HD_110956
HD 110956
Star in the constellation Crux
HD 110956 is a single[10] star in the southern constellation of Crux. It is faintly visible to the naked eye with an apparent visual magnitude of 4.62.[2] The distance to this star is approximately 385 light years based on parallax and it is drifting further away with a radial velocity of 15.5 km/s.[4] It is a probable member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[11]
This is a B-type main-sequence star with a stellar classification of B2/3V.[3] It is a young star, estimated to be about 8 million years old, with six times the mass of the Sun.[6] The star is spinning with a projected rotational velocity of 22 km/s.[9] It is radiating around 400[7] times the luminosity of the Sun from its photosphere at an effective temperature of 16,780 K.[9]
There are multiple visual companions positioned near HD 110956. The brightest of these, with a visual magnitude of 8.93, is located at an angular separation of 51.1″ along a position angle of 166°, as of 2020. This companion was reported by J. F. W. Herschel in 1834.[12] It is an α2 CVn variable with the designation BR Cru.[13]