B-type star · blue-white star
Xi Oct
Xi Oct is a blue-white star in the constellation Octans 493 ly from Earth. Its surface is about 12,029 K, about 2.1 times the Sun's surface temperature, and it shines at 148× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 493 years ago.
Also catalogued as HR 8663 · HD 215573 · HIP 112781
12,029 K
temperature
5.32
apparent magnitude
148× ☉
luminosity vs Sun
B6IV
spectral type
Distance & comparison with our Sun
493 years
at light speed from Earth
2.08×
as hot as the Sun
148×
the Sun's light output
-0.58
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.