B-type star · blue-white star
Zeta⁴ Lib
Zeta⁴ Lib is a blue-white star in the constellation Libra 656 ly from Earth. Its surface is about 12,449 K, about 2.2 times the Sun's surface temperature, and it shines at 216× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 656 years ago.
Also catalogued as HR 5764 · HD 138485 · HIP 76126
12,449 K
temperature
5.53
apparent magnitude
216× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
656 years
at light speed from Earth
2.16×
as hot as the Sun
216×
the Sun's light output
-0.99
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.