K-type star · orange
78 Aqr
78 Aqr is an orange in the constellation Aquarius 672 ly from Earth. Its surface is about 4,150 K, about 0.7 times the Sun's surface temperature, and it shines at 123× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 672 years ago.
Also catalogued as HR 8710 · HD 216637 · HIP 113127
4,150 K
temperature
6.20
apparent magnitude
123× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
672 years
at light speed from Earth
0.72×
as hot as the Sun
123×
the Sun's light output
-0.37
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.