Hot White Dwarfs

Details Hot White Dwarfs Hot White Dwarfs

2011-11-29

arxiv.org/abs/1111.6652v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Invited book chapter in "White Dwarf Atmospheres and Circumstellar Environments", ed. D. W. Hoard, Wiley-VCH, ISBN 978-3-527-4

Scientific paper

The article covers the physical properties and evolution of single white dwarfs ranging in temperature from 20,000K to 200,000 and higher, the hottest know electron-degenerate stars. After discussing the classification of their spectra, the author reviews the known properties, parameters, evolutionary state, as well as persisting and new puzzles regarding all spectroscopic subclasses of hot white dwarfs: the hot DA white dwarfs, the DAO white dwarfs, the PG1159 degenerates, the DO white dwarfs, the DB white dwarfs, the DBA white dwarfs, and the Hot DQ white dwarfs (an entirely new class). The most recent observational and theoretical advances are brought to bear on the topic.

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