A-type star · white star
Sigma² Cnc
Sigma² Cnc is a white star in the constellation Cancer 194 ly from Earth. Its surface is about 8,313 K, about 1.4 times the Sun's surface temperature, and it shines at 20.61× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 194 years ago.
Also catalogued as HR 3555 · HD 76398 · HIP 43932
8,313 K
temperature
5.44
apparent magnitude
20.61× ☉
luminosity vs Sun
A7IV
spectral type
Distance & comparison with our Sun
194 years
at light speed from Earth
1.44×
as hot as the Sun
20.61×
the Sun's light output
1.56
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.