W Virginis variable
A W Virginis variable is a variable star similar to a Cepheid variable.
W Virginis are different because they are population II stars, and so have a lower mass (less then our Sun), and lower metallicity.
Their luminosity is, on average, about 1.5 magnitudes less than classical Cepheids. The period varies between 1 and 60 days.
Referenced By
Cepheid | Cepheid variable | Cepheid variable star | List of astronomical topics | List of astronomical topics (N-Z) | Population I | Population II | Stellar population
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