A-type star · white star
HR 1738
HR 1738 is a white star in the constellation Auriga 277 ly from Earth. Its surface is about 8,820 K, about 1.5 times the Sun's surface temperature, and it shines at 41.15× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 277 years ago.
Also catalogued as HD 34557 · HIP 24902
8,820 K
temperature
5.46
apparent magnitude
41.15× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
277 years
at light speed from Earth
1.53×
as hot as the Sun
41.15×
the Sun's light output
0.81
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.