K-type star · orange
Tau³ Ser
Tau³ Ser is an orange in the constellation Serpens 379 ly from Earth. Its surface is about 4,804 K, about 0.8 times the Sun's surface temperature, and it shines at 42.78× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 379 years ago.
Also catalogued as HR 5795 · HD 139074 · HIP 76337
4,804 K
temperature
6.10
apparent magnitude
42.78× ☉
luminosity vs Sun
G8III:
spectral type
Distance & comparison with our Sun
379 years
at light speed from Earth
0.83×
as hot as the Sun
42.78×
the Sun's light output
0.77
absolute magnitude
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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.