M-type star · red
Kappa Lib
Kappa Lib is a red in the constellation Libra 309 ly from Earth. Its surface is about 3,685 K, about 0.6 times the Sun's surface temperature, and it shines at 98.17× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 309 years ago.
Also catalogued as HR 5838 · HD 139997 · HIP 76880
3,685 K
temperature
4.75
apparent magnitude
98.17× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
309 years
at light speed from Earth
0.64×
as hot as the Sun
98.17×
the Sun's light output
-0.13
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.