K-type star · orange
HR 6564
HR 6564 is an orange in the constellation Hercules 435 ly from Earth. Its surface is about 4,005 K, about 0.7 times the Sun's surface temperature, and it shines at 42.78× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 435 years ago.
Also catalogued as HD 159926 · HIP 86130
4,005 K
temperature
6.40
apparent magnitude
42.78× ☉
luminosity vs Sun
K5
spectral type
Distance & comparison with our Sun
435 years
at light speed from Earth
0.69×
as hot as the Sun
42.78×
the Sun's light output
0.77
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.