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7 Ceti is a single, variable star in the equatorial constellation of Cetus. It has the variable star designation AE Ceti. The star is visible to the naked eye with a baseline apparent visual magnitude of 4.44. Based upon an annual parallax shift of only 7.3 mas, it is located roughly 450 light years away. It is moving closer to the Sun with a heliocentric radial velocity of −23 km/s. Eggen (1965) listed it as a probable member of the Wolf 630 group of co-moving stars.

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  • 7 Ceti (en)
  • 7 Ceti (fr)
  • 7 Ceti (it)
  • 7 Ceti (sv)
  • 八魁六 (zh)
rdfs:comment
  • 7 Ceti è una stella gigante rossa di magnitudine 4,44 situata nella costellazione della Balena. Dista 446 anni luce dal sistema solare. (it)
  • 7 Ceti, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den sydvästra delen av stjärnbilden Valfisken och har även variabelbeteckningen AE Ceti. Den har en genomsnittlig skenbar magnitud på 4,44 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 7,3 mas, beräknas den befinna sig på ett avstånd på ca 450 ljusår (ca 137 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -23 km/s. Den listades av Eggen (1965) som en sannolik medlem av Wolf 630-gruppen av stjärnor med gemensam rörelse. (sv)
  • 鯨魚座7,又名BD-19 21,HD 1038、SAO 147169、HR 48,是鯨魚座的一颗恒星,视星等为4.44,位于銀經75.11,銀緯-78.23,其B1900.0坐标为赤經0h 9m 33.7s,赤緯-19° -78.23′ 13″。 (zh)
  • 7 Ceti is a single, variable star in the equatorial constellation of Cetus. It has the variable star designation AE Ceti. The star is visible to the naked eye with a baseline apparent visual magnitude of 4.44. Based upon an annual parallax shift of only 7.3 mas, it is located roughly 450 light years away. It is moving closer to the Sun with a heliocentric radial velocity of −23 km/s. Eggen (1965) listed it as a probable member of the Wolf 630 group of co-moving stars. (en)
  • 7 Ceti (en abrégé 7 Cet) est une étoile variable de quatrième magnitude de la constellation équatoriale de la Baleine. Elle porte également la désignation d'étoile variable AE Ceti, tandis que 7 Ceti est sa désignation de Flamsteed. L'étoile présente une parallaxe annuelle de 7,3 mas telle que mesurée par le satellite Hipparcos, ce qui permet d'en déduire qu'elle est distante d'approximativement ∼450 a.l. (∼138 pc) de la Terre. Elle se rapproche du Système solaire à une vitesse radiale héliocentrique de −23 km/s. Selon Eggen (1965), elle est un membre probable du groupe mouvant de (en). (fr)
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absmag v
  • –1.24 (en)
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  • M1 III (en)
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