RR Coronae Borealis


RR Coronae Borealis is a M3-type semiregular variable star located in the constellation Corona Borealis with a parallax of 2.93mas being a distance of. It varies between magnitudes 7.3 and 8.2 over 60.8 days. Located around 1228 light-years distant, it shines with a luminosity approximately 2180 times that of the Sun and has a surface temperature of 3309 K.