5 Persei

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5 Persei
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Perseus
Right ascension 02h 25m 16.02916s [1]
Declination +56° 36 35.3536 [1]
Spectral typeB5Ia

5 Persei is a double star in the constellation Perseus located around 1,786 parsecs (5,830 ly) away. The primary, with an apparent magnitude of 6.27, is a blue supergiant of spectral type B5Ia,[1] a massive star that has used up its core hydrogen and is now fusing heavier elements. The secondary, with an apparent magnitude of 12.4, is of an unknown class.[2]

References

  1. 1.0 1.1 1.2 "5 Persei". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 4 January 2013. 
  2. "BD+56 438B". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 4 January 2013. 
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