- cataclysmic variable stars
- estrellas variables cataclísmicas
English-Spanish dictionary of astronomy terms. 2014.
cataclysmic variable stars
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Cataclysmic variable star — Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state. They were initially called novae, from the Latin new , since ones with an outburst brightness visible… … Wikipedia
Polar (cataclysmic variable) — A Polar (also AM Herculis Star) is a type of cataclysmic variable binary star system with a very strong magnetic field. In most cataclysmic variables, matter from a main sequence companion star is gravitationally stripped by a white dwarf star in … Wikipedia
Variable cataclysmique — Vue d artiste d une variable cataclysmique Une étoile variable cataclysmique (CV en anglais) est un type d étoile binaire. Elle est constituée de deux étoiles : une primaire naine blanche, et une secondaire lui transférant sa masse. On… … Wikipédia en Français
Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… … Wikipedia
Étoile variable cataclysmique — Variable cataclysmique Vue d artiste d une variable cataclysmique Une étoile variable cataclysmique (CV en anglais) est un type d étoile binaire. Elle est constituée de deux étoiles : une primaire naine blanche, et une secondaire transférant … Wikipédia en Français
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
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
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
Semiregular variable star — Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20… … Wikipedia
Mira variable — Mira variables ( /ˈmaɪr … Wikipedia
Orion variable — An Orion variable is a variable star which exhibits irregular and eruptive variations in its luminosity and is typically associated with diffuse nebulae. It is thought that these are young stars which will later become regular, non variable stars … Wikipedia
