M-type star · red
HR 6842
HR 6842 is a red in the constellation Sagittarius 762 ly from Earth. Its surface is about 3,609 K, about 0.6 times the Sun's surface temperature, and it shines at 650× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 762 years ago.
Also catalogued as HD 167818 · HIP 89678
3,609 K
temperature
4.66
apparent magnitude
650× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
762 years
at light speed from Earth
0.63×
as hot as the Sun
650×
the Sun's light output
-2.18
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.