K-type star · orange
HR 8440
HR 8440 is an orange in the constellation Grus 646 ly from Earth. Its surface is about 3,983 K, about 0.7 times the Sun's surface temperature, and it shines at 91.54× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 646 years ago.
Also catalogued as HD 210204 · HIP 109408
3,983 K
temperature
6.43
apparent magnitude
91.54× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
646 years
at light speed from Earth
0.69×
as hot as the Sun
91.54×
the Sun's light output
-0.05
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.