cluster variable
English
Noun
cluster variable (plural cluster variables)
- (astronomy) an RR Lyrae variable; a type of variable star commonly (but not exclusively) found in globular clusters
- 1902, Solon Irving Bailey, A Discussion of Variable Stars in the Cluster [omega] Centauri
- This period, which is exceptionally long for a cluster variable, satisfies the observations fairly well except in a few cases.
- 1950, Leaflet
- Nearly all of the variable stars found in the other globular clusters had the same characteristics as those found in Omega Centauri. It was five years before a cluster variable was found outside of a globular cluster.
- 1949, Popular Astronomy
- There are some thirty classical Cepheids, and a few irregular variables, in the globular clusters among the stars brighter than the typical cluster variable.
- 1902, Solon Irving Bailey, A Discussion of Variable Stars in the Cluster [omega] Centauri
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Translations
RR Lyrae — see RR Lyrae