B-type star · blue-white star
Gamma Lup
Gamma Lup is a blue-white star in the constellation Lupus 421 ly from Earth. Its surface is about 13,983 K, about 2.4 times the Sun's surface temperature, and it shines at 1,100× the Sun's brightness. At magnitude 2.8 it is bright enough to see with the naked eye; the light you see left it 421 years ago.
Also catalogued as HR 5776 · HD 138690 · HIP 76297
13,983 K
temperature
2.80
apparent magnitude
1,100× ☉
luminosity vs Sun
B2IV
spectral type
Distance & comparison with our Sun
421 years
at light speed from Earth
2.42×
as hot as the Sun
1,100×
the Sun's light output
-2.75
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.