31 Persei

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31 Persei
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Perseus
Right ascension 03h 19m 07.63892s [1]
Declination +50° 05′ 41.8826″ [1]
Spectral type B5V

31 Persei is a star in the constellation Perseus. Its apparent magnitude is 5.03. Located around 172 parsecs (560 ly) distant, it is a blue main-sequence star of spectral type B5V,[1] a massive star that is currently fusing its core hydrogen. The star is a member of the Alpha Persei Cluster of stars.[1]


  1. ^ a b c d "31 Persei". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 28 December 2013.