英语词汇“classical cepheid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

classical Cepheid n. Astronomy a Cepheid belonging to a subcategory typified by the star δ Cephei (also called type I Cepheids), used to establish a period–luminosity relation for stars with a similar variability pattern, which subcategory comprises population I stars typically having a period of 5–10 days (as contrasted with type II Cepheids, which are population II stars with generally longer periods and lower luminosity).The Cepheid period–luminosity relation is used for determining extragalactic distances up to 15 megaparsecs (the Virgo Cluster).

ΚΠ

1928 H. Shapley in Proc. National Acad. Sci. U.S.A. 14 961 The long period variable is a high luminosity star, probably as bright visually as the average classical Cepheid.

1993 Publ. Astron. Soc. Pacific 105 836/1 Z Lacertae is a classical Cepheid with a period of 11 days.

单词	classical cepheid
释义	> as lemmas classical Cepheid classical Cepheid n. Astronomy a Cepheid belonging to a subcategory typified by the star δ Cephei (also called type I Cepheids), used to establish a period–luminosity relation for stars with a similar variability pattern, which subcategory comprises population I stars typically having a period of 5–10 days (as contrasted with type II Cepheids, which are population II stars with generally longer periods and lower luminosity).The Cepheid period–luminosity relation is used for determining extragalactic distances up to 15 megaparsecs (the Virgo Cluster). ΚΠ 1928 H. Shapley in Proc. National Acad. Sci. U.S.A. 14 961 The long period variable is a high luminosity star, probably as bright visually as the average classical Cepheid. 1993 Publ. Astron. Soc. Pacific 105 836/1 Z Lacertae is a classical Cepheid with a period of 11 days. extracted from classicaladj.n. < as lemmas
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> as lemmas