K-type star · orange dwarf
HR 7578
HR 7578 is an orange dwarf in the constellation Sagittarius 45.8 ly from Earth. Its surface is about 4,702 K, about 0.8 times the Sun's surface temperature, and it shines at 0.56× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 46 years ago.
Also catalogued as HD 188088 · HIP 97944 · Gliese Gl 770
4,702 K
temperature
6.22
apparent magnitude
0.56× ☉
luminosity vs Sun
K3/K4V
spectral type
Distance & comparison with our Sun
46 years
at light speed from Earth
0.81×
as hot as the Sun
0.56×
the Sun's light output
5.48
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.