HD_215456
HD 215456
Star in the constellation Grus
HD 215456 is a star in the southern constellation Grus. It is a dim, yellow-hued star that lies just below the normal limit for visibility to the naked eye with an apparent visual magnitude of 6.63.[2] The distance to this star is 129 light years based on parallax, and it has an absolute magnitude of 3.73.[2] It is drifting closer with a radial velocity of −18.9 km/s.[1]
This object is a solar-type main-sequence star with a stellar classification of G0.5V.[3] It is about 7.5[2] billion years old with a projected rotational velocity of 2.3 km/s.[5] The star has 1.2[4] times the mass of the Sun and 1.7[1] times the Sun's radius. The metallicity, or abundance of elements with higher atomic numbers than helium, is slightly below solar.[2] The star is radiating triple the luminosity of the Sun from its photosphere at an effective temperature of 5,818 K.[1]