F-type star · yellow-white star
9 Com
9 Com is a yellow-white star in the constellation Coma Berenices 178 ly from Earth. Its surface is about 6,286 K, about 1.1 times the Sun's surface temperature, and it shines at 7.25× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 178 years ago.
Also catalogued as HR 4688 · HD 107213 · HIP 60098
6,286 K
temperature
6.38
apparent magnitude
7.25× ☉
luminosity vs Sun
F8Vs
spectral type
Distance & comparison with our Sun
178 years
at light speed from Earth
1.09×
as hot as the Sun
7.25×
the Sun's light output
2.70
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.