Concept information
Preferred term
DO stars
Definition
- A white dwarf whose spectrum shows strong lines of singly ionized helium He II; He I or H may be present. As a DO star cools, the He II will recombine with free electrons to form He I, eventually changing the DO type into a DB white dwarf. (en)
Broader concept
- White dwarf stars (en)
Narrower concepts
- PG 1159 stars (en)
Entry terms
- DO white dwarf (en)
- DO white dwarf stars (en)
URI
http://astrothesaurus.org/uat/397
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