Concept information
Preferred term
beta Lyrae binary
Definition(s)
- Beta Lyrae variables are a class of close binary stars. Their total brightness is variable because the two component stars orbit each other, and in this orbit one component periodically passes in front of the other one, thereby blocking its light. The two component stars of Beta Lyrae systems are quite heavy (several solar masses (M☉) each) and extended (giants or supergiants). They are so close, that their shapes are heavily distorted by mutual gravitation forces: the stars have ellipsoidal shapes, and there are extensive mass flows from one component to the other. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Beta_Lyrae_variable)
Broader concept(s)
Synonym(s)
- beta Lyrae binary star
- beta Lyrae star
- β Lyrae binary
- β Lyrae binary star
- β Lyrae star
In other languages
-
French
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binaire de type β Lyrae
-
étoile binaire de type bêta Lyrae
-
étoile binaire de type β Lyrae
-
étoile de type bêta Lyrae
-
étoile de type β Lyrae
URI
http://data.loterre.fr/ark:/67375/MDL-HDHJWTFX-X
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