K-type star · orange
HR 866
HR 866 is an orange in the constellation Horologium 534 ly from Earth. Its surface is about 4,215 K, about 0.7 times the Sun's surface temperature, and it shines at 90.36× the Sun's brightness. At magnitude 6.0 it is within reach of 50 mm binoculars; the light you see left it 534 years ago.
Also catalogued as HD 18185 · HIP 13387
4,215 K
temperature
6.03
apparent magnitude
90.36× ☉
luminosity vs Sun
K1III
spectral type
Distance & comparison with our Sun
534 years
at light speed from Earth
0.73×
as hot as the Sun
90.36×
the Sun's light output
-0.04
absolute magnitude
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BINOCULARS NEEDED
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.