M-type star · red
Garnet Star
Garnet Star is a red in the constellation Cepheus. Its surface is about 2,937 K, about 0.5 times the Sun's surface temperature, and it shines at 177,010,896× the Sun's brightness. At magnitude 4.2 it is bright enough to see with the naked eye.
brightness mag 4.23M2Ia
Also catalogued as Mu Cep · HR 8316 · HD 206936 · HIP 107259
2,937 K
temperature
4.23
apparent magnitude
177,010,896× ☉
luminosity vs Sun
M2Ia
spectral type
Distance & comparison with our Sun
–
at light speed from Earth
0.51×
as hot as the Sun
177,010,896×
the Sun's light output
-15.77
absolute magnitude
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VISIBLE TO THE NAKED EYE
Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.