ケフェイド変光星
Also known as Cepheid, Cepheid Inc, variable star, Cepheid variable star, CEP
HR図上でセファイド不安定帯に属する脈動変光星
AI overview
A Cepheid variable is a type of star that regularly grows brighter and dimmer in a predictable pattern over time. These stars are important to astronomers because the relationship between how bright they actually are and how quickly they change brightness helps scientists measure distances to distant galaxies.
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Article · 日本語
ケフェイド変光星（ケフェイドへんこうせい、英語: Cepheid variable）は、HR図上でケフェイド不安定帯に属する脈動変光星。セファイド、セファイド変光星、ケフェウス座δ型変光星、ケファイド変光星とも表記。
Abstract from DBpedia / Wikipedia · CC BY-SA