K-type star · orange
HR 177
HR 177 is an orange in the constellation Cassiopeia 517 ly from Earth. Its surface is about 4,644 K, about 0.8 times the Sun's surface temperature, and it shines at 102× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 517 years ago.
Also catalogued as HD 3856 · HIP 3299
4,644 K
temperature
5.83
apparent magnitude
102× ☉
luminosity vs Sun
G9III-IV
spectral type
Distance & comparison with our Sun
517 years
at light speed from Earth
0.80×
as hot as the Sun
102×
the Sun's light output
-0.17
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.