M-type star · red
HR 877
HR 877 is a red in the constellation Cetus 738 ly from Earth. Its surface is about 3,617 K, about 0.6 times the Sun's surface temperature, and it shines at 155× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 738 years ago.
Also catalogued as HD 18345 · HIP 13756
3,617 K
temperature
6.15
apparent magnitude
155× ☉
luminosity vs Sun
M4III
spectral type
Distance & comparison with our Sun
738 years
at light speed from Earth
0.63×
as hot as the Sun
155×
the Sun's light output
-0.62
absolute magnitude
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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.