B-type star · blue-white star
HR 3198
HR 3198 is a blue-white star in the constellation Cancer 636 ly from Earth. Its surface is about 10,002 K, about 1.7 times the Sun's surface temperature, and it shines at 108× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 636 years ago.
Also catalogued as HD 67959 · HIP 40058
10,002 K
temperature
6.22
apparent magnitude
108× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
636 years
at light speed from Earth
1.73×
as hot as the Sun
108×
the Sun's light output
-0.23
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.