B-type star · blue-white star
Eta Ori
Eta Ori is a blue-white star in the constellation Orion 977 ly from Earth. Its surface is about 14,633 K, about 2.5 times the Sun's surface temperature, and it shines at 3,568× the Sun's brightness. At magnitude 3.4 it is bright enough to see with the naked eye; the light you see left it 977 years ago.
Also catalogued as HR 1788 · HD 35411 · HIP 25281
14,633 K
temperature
3.35
apparent magnitude
3,568× ☉
luminosity vs Sun
B1V + B2
spectral type
Distance & comparison with our Sun
977 years
at light speed from Earth
2.54×
as hot as the Sun
3,568×
the Sun's light output
-4.03
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.