3.45
Apparent Mag960
Distance (ly)B7Ve+B
Spectral Type13,300
Temperature (K)Beta Lyrae is the prototype of a class of semi-detached eclipsing binaries where mass flows between the two stars.
Stellar Data
Apparent Magnitude3.45
Absolute Magnitude-3.47
Distance960 light-years
Spectral TypeB7Ve+B
Temperature13,300 K
Luminosity6,300 L☉
Radius15 R☉
Mass13 M☉
Right Ascension18h 50m 04.8s
Declination+33° 21′ 45.6″
ConstellationLyra
Notable Facts
- Beta Lyrae defines a class of semi-detached eclipsing binaries
- Mass is being transferred from one star to the other
- Its brightness varies between 3.3 and 4.4 every 12.94 days