K-type star · orange
HR 1709
HR 1709 is an orange in the constellation Orion 486 ly from Earth. Its surface is about 4,002 K, about 0.7 times the Sun's surface temperature, and it shines at 122× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 486 years ago.
Also catalogued as HD 34043 · HIP 24450
4,002 K
temperature
5.50
apparent magnitude
122× ☉
luminosity vs Sun
K4III
spectral type
Distance & comparison with our Sun
486 years
at light speed from Earth
0.69×
as hot as the Sun
122×
the Sun's light output
-0.37
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.