A-type star · white star
22 Com
22 Com is a white star in the constellation Coma Berenices 290 ly from Earth. Its surface is about 8,895 K, about 1.5 times the Sun's surface temperature, and it shines at 21.24× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 290 years ago.
Also catalogued as HR 4780 · HD 109307 · HIP 61295
8,895 K
temperature
6.28
apparent magnitude
21.24× ☉
luminosity vs Sun
A4V
spectral type
Distance & comparison with our Sun
290 years
at light speed from Earth
1.54×
as hot as the Sun
21.24×
the Sun's light output
1.53
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.