B-type star · blue-white star
HR 3217
HR 3217 is a blue-white star in the constellation Carina 817 ly from Earth. Its surface is about 10,912 K, about 1.9 times the Sun's surface temperature, and it shines at 162× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 817 years ago.
Also catalogued as HD 68423 · HIP 39843
10,912 K
temperature
6.32
apparent magnitude
162× ☉
luminosity vs Sun
B6V
spectral type
Distance & comparison with our Sun
817 years
at light speed from Earth
1.89×
as hot as the Sun
162×
the Sun's light output
-0.68
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.