B-type star · blue-white star
HR 5140
HR 5140 is a blue-white star in the constellation Centaurus 782 ly from Earth. Its surface is about 10,502 K, about 1.8 times the Sun's surface temperature, and it shines at 353× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 782 years ago.
Also catalogued as HD 118978 · HIP 66849
10,502 K
temperature
5.38
apparent magnitude
353× ☉
luminosity vs Sun
B9IV
spectral type
Distance & comparison with our Sun
782 years
at light speed from Earth
1.82×
as hot as the Sun
353×
the Sun's light output
-1.52
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.