10.8
Apparent Mag2,600
Distance (ly)M3III+pec
Spectral Type3,400
Temperature (K)T Coronae Borealis, also known as the Blaze Star, is a recurrent nova that erupts approximately every 80 years. The next eruption is eagerly anticipated.
Stellar Data
Apparent Magnitude10.8
Absolute Magnitude-1.7
Distance2,600 light-years
Spectral TypeM3III+pec
Temperature3,400 K
Luminosity5,000 L☉
Radius75 R☉
Mass1.2 M☉
Right Ascension15h 59m 30.2s
Declination+25° 55′ 12.6″
ConstellationCorona Borealis
Notable Facts
- T CrB erupted in 1866 and 1946 and may erupt again soon
- During outburst it brightens from magnitude 10 to about 2
- It consists of a red giant and a white dwarf that accumulates matter