K-type star · orange
HR 7799
HR 7799 is an orange in the constellation Sagittarius 342 ly from Earth. Its surface is about 4,010 K, about 0.7 times the Sun's surface temperature, and it shines at 35.38× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 342 years ago.
Also catalogued as HD 194184 · HIP 100764
4,010 K
temperature
6.08
apparent magnitude
35.38× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
342 years
at light speed from Earth
0.69×
as hot as the Sun
35.38×
the Sun's light output
0.98
absolute magnitude
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BINOCULARS NEEDED
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.