Cepheidadj.n.

Brit.

/ˈsiːfɪɪd/,

/ˈsɛfɪɪd/, U.S.

/ˈsifiəd/,

/ˈsɛfiəd/

Forms: Also cepheid.

Etymology: < Latin Cēpheus, Greek Κηϕεύς Cepheus, a mythical king whose name was given to a constellation + -id suffix².

Astronomy.

A. adj.

Pertaining to or resembling the variable star δ Cephei.

ΘΚΠ

the world > the universe > star > kind of star > by light > [adjective] > Cepheid

Cepheid1904

1904 Astrophysical Jrnl. 20 184 Spectroscopic studies of Cepheid variables.

1927 A. S. Eddington Stars & Atoms 93 In 1924 Hubble discovered a number of Cepheid variables in the great Andromeda nebula.

To determine the absolute magnitude..of every Cepheid variable in the heavens.

B. n.

A variable star of the type of δ Cephei.

ΘΚΠ

the world > the universe > star > kind of star > by light > [noun] > variable > Cepheid

Cepheid1921

1921 Discovery Feb. 38/1

1927 Glasgow Herald 7 Oct. 11/2 When a Cepheid's period was noted its brightness could be stated.

1964 Yearbk. Astr. 1965 149 It has been found that the longer the period of a Cepheid, the greater its real luminosity. If one knows how bright a star really is and how bright it appears, one can at once deduce its distance. Cepheids therefore act as standard candles among the stars.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	cepheid
释义	Cepheidadj.n. Brit. /ˈsiːfɪɪd/, /ˈsɛfɪɪd/, U.S. /ˈsifiəd/, /ˈsɛfiəd/ Forms: Also cepheid. Etymology: < Latin Cēpheus, Greek Κηϕεύς Cepheus, a mythical king whose name was given to a constellation + -id suffix². Astronomy. A. adj. Pertaining to or resembling the variable star δ Cephei. ΘΚΠ the world > the universe > star > kind of star > by light > [adjective] > Cepheid Cepheid1904 1904 Astrophysical Jrnl. 20 184 Spectroscopic studies of Cepheid variables. 1927 A. S. Eddington Stars & Atoms 93 In 1924 Hubble discovered a number of Cepheid variables in the great Andromeda nebula. To determine the absolute magnitude..of every Cepheid variable in the heavens. B. n. A variable star of the type of δ Cephei. ΘΚΠ the world > the universe > star > kind of star > by light > [noun] > variable > Cepheid Cepheid1921 1921 Discovery Feb. 38/1 1927 Glasgow Herald 7 Oct. 11/2 When a Cepheid's period was noted its brightness could be stated. 1964 Yearbk. Astr. 1965 149 It has been found that the longer the period of a Cepheid, the greater its real luminosity. If one knows how bright a star really is and how bright it appears, one can at once deduce its distance. Cepheids therefore act as standard candles among the stars. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). < adj.n.1904
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