50 Cassiopeiae

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50 Cassiopeiae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 02h03m26.1s
Declination +72°25′17″
Apparent magnitude (V) +3.95
Distance 162.1 ± 4.5 ly
(49.7 ± 1.4 pc)
Spectral type A2V
Other designations
HR 580, HD 12216, NGC 771, BD+71°117, FK5 70, HIP 9598, SAO 4560, GC 2445
Database references

50 Cassiopeiae is a star in the constellation Cassiopeia. In the past, it had been misidentified as a suspected nebula, and given the number NGC 771.

50 Cassiopeiae is a white A-type main sequence dwarf with an apparent magnitude of +3.95. It is approximately 162.1 light years from Earth.[1] It is a suspected variable star with a very small amplitude.[2]


  1. ^ "DOCdb page for 50 Cas". Retrieved 2016-12-09. 
  2. ^ Koen, Chris; Eyer, Laurent (2002). "New periodic variables from the Hipparcos epoch photometry". Monthly Notices of the Royal Astronomical Society. 331: 45. Bibcode:2002MNRAS.331...45K. arXiv:astro-ph/0112194Freely accessible. doi:10.1046/j.1365-8711.2002.05150.x.