B-type star · blue-white star
HR 1643
HR 1643 is a blue-white star in the constellation Camelopardalis 378 ly from Earth. Its surface is about 11,709 K, about 2.0 times the Sun's surface temperature, and it shines at 77.98× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 378 years ago.
Also catalogued as HD 32650 · HIP 24254
11,709 K
temperature
5.44
apparent magnitude
77.98× ☉
luminosity vs Sun
B9p Si
spectral type
Distance & comparison with our Sun
378 years
at light speed from Earth
2.03×
as hot as the Sun
77.98×
the Sun's light output
0.12
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.