A-type star · white star
70 Cnc
70 Cnc is a white star in the constellation Cancer 637 ly from Earth. Its surface is about 9,859 K, about 1.7 times the Sun's surface temperature, and it shines at 71.38× the Sun's brightness. At magnitude 6.7 it is within reach of 50 mm binoculars; the light you see left it 637 years ago.
Also catalogued as HR 3601 · HD 77557 · HIP 44512
9,859 K
temperature
6.67
apparent magnitude
71.38× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
637 years
at light speed from Earth
1.71×
as hot as the Sun
71.38×
the Sun's light output
0.22
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.