B-type star · blue-white star
23 Ori
23 Ori is a blue-white star in the constellation Orion 1,553 ly from Earth. Its surface is about 11,506 K, about 2.0 times the Sun's surface temperature, and it shines at 1,993× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 1,553 years ago.
Also catalogued as HR 1770 · HD 35149 · HIP 25142
11,506 K
temperature
4.99
apparent magnitude
1,993× ☉
luminosity vs Sun
B1V
spectral type
Distance & comparison with our Sun
1,553 years
at light speed from Earth
1.99×
as hot as the Sun
1,993×
the Sun's light output
-3.40
absolute magnitude
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Nearest stars
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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.