B-type star · blue-white star
Tau Lib
Tau Lib is a blue-white star in the constellation Libra 367 ly from Earth. Its surface is about 13,055 K, about 2.3 times the Sun's surface temperature, and it shines at 378× the Sun's brightness. At magnitude 3.7 it is bright enough to see with the naked eye; the light you see left it 367 years ago.
Also catalogued as HR 5812 · HD 139365 · HIP 76600
13,055 K
temperature
3.66
apparent magnitude
378× ☉
luminosity vs Sun
B2.5V
spectral type
Distance & comparison with our Sun
367 years
at light speed from Earth
2.26×
as hot as the Sun
378×
the Sun's light output
-1.59
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.