B-type star · blue-white star
10 Lac
10 Lac is a blue-white star in the constellation Lacerta 1,726 ly from Earth. Its surface is about 13,756 K, about 2.4 times the Sun's surface temperature, and it shines at 2,699× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 1,726 years ago.
Also catalogued as HR 8622 · HD 214680 · HIP 111841
13,756 K
temperature
4.89
apparent magnitude
2,699× ☉
luminosity vs Sun
O9V
spectral type
Distance & comparison with our Sun
1,726 years
at light speed from Earth
2.38×
as hot as the Sun
2,699×
the Sun's light output
-3.73
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.