K-type star · orange
HR 7909
HR 7909 is an orange in the constellation Microscopium 453 ly from Earth. Its surface is about 3,718 K, about 0.6 times the Sun's surface temperature, and it shines at 84.18× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 453 years ago.
Also catalogued as HD 196917 · HIP 102092
3,718 K
temperature
5.75
apparent magnitude
84.18× ☉
luminosity vs Sun
M1III
spectral type
Distance & comparison with our Sun
453 years
at light speed from Earth
0.64×
as hot as the Sun
84.18×
the Sun's light output
0.04
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.