Gamma Cancri

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γ Cancri
Observation data
Epoch J2000.0
Constellation
(pronunciation)
Cancer
Right ascension 08h43m17.1s
Declination +21°28′07″
Apparent magnitude (V) +4.66
Distance 158 ± 7 ly
(49 ± 2 pc)
Spectral type A1IV
Other designations
Asellus Borealis, Severnyj Oslenok, 43 Cancri, HR 3449, HD 74198, BD+21°1895, FK5 1228, HIP 42806, SAO 80378, GC 11982, CCDM 08433+2128

Gamma Cancri (γ Cnc / γ Cancri) is a star system in the constellation Cancer. It also has the traditional name Asellus Borealis (Latin for "northern donkey colt").

γ Cancri is a white A-type subgiant with an apparent magnitude of +4.66. It is approximately 158 light years from Earth. Since it is near the ecliptic, it can be occulted by the Moon and very rarely by planets.