remeis-Sternwarte, Institute for Astronomy, University Erlangen-Nürnberg, Bamberg, Germany

    Uli Heber

  9. Konkoly Observatory, Budapest, Hungary

    Peter Papics

Authors
  1. Andrzej Baran
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  2. John Telting
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  3. Roy Østensen
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  4. Maciej Winiarski
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  5. Marek Drożdż
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  6. Dorota Kozieł
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  7. Mike Reed
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  8. Raquel Oreiro
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  9. Roberto Silvotti
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  10. Michał Siwak
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  11. Uli Heber
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  12. Peter Papics
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Correspondence to Andrzej Baran.

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Baran, A., Telting, J., Østensen, R. et al. Constraining the degree of the dominant mode in QQ Vir. Astrophys Space Sci 329, 199–203 (2010). https://doi.org/10.1007/s10509-010-0275-4

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  • DOI: https://doi.org/10.1007/s10509-010-0275-4

Keywords

  • Hot subdwarfs
  • Pulsating stars