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Psi Persei (Psi Per, ψ Persei, ψ Per) is a single Be star in the northern constellation of Perseus. It has an apparent visual magnitude of 4.31, so it is visible to the naked eye at night under suitably dark skies. Based on parallax measurements, it is located at a distance of roughly 580 light-years (180 parsecs) from the Earth.

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  • Psi Persei (in)
  • Psi Persei (fr)
  • Psi Persei (en)
  • Psi Persei (pt)
  • Psi Persei (sv)
  • 天船四 (zh)
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  • Psi Persei (ψ Per / ψ Persei) adalah bintang kelas B5 yang berada di rasi Perseus. Bintang ini berada pada jarak 700 tahun cahaya dari Bumi. Bintang ini bermagnitudo 4.32. (in)
  • Psi Persei (ψ Persei / ψ Per) est une étoile Be de la constellation boréale de Persée, distante d'environ 580 années-lumière de la Terre. Elle est visible à l'œil nu avec une magnitude apparente de 4,23. (fr)
  • Psi Persei (37 Persei) é uma estrela na direção da constelação de Perseus. Possui uma ascensão reta de 03h 36m 29.36s e uma declinação de +48° 11′ 33.7″. Sua magnitude aparente é igual a 4.32. Considerando sua distância de 700 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.81. Pertence à classe espectral B5Ve. É uma estrela variável γ Cassiopeiae. (pt)
  • Psi Persei (ψ Persei, förkortat Psi Per, ψ Per), som är stjärnans Bayer-beteckning, är en ensam stjärna i den norra delen av stjärnbilden Perseus. Den har en genomsnittlig skenbar magnitud 4,03 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätningar i Hipparcos-uppdraget på 5,6 mas beräknas den befinna sig på ca 580 ljusårs (179 parsek) avstånd från solen. Stjärnan kan ingå i Alfa Persei-hopen, även om dess egenrörelse är hög jämfört med andra medlemmar i hopen. (sv)
  • 天船四,即英仙座ψ(ψ Persei),是一颗位于英仙座的Be星,距离地球约700光年。 Be星是一种壳层星,在其赤道周围有气体的星周盘环绕,天船四有明显的发射光谱,视星等也在变化。 天船四的自转非常快速,赤道的投影自转速度(v sin i)至少为390 km/s。 天船四可能是疏散星团英仙座α星团的成员,但它的自行速度明显高于英仙座α星团的其他恒星。 (zh)
  • Psi Persei (Psi Per, ψ Persei, ψ Per) is a single Be star in the northern constellation of Perseus. It has an apparent visual magnitude of 4.31, so it is visible to the naked eye at night under suitably dark skies. Based on parallax measurements, it is located at a distance of roughly 580 light-years (180 parsecs) from the Earth. (en)
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  • ψ Persei (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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