B-type star · blue-white star
17 Com
17 Com is a blue-white star in the constellation Coma Berenices 238 ly from Earth. Its surface is about 10,882 K, about 1.9 times the Sun's surface temperature, and it shines at 35.42× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 238 years ago.
Also catalogued as HR 4752 · HD 108662 · HIP 60904
10,882 K
temperature
5.29
apparent magnitude
35.42× ☉
luminosity vs Sun
A0p
spectral type
Distance & comparison with our Sun
238 years
at light speed from Earth
1.89×
as hot as the Sun
35.42×
the Sun's light output
0.98
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.