F-type star · yellow-white star
45 Aur
45 Aur is a yellow-white star in the constellation Auriga 193 ly from Earth. Its surface is about 6,635 K, about 1.1 times the Sun's surface temperature, and it shines at 22.33× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 193 years ago.
Also catalogued as HR 2264 · HD 43905 · HIP 30247
6,635 K
temperature
5.34
apparent magnitude
22.33× ☉
luminosity vs Sun
F5III...
spectral type
Distance & comparison with our Sun
193 years
at light speed from Earth
1.15×
as hot as the Sun
22.33×
the Sun's light output
1.48
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.