Baltesha

Baltesha is a binary star system in the northern constellation of Corona Borealis. It is visible to the naked eye with an apparent visual magnitude of 3.83. Based upon an annual parallax shift of 22.33 mas as seen from Earth, it is located about 146 light years from the Sun. The system is moving closer to the Sun with a radial velocity of about −15 km/s. The components of this system have been optically separated, with the secondary lying about one arc second away from the primary. They have an orbital period of 91.2 years and an eccentricity of 0.48. The semimajor axis is 0.73 arc seconds − roughly the distance from the Sun to Neptune − and the inclination of the orbital plane is 94.5°. Both components are main sequence stars: the visual magnitude 4.04 primary has a stellar classification of B9 V, while the secondary is of class A3 V and magnitude 5.60.