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Cancer is one of the twelve constellations of the zodiac and is located in the Northern celestial hemisphere.Its name is Latin for crab and it is commonly represented as one. . Cancer is a medium-size constellation with an area of 506 square degrees and its stars are rather faint, its brightest star Beta Cancri having an apparent magnitude of 3
Beta Cancri (β Cancri, abbreviated Beta Cnc, β Cnc), also named Tarf / ˈ t ɑːr f /, [10] is the brightest star in the zodiacal constellation of Cancer.It has an apparent visual magnitude of +3.5 [2] and an absolute magnitude of −1.2. [6]
This is the list of notable stars in the constellation Cancer. The 121 stars are sorted by decreasing brightness, beginning with Beta Cancri , the brightest star in Cancer. Name
Iota Cancri (ι Cnc, ι Cancri) is a double star in the constellation Cancer approximately 300 light years from Earth. The two stars of ι Cancri are separated by 30 arcseconds, changing only slowly. Although no orbit has been derived, the two stars show a large common proper motion and are assumed to be gravitationally related. [12]
Epsilon Cancri (ε Cancri, abbreviated Epsilon Cnc, ε Cnc) is a white-hued binary star system in the zodiac constellation of Cancer.It is the brightest member of the Beehive Cluster [14] with an apparent visual magnitude of +6.29, [2] which is near the lower limit of visibility with the naked eye.
Beta Cancri (Altarf), the brightest star in Cancer, is one of the largest stars known to host exoplanets. [5] It is a K-type giant with 70% more mass than the Sun [1] but a diameter 50 times larger.
Zeta Cancri Ca is the brightest of the three components, having an apparent magnitude of +6.12. It appears to be a yellow G-type star, often reported as G5V, but now thought to be earlier, probably G0V. This star has around 1.15 solar masses and 1.27 solar radii. [12] The tenth magnitude Zeta Cancri Cb is a close pair of red dwarfs.
X Cancri is a variable star in the northern constellation of Cancer. [8] It has a red hue and is visible to the naked eye at its brightest. The distance to this object is approximately 1,860 light years based on parallax measurements, but is drifting closer with a radial velocity of −5 km/s.