- classical cepheids
- cefeidas clásicas
English-Spanish dictionary of astronomy terms. 2014.
classical cepheids
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Classical Cepheid variable — Classical Cepheids (also known as Population I Cepheids, Type I Cepheids, or Delta Cephei variables) are a type of Cepheid variable star. They are population I, variable stars that exhibit pulsation periods in the order of a few days to months,… … Wikipedia
Cepheid variable — This article is about a class of pulsating stars. For the similarly named constellation, see Cepheus (constellation). Cepheids redirects here. For the fictional species, see Blind Alley . A Cepheid ( /ˈs … Wikipedia
Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… … Wikipedia
Cepheid variable — Astron. a variable star in which changes in brightness are due to alternate contractions and expansions in volume. Also, cepheid variable. [1900 05; CEPHE(US) + ID1] * * * One of a class of variable stars whose period of variation is closely… … Universalium
RR Lyrae variable — RR Lyrae variables are periodic variable stars, commonly found in globular clusters, and often used as standard candles to measure galactic distances. This type of variable is named after the prototype, the variable star RR Lyrae in the… … Wikipedia
RT Aurigae — Constelación Auriga Ascensión recta α 06h 28min 34,09s Declinación δ +30º 29’ 34,9’’ Distancia … Wikipedia Español
Centaurus A — (NGC 5128) Observation data (J2000 epoch) Constellation Centaurus … Wikipedia
AQ Puppis — Constelación Puppis Ascensión recta α 07h 58min 22,09s Declinación δ 29º 07’ 48,4’’ Distancia … Wikipedia Español
V Centauri — Constelación Centaurus Ascensión recta α 14h 32min 33,08s Declinación δ 56º 53’ 15,8’’ Distancia … Wikipedia Español
Y Ophiuchi — Constelación Ofiuco Ascensión recta α 17h 52min 38,70s Declinación δ 06º 08’ 36,9’’ Distancia … Wikipedia Español
VY Carinae — Constelación Carina Ascensión recta α 10h 44min 32,60s Declinación δ 57º 33’ 55,3’’ Distancia … Wikipedia Español
