M-type star · red
HR 3959
HR 3959 is a red in the constellation Sextans 1,157 ly from Earth. Its surface is about 3,553 K, about 0.6 times the Sun's surface temperature, and it shines at 401× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 1,157 years ago.
Also catalogued as HD 87262 · HIP 49293
3,553 K
temperature
6.09
apparent magnitude
401× ☉
luminosity vs Sun
K0
spectral type
Distance & comparison with our Sun
1,157 years
at light speed from Earth
0.62×
as hot as the Sun
401×
the Sun's light output
-1.66
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.