Variable stars in globular clusters

Details Variable stars in globular clusters Variable stars in globular clusters

Oct 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975s%26w....14..316g&link_type=abstract

Sterne und Weltraum, vol. 14, Oct. 1975, p. 316-322. In German.

Physics

Globular Clusters, Hertzsprung-Russell Diagram, Milky Way Galaxy, Stellar Evolution, Variable Stars, Cepheid Variables, Giant Stars, Stellar Luminosity, Stellar Mass

Scientific paper

The paper reviews the chief features regarding variable stars located in the approximately 130 globular clusters in and around the Galaxy. Their position in the Hertzsprung-Russell diagram is studied, and the basic phenomenology of their variability is described. The main variable types in globular clusters are examined separately: RR Lyrae stars, accounting for nearly 90 per cent of all variable stars in globular clusters; the W-Virginis or Population II-Cepheids; the red giant variables; and some rare types such as the RV-Tauri objects and the eruptive types such as Novae and U Geminorum. Some remarks concerning stellar evolution in globular clusters are made.

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