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34 Persei is a binary star system in the northern constellation of Perseus. It is visible to the naked eye as a faint, blue-white hued point of light with a combined apparent visual magnitude of 4.67. The system is located approximately 540 light years away from the Sun based on parallax, but it is drifting closer with a radial velocity of −3.5 km/s. It is a likely member of the Alpha Persei Cluster. The secondary companion, component B, has an angular separation of 0.6″ from the primary and visual magnitude of 7.34.

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  • 34 Persei (en)
  • 34 Persei (in)
  • 34 Persei (fr)
  • 34 Persei (sv)
  • 天船增三 (zh)
rdfs:comment
  • 34 Persei (en abrégé 34 Per) est une étoile binaire de la constellation boréale de Persée, distante d'environ 540 années-lumière de la Terre. Elle est visible à l'œil nu avec une magnitude apparente combinée de 4,67. (fr)
  • 34 Persei (34 Per) adalah bintang kelas B3 yang berada di rasi Perseus. Bintang ini berada pada jarak 558 tahun cahaya dari Bumi. Bintang ini bermagnitudo 4.67. (in)
  • 34 Persei, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna belägen i den norra delen av stjärnbilden, Perseus. Den har en kombinerad skenbar magnitud på ca 4,67 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 6,1 mas, beräknas den befinna sig på ett avstånd på ca 540 ljusår (ca 165 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca –3,5 km/s. Stjärnan ingår i Alfa Persei-hopen. (sv)
  • 英仙座34,又名BD+49 945,HD 21428、SAO 38872、HR 1044,是英仙座的一颗恒星,视星等为4.67,位于銀經147.45,銀緯-5.7,其B1900.0坐标为赤經3h 22m 12.8s,赤緯+49° -5.7′ 46″。 (zh)
  • 34 Persei is a binary star system in the northern constellation of Perseus. It is visible to the naked eye as a faint, blue-white hued point of light with a combined apparent visual magnitude of 4.67. The system is located approximately 540 light years away from the Sun based on parallax, but it is drifting closer with a radial velocity of −3.5 km/s. It is a likely member of the Alpha Persei Cluster. The secondary companion, component B, has an angular separation of 0.6″ from the primary and visual magnitude of 7.34. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Perseus_constellation_map.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Red_circle.svg
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absmag v
  • −1.62 (en)
appmag v
b-v
  • −0.09 (en)
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  • B3V (en)
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  • J2000 (en)
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