K-type star · orange
HR 1021
HR 1021 is an orange in the constellation Horologium 476 ly from Earth. Its surface is about 4,769 K, about 0.8 times the Sun's surface temperature, and it shines at 51.14× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 476 years ago.
Also catalogued as HD 21011 · HIP 15655
4,769 K
temperature
6.40
apparent magnitude
51.14× ☉
luminosity vs Sun
K0III
spectral type
Distance & comparison with our Sun
476 years
at light speed from Earth
0.83×
as hot as the Sun
51.14×
the Sun's light output
0.58
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.