K-type star · orange
Eta Ser
Eta Ser is an orange in the constellation Serpens 60.5 ly from Earth. Its surface is about 4,889 K, about 0.8 times the Sun's surface temperature, and it shines at 15.29× the Sun's brightness. At magnitude 3.2 it is bright enough to see with the naked eye; the light you see left it 60 years ago.
Also catalogued as HR 6869 · HD 168723 · HIP 89962 · Gliese Gl 711
4,889 K
temperature
3.23
apparent magnitude
15.29× ☉
luminosity vs Sun
K0III-IV
spectral type
Distance & comparison with our Sun
60 years
at light speed from Earth
0.85×
as hot as the Sun
15.29×
the Sun's light output
1.89
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.