3_Cancri
3 Cancri
Star in the constellation Cancer
3 Cancri is a single[7] star in the zodiac constellation of Cancer, located around 810 light years from the Sun. It is visible to the naked eye as a dim, orange-hued star with an apparent visual magnitude of 5.60.[2] This object is moving further from the Earth with a heliocentric radial velocity of +39.5 km/s,[1] and may be a member of the Hyades group.[8] It is located near the ecliptic and thus is subject to lunar eclipses.[9]
This is an aging giant star with a stellar classification of K3 III[4] that is most likely (86% chance) on the horizontal branch.[3] The star has 2.9 times the mass of the Sun and has expanded to 40 times the Sun's radius.[3] It is radiating 569[2] times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,300 K.[5]