Alathfar is a white main-sequence star in the constellation Lyra. At 439 light years away, it shines at an apparent visual magnitude of 5.11. It is moving through the Galaxy at a speed of 27.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 18,700 and 24,100 light years from the center of the Galaxy. It will come closest to the Sun 4.1 million years from now when it will brighten to magnitude 3.61 from a distance of 219 light years.
Sky position: RA 18h 24.2m, Dec +39° 30.6'
Common designations: Alathfar, Mu Lyrae, 2 Lyrae, HIP 90191, HD 169702, HR 6903
Stars of the Northern Hemisphere The Modern Guide to the Stars