Classical Cepheid variable
- 经典造父变星（经典造父变星是第一星族星，周期短，质量大，光度高，光谱类型为F6-K2的黄超巨星，半径变化大）
Classical Cepheid variable
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abstract:
Classical Cepheids (also known as Population I Cepheids, Type I Cepheids, or Delta Cephei variables) are a type of Cepheid variable star. They are population I, variable stars that exhibit pulsation periods in the order of a few days to months, are 4–20 times more massive than the Sun,Turner, David G.
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