1 Persei

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1 Persei
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Perseus
Right ascension 01h 51m 59.31962s [1]
Declination +55° 08′ 50.5767″ [1]
Spectral type B1.5V [1]

1 Persei (1 Per) is a eclipsing binary[2] star in the constellation Perseus. Its apparent magnitude is 5.51.

References[edit]

  1. ^ a b c SIMBAD, 1 Persei (accessed 13 January 2013)
  2. ^ North, P. et al. (1981). "1 Per: a new eclipsing binary with a long period and an elliptical orbit". Information Bulletin on Variable Stars 2036. Bibcode:1981IBVS.2036....1N.