B-type star · blue-white star
54 Aur
54 Aur is a blue-white star in the constellation Auriga 843 ly from Earth. Its surface is about 11,359 K, about 2.0 times the Sun's surface temperature, and it shines at 227× the Sun's brightness. At magnitude 6.0 it is within reach of 50 mm binoculars; the light you see left it 843 years ago.
Also catalogued as HR 2438 · HD 47395 · HIP 31852
11,359 K
temperature
6.02
apparent magnitude
227× ☉
luminosity vs Sun
B7III
spectral type
Distance & comparison with our Sun
843 years
at light speed from Earth
1.97×
as hot as the Sun
227×
the Sun's light output
-1.04
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.