Journal article
Spectropolarimetric Survey of Hydrogen‐rich White Dwarf Stars
The Astrophysical Journal, Vol.654(1), pp.499-520
2007
Abstract
We have conducted a survey of 61 southern white dwarfs searching for magnetic fields using Zeeman spectropolarimetry. Our objective is to obtain a magnetic field distribution for these objects and, in particular, to find white dwarfs with weak fields. We found one possible candidate (WD 0310-688) that may have a weak magnetic field of -6.1 ±2.2 kG. Next, we determine the fraction and distribution of magnetic white dwarfs in the solar neighborhood and investigate the probability of finding more of these objects based on the current incidence of magnetism in white dwarfs within 20 pc of the Sun. We have also analyzed the spectra of the white dwarfs to obtain effective temperatures and surface gravities.
Details
- Title
- Spectropolarimetric Survey of Hydrogen‐rich White Dwarf Stars
- Authors/Creators
- A. Kawka (Author/Creator) - Murdoch UniversityS. Vennes (Author/Creator) - Florida Institute of TechnologyG.D. Schmidt (Author/Creator) - Steward Health Care SystemD.T. Wickramasinghe (Author/Creator) - Australian National UniversityR. Koch (Author/Creator) - Murdoch University
- Publication Details
- The Astrophysical Journal, Vol.654(1), pp.499-520
- Publisher
- Institute of Physics
- Identifiers
- 991005542594807891
- Murdoch Affiliation
- School of Engineering Science
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 5 Physics
- 5.20 Astronomy & Astrophysics
- 5.20.17 Stellar Evolution
- Web Of Science research areas
- Astronomy & Astrophysics
- ESI research areas
- Space Science