B-type star · blue-white star
HR 7378
HR 7378 is a blue-white star in the constellation Sagittarius 698 ly from Earth. Its surface is about 10,039 K, about 1.7 times the Sun's surface temperature, and it shines at 208× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 698 years ago.
Also catalogued as HD 182645 · HIP 95557
10,039 K
temperature
5.71
apparent magnitude
208× ☉
luminosity vs Sun
B7IV
spectral type
Distance & comparison with our Sun
698 years
at light speed from Earth
1.74×
as hot as the Sun
208×
the Sun's light output
-0.94
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.