F-type star · yellow-white star
Sigma Ser
Sigma Ser is a yellow-white star in the constellation Serpens 88.9 ly from Earth. Its surface is about 7,229 K, about 1.3 times the Sun's surface temperature, and it shines at 7.64× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 89 years ago.
Also catalogued as HR 6093 · HD 147449 · HIP 80179 · Gliese GJ 3952
7,229 K
temperature
4.82
apparent magnitude
7.64× ☉
luminosity vs Sun
F0V
spectral type
Distance & comparison with our Sun
89 years
at light speed from Earth
1.25×
as hot as the Sun
7.64×
the Sun's light output
2.64
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.