M-type star · red
Omicron¹ Ori
Omicron¹ Ori is a red in the constellation Orion 651 ly from Earth. Its surface is about 3,424 K, about 0.6 times the Sun's surface temperature, and it shines at 453× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 651 years ago.
Also catalogued as HR 1556 · HD 30959 · HIP 22667
3,424 K
temperature
4.71
apparent magnitude
453× ☉
luminosity vs Sun
M3Sv
spectral type
Distance & comparison with our Sun
651 years
at light speed from Earth
0.59×
as hot as the Sun
453×
the Sun's light output
-1.79
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.