K-type star · orange
HR 2316
HR 2316 is an orange in the constellation Columba 331 ly from Earth. Its surface is about 4,679 K, about 0.8 times the Sun's surface temperature, and it shines at 50.72× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 331 years ago.
Also catalogued as HD 45145 · HIP 30444
4,679 K
temperature
5.62
apparent magnitude
50.72× ☉
luminosity vs Sun
K1II/III
spectral type
Distance & comparison with our Sun
331 years
at light speed from Earth
0.81×
as hot as the Sun
50.72×
the Sun's light output
0.59
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.