7.06
Apparent Mag860
Distance (ly)A8-F7
Spectral Type6,300
Temperature (K)RR Lyrae is the prototype of a class of pulsating variable stars found in globular clusters. They are standard candles for measuring distances.
Stellar Data
Apparent Magnitude7.06
Absolute Magnitude-0.5
Distance860 light-years
Spectral TypeA8-F7
Temperature6,300 K
Luminosity40 L☉
Radius5.1 R☉
Mass0.65 M☉
Right Ascension19h 25m 27.9s
Declination+42° 47′ 03.7″
ConstellationLyra
Notable Facts
- RR Lyrae defines a class of pulsating variables found in old stellar populations
- RR Lyrae stars are used as standard candles for distance measurement
- The star pulsates with a period of about 0.567 days