M-type star · red
HR 2018
HR 2018 is a red in the constellation Auriga 600 ly from Earth. Its surface is about 3,450 K, about 0.6 times the Sun's surface temperature, and it shines at 90.53× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 600 years ago.
Also catalogued as HD 39045 · HIP 27661
3,450 K
temperature
6.28
apparent magnitude
90.53× ☉
luminosity vs Sun
M3III
spectral type
Distance & comparison with our Sun
600 years
at light speed from Earth
0.60×
as hot as the Sun
90.53×
the Sun's light output
-0.04
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.