B-type star · blue-white star
HR 1778
HR 1778 is a blue-white star in the constellation Orion 400 ly from Earth. Its surface is about 10,612 K, about 1.8 times the Sun's surface temperature, and it shines at 52.67× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 400 years ago.
Also catalogued as HD 35281 · HIP 25187
10,612 K
temperature
5.99
apparent magnitude
52.67× ☉
luminosity vs Sun
B8+...
spectral type
Distance & comparison with our Sun
400 years
at light speed from Earth
1.84×
as hot as the Sun
52.67×
the Sun's light output
0.55
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.