45 Andromedae, abbreviated 45 And, is a double star in the northern constellation Andromeda. 45 Andromedae is the Flamsteed designation. Its combined apparent visual magnitude is 5.80. Based upon an annual parallax shift of , it is located 659 light years away.
The stellar classification of 45 And is B7 III-IV, matching an evolving subgiant/giant star. It has about 4.2 times the Sun's radius and is radiating 156 times the Sun's luminosity from its photosphere at an effective temperature of .
This star is most likely single. A companion star was discovered by American astronomer George W. Hough in 1890. As of 2006, the companion was at an angular separation of along a position angle of 225° from the primary.
References
External links Image 45 Andromedae