K-type star · orange
HR 3821
HR 3821 is an orange in the constellation Carina 790 ly from Earth. Its surface is about 3,711 K, about 0.6 times the Sun's surface temperature, and it shines at 334× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 790 years ago.
Also catalogued as HD 83095 · HIP 46741
3,711 K
temperature
5.46
apparent magnitude
334× ☉
luminosity vs Sun
K4III
spectral type
Distance & comparison with our Sun
790 years
at light speed from Earth
0.64×
as hot as the Sun
334×
the Sun's light output
-1.46
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.