B-type star · blue-white star
HR 2829
HR 2829 is a blue-white star in the constellation Puppis 648 ly from Earth. Its surface is about 12,216 K, about 2.1 times the Sun's surface temperature, and it shines at 102× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 648 years ago.
Also catalogued as HD 58420 · HIP 35893
12,216 K
temperature
6.32
apparent magnitude
102× ☉
luminosity vs Sun
B5V
spectral type
Distance & comparison with our Sun
648 years
at light speed from Earth
2.12×
as hot as the Sun
102×
the Sun's light output
-0.17
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.