Question

Classification of Cepheid’s.....

explain........
and don't copy paste.......
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Answer 1

There are actually two classes of Cepheid:

Type I Cepheids (δ Cepheus is a classical Cepheid) are population I stars with high metallicities, and pulsation periods generally less than 10 days.

Type II Cepheids (W Virginis stars), are low-metallicity, population II stars with pulsation periods between 10 and 100 days.

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hope it helps you..⭐⭐⭐

Answer 2

There actually two classes of cepheid: Type 1: Cepheids are population stars with high metallicities, and pulsation period less than 10 days.

Type 2 Cepheids: are low metallicity stars with pulsation period between 10 to 100 days.

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