Carbon-rich (DQ) white dwarfs in the Sloan Digital Sky Survey

Context. Among the spectroscopically identified white dwarfs, a fraction smaller than 2% have spectra dominated by carbon lines, mainly molecular C2, but also a smaller group dominated by C I and C II lines. These are together called DQ white dwarfs. Aims. We want to derive atmospheric parameters Te...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2019-08, Vol.628, p.A102
Hauptverfasser:	Koester, D., Kepler, S. O.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrochemistry Atmosphere Atmospheres Carbon Line spectra Photometry Sky surveys (astronomy) stars: atmospheres stars: carbon Stellar evolution White dwarf stars white dwarfs
Online-Zugang:	Volltext
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