B-type star · blue-white star
57 Ori
57 Ori is a blue-white star in the constellation Orion 1,822 ly from Earth. Its surface is about 12,390 K, about 2.1 times the Sun's surface temperature, and it shines at 1,165× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 1,822 years ago.
Also catalogued as HR 2052 · HD 39698 · HIP 27965
12,390 K
temperature
5.92
apparent magnitude
1,165× ☉
luminosity vs Sun
B2V
spectral type
Distance & comparison with our Sun
1,822 years
at light speed from Earth
2.15×
as hot as the Sun
1,165×
the Sun's light output
-2.82
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.