B-type star · blue-white star
HR 2323
HR 2323 is a blue-white star in the constellation Columba 541 ly from Earth. Its surface is about 10,781 K, about 1.9 times the Sun's surface temperature, and it shines at 72.31× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 541 years ago.
Also catalogued as HD 45306 · HIP 30505
10,781 K
temperature
6.30
apparent magnitude
72.31× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
541 years
at light speed from Earth
1.87×
as hot as the Sun
72.31×
the Sun's light output
0.20
absolute magnitude
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BINOCULARS NEEDED
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.