F-type star · yellow-white star
Sigma Cet
Sigma Cet is a yellow-white star in the constellation Cetus 87.1 ly from Earth. Its surface is about 6,605 K, about 1.1 times the Sun's surface temperature, and it shines at 7.88× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 87 years ago.
Also catalogued as HR 740 · HD 15798 · HIP 11783
6,605 K
temperature
4.74
apparent magnitude
7.88× ☉
luminosity vs Sun
F5V
spectral type
Distance & comparison with our Sun
87 years
at light speed from Earth
1.14×
as hot as the Sun
7.88×
the Sun's light output
2.61
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.