Cepheid variable
(redirected from Cepheid variable star)Related to Cepheid variable star: Delta Cepheid, Period-luminosity relationship
Cepheid variable
(ˈsiːfɪɪd)n
(Astronomy) astronomy any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of such stars
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Ce′pheid var`iable
n.
a variable star with a short period of 1 to 50 days in which changes in brightness are due to alternations in volume.
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