A-type star · white star
Sigma¹ Cnc
Sigma¹ Cnc is a white star in the constellation Cancer 210 ly from Earth. Its surface is about 7,982 K, about 1.4 times the Sun's surface temperature, and it shines at 19.53× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 210 years ago.
Also catalogued as HR 3519 · HD 75698 · HIP 43584
7,982 K
temperature
5.67
apparent magnitude
19.53× ☉
luminosity vs Sun
A8Vms
spectral type
Distance & comparison with our Sun
210 years
at light speed from Earth
1.38×
as hot as the Sun
19.53×
the Sun's light output
1.62
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.