A-type star · white star
3 Com
3 Com is a white star in the constellation Coma Berenices 731 ly from Earth. Its surface is about 9,328 K, about 1.6 times the Sun's surface temperature, and it shines at 121× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 731 years ago.
Also catalogued as HR 4632 · HD 105778 · HIP 59352
9,328 K
temperature
6.40
apparent magnitude
121× ☉
luminosity vs Sun
A4V
spectral type
Distance & comparison with our Sun
731 years
at light speed from Earth
1.62×
as hot as the Sun
121×
the Sun's light output
-0.35
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.