K-type star · orange dwarf
Ross 687
Ross 687 is an orange dwarf in the constellation Hydra 68.3 ly from Earth. Its surface is about 3,862 K, about 0.7 times the Sun's surface temperature, and it shines at 0.004× the Sun's brightness. At magnitude 12.4 it is within reach of 4-6" (100-150 mm) telescope; the light you see left it 68 years ago.
Also catalogued as HIP 44263 · Gliese Gl 333.2B
3,862 K
temperature
12.37
apparent magnitude
0.004× ☉
luminosity vs Sun
M4
spectral type
Distance & comparison with our Sun
68 years
at light speed from Earth
0.67×
as hot as the Sun
0.004×
the Sun's light output
10.77
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.