K-type star · orange
HR 3243
HR 3243 is an orange in the constellation Puppis 298 ly from Earth. Its surface is about 4,368 K, about 0.8 times the Sun's surface temperature, and it shines at 124× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 298 years ago.
Also catalogued as HD 69142 · HIP 40326
4,368 K
temperature
4.42
apparent magnitude
124× ☉
luminosity vs Sun
K1II/III
spectral type
Distance & comparison with our Sun
298 years
at light speed from Earth
0.76×
as hot as the Sun
124×
the Sun's light output
-0.39
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.