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Spectroscopic Determination of Mass for a Sample of DAO White Dwarfs

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White Dwarfs

Part of the book series: NATO Science Series ((NAII,volume 105))

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Abstract

We report on the analysis of optical and FUV spectra of a sample of DAO white dwarfs. Optical spectra obtained at Kitt Peak were used to determine their temperature and gravity and compared with results from Lyman series observations made by the FUSE satellite. Significant differences were found between the Balmer and Lyman line techniques. Most of the objects in the sample were found to consist of low gravity, high temperature objects and hence have low mass, with one DAO already known to be the result of common envelope evolution. Overall the results from the DAO stars can now be compared with the larger population of DA white dwarfs.

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References

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Author information

Authors and Affiliations

  1. Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UK

    S. A. Good, M. A. Barstow & M. R. Burleigh

  2. Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, 85721, USA

    J. B. Holberg & D. Sing

  3. Dr. Remeis-Sternwarte, Sternwartstr. 7, D-96049, Bamberg, Germany

    R. Napiwotzki

  4. Institute for Astrophysics & Computational Sciences, Dept. of Physics, The Catholic Univ. of America, Washington, DC, 20064, USA

    F. C. Bruhweiler

Authors
  1. S. A. Good
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  2. M. A. Barstow
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  3. M. R. Burleigh
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  4. J. B. Holberg
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  5. D. Sing
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  6. R. Napiwotzki
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  7. F. C. Bruhweiler
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Editor information

Editors and Affiliations

  1. INAF — Osservatorio Astronomico di Capodimonte, Napels, Italy

    Domitilla de Martino  & Roberto Silvotti  & 

  2. Universitetet i Tromsø, Norway

    Jan-Erik Solheim

  3. Vilnius University, Vilnius, Lithuania

    Romualdas Kalytis

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© 2003 Springer Science+Business Media Dordrecht

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Good, S.A. et al. (2003). Spectroscopic Determination of Mass for a Sample of DAO White Dwarfs. In: de Martino, D., Silvotti, R., Solheim, JE., Kalytis, R. (eds) White Dwarfs. NATO Science Series, vol 105. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0215-8_41

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  • DOI: https://doi.org/10.1007/978-94-010-0215-8_41

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-1364-5

  • Online ISBN: 978-94-010-0215-8

  • eBook Packages: Springer Book Archive

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