K-type star · orange
30 Her
30 Her is an orange in the constellation Hercules 354 ly from Earth. Its surface is about 4,141 K, about 0.7 times the Sun's surface temperature, and it shines at 120× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 354 years ago.
Also catalogued as HR 6146 · HD 148783 · HIP 80704
4,141 K
temperature
4.83
apparent magnitude
120× ☉
luminosity vs Sun
M6III:var
spectral type
Distance & comparison with our Sun
354 years
at light speed from Earth
0.72×
as hot as the Sun
120×
the Sun's light output
-0.35
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.