B-type star · blue-white star
34 Cnc
34 Cnc is a blue-white star in the constellation Cancer 539 ly from Earth. Its surface is about 10,213 K, about 1.8 times the Sun's surface temperature, and it shines at 60.87× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 539 years ago.
Also catalogued as HR 3372 · HD 72359 · HIP 41904
10,213 K
temperature
6.48
apparent magnitude
60.87× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
539 years
at light speed from Earth
1.77×
as hot as the Sun
60.87×
the Sun's light output
0.39
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.