B-type star · blue-white star
72 Ori
72 Ori is a blue-white star in the constellation Orion 523 ly from Earth. Its surface is about 11,590 K, about 2.0 times the Sun's surface temperature, and it shines at 164× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 523 years ago.
Also catalogued as HR 2223 · HD 43153 · HIP 29704
11,590 K
temperature
5.34
apparent magnitude
164× ☉
luminosity vs Sun
B7V
spectral type
Distance & comparison with our Sun
523 years
at light speed from Earth
2.01×
as hot as the Sun
164×
the Sun's light output
-0.68
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.