K-type star · orange
HR 6646
HR 6646 is an orange in the constellation Apus 822 ly from Earth. Its surface is about 3,752 K, about 0.7 times the Sun's surface temperature, and it shines at 156× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 822 years ago.
Also catalogued as HD 162337 · HIP 88599
3,752 K
temperature
6.37
apparent magnitude
156× ☉
luminosity vs Sun
K3/K4III
spectral type
Distance & comparison with our Sun
822 years
at light speed from Earth
0.65×
as hot as the Sun
156×
the Sun's light output
-0.64
absolute magnitude
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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.