27 Cancri

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27 Cancri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cancer
Right ascension 08h26m43.9s
Declination +12°39′16″
Apparent magnitude (V) +5.56
Distance 1050 ± 370 ly
(320 ± 110 pc)
Spectral type M3III
Other designations
BP Cancri, HR 3319, HD 71250, BD+13° 1912, FK5 2658, HIP 41400, SAO 97819, GC 11525

27 Cancri is a star in the constellation Cancer.

27 Cancri is a M-type red giant with a mean apparent magnitude of +5.56. It is approximately 1050 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +5.41 to +5.75 with a period of 40 days.

It has been analysed as a member of the Arcturus stream, a group of stars with high proper motion and metal-poor properties thought to be the remnants of a small galaxy consumed by the Milky Way.[1]


  1. ^ Eggen, Olin (1971). "The Arcturus Group". Publications of the Astronomical Society of the Pacific. 83 (493): 271–85. Bibcode:1971PASP...83..271E. doi:10.1086/129120.