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- Cepheid_variable abstract "Cepheids redirects here. For the fictional species, see "Blind Alley".A Cepheid (/ˈsɛfiːɪd/ or /ˈsiːfiːɪd/) is a star that varies between a larger, brighter state and a smaller, denser one. They are very luminous variable stars, of a class that was especially massive and hot, using up their fuel early, leaving them in this pulsating condition. The strong direct relationship between a Cepheid variable's luminosity and pulsation period secures for Cepheids their status as important distance indicators for establishing the Galactic and extragalactic distance scales.Cepheid variables are divided into several subclasses which exhibit markedly different masses, ages, and evolutionary histories: Classical Cepheids, Type II Cepheids, Anomalous Cepheids, and Dwarf Cepheids. The term cepheid originates from Delta Cephei in the constellation Cepheus, the first star of this type identified, by John Goodricke in 1784. Delta Cephei is also of particular importance as a calibrator of the Cepheid period-luminosity relation since its distance is among the most precisely established for a Cepheid, thanks in part to its membership in a star cluster and the availability of precise Hubble Space Telescope/Hipparcos parallaxes. The accuracy of the distance measurements to Cepheid variables and other bodies within 7,500 lightyears is vastly improved by combining images from Hubble taken six months apart when the Earth and Hubble are on opposite sides of the sun.".
- Cepheid_variable thumbnail Heic1323a.jpg?width=300.
- Cepheid_variable wikiPageExternalLink HomePage.html.
- Cepheid_variable wikiPageExternalLink atlas.
- Cepheid_variable wikiPageExternalLink www.aavso.org.
- Cepheid_variable wikiPageID "158530".
- Cepheid_variable wikiPageRevisionID "603655692".
- Cepheid_variable hasPhotoCollection Cepheid_variable.
- Cepheid_variable subject Category:Astrometry.
- Cepheid_variable subject Category:Cepheid_variables.
- Cepheid_variable subject Category:Standard_candles.
- Cepheid_variable subject Category:Variable_stars.
- Cepheid_variable type CelestialBody109239740.
- Cepheid_variable type CepheidVariables.
- Cepheid_variable type NaturalObject100019128.
- Cepheid_variable type Object100002684.
- Cepheid_variable type PhysicalEntity100001930.
- Cepheid_variable type Star109444100.
- Cepheid_variable type Thing100002452.
- Cepheid_variable type Variable109468959.
- Cepheid_variable type VariableStar109469152.
- Cepheid_variable type VariableStars.
- Cepheid_variable type Whole100003553.
- Cepheid_variable comment "Cepheids redirects here. For the fictional species, see "Blind Alley".A Cepheid (/ˈsɛfiːɪd/ or /ˈsiːfiːɪd/) is a star that varies between a larger, brighter state and a smaller, denser one. They are very luminous variable stars, of a class that was especially massive and hot, using up their fuel early, leaving them in this pulsating condition.".
- Cepheid_variable label "Cefeida".
- Cepheid_variable label "Cefeida".
- Cepheid_variable label "Cepheid variable".
- Cepheid_variable label "Cepheiden".
- Cepheid_variable label "Cepheïde".
- Cepheid_variable label "Céphéide".
- Cepheid_variable label "Estrella variable Cefeida".
- Cepheid_variable label "Variabile Cefeide".
- Cepheid_variable label "Цефеиды".
- Cepheid_variable label "متغير قيفاوي".
- Cepheid_variable label "ケフェイド変光星".
- Cepheid_variable label "造父变星".
- Cepheid_variable sameAs Cefeida.
- Cepheid_variable sameAs Cepheiden.
- Cepheid_variable sameAs Estrella_variable_Cefeida.
- Cepheid_variable sameAs Céphéide.
- Cepheid_variable sameAs Variabile_Cefeide.
- Cepheid_variable sameAs ケフェイド変光星.
- Cepheid_variable sameAs 세페이드_변광성.
- Cepheid_variable sameAs Cepheïde.
- Cepheid_variable sameAs Cefeida.
- Cepheid_variable sameAs Cefeida.
- Cepheid_variable sameAs m.014xl0.
- Cepheid_variable sameAs Q188593.
- Cepheid_variable sameAs Q188593.
- Cepheid_variable sameAs Cepheid_variable.
- Cepheid_variable wasDerivedFrom Cepheid_variable?oldid=603655692.
- Cepheid_variable depiction Heic1323a.jpg.
- Cepheid_variable isPrimaryTopicOf Cepheid_variable.