et

tsefeiid

1 substantive

EKI Combined Dictionary 2026

Last modified 27.10.2025

Meanings

korrapäraselt pulseeriv muutuva heledusega hiidtäht

Translations

Usage examples
  • Kerasparvedes leidub eriti palju tsefeiide.
  • Hiina teadlased on aga hiljuti avaldanud uue Linnutee tsefeiidide kataloogi.
  • Otse minu vastas, madalal niidu kohal liikus meiega kaasa Cepheuse tähekogu, .. muutlik täht, pikaperioodiline tsefeiid ..

Terminological databases

Kosmoseteaduse ja -tehnoloogia terminibaas

ID 575878 Last modified 27.10.2025
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Domain astronomyastrophysics
Cepheid
  • korrapäraselt pulseeriv muutlike tähtede tüüp, mille prototüüp on hele täht δ Cephei
  • a class of luminous, yellow, pulsating stars whose period of pulsation is closely related to their luminosity which changes very regularly with periods of 1 to 70 days between peaks
Related
tsefeiid
Usage examples
  • Ülihiid Delta Cephei (Keefeuse tähtkujus) on pulseerivate tsefeiidide prototüüp.
Cepheid
Usage examples
  • Cepheids are important cosmic benchmarks for scaling galactic and extragalactic distances; a strong direct relationship exists between a Cepheid variable's luminosity and its pulsation period.
Cepheid variable
Usage examples
  • The empirical correlation between the luminosity of a Cepheid variable and its period has been known to astronomers and used by them as a powerful distance determination method, for the better part of the 20th century.
Good to know
  • The stars are called Cepheids after the first star of this type to be discovered — Delta Cephei.

Word forms

Inflection Type 22e

tsefeiid tsefeiidid
tsefeiidi tsefeiidide
tsefeiidi tsefeiide ~ tsefeiidisid

Etymology

laensõna
  • tsefeiid Kepheuse tähtkuju järgi, milles asuv Delta oli esimene avastatud tsefeiid. Kepheus ('aednik') oli kreeka mütoloogias ühe Etioopia kuninga nimi
    • cepheid 'tsefeiid'

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