A-type star · white star
45 Ser
45 Ser is a white star in the constellation Serpens 323 ly from Earth. Its surface is about 8,163 K, about 1.4 times the Sun's surface temperature, and it shines at 47.77× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 323 years ago.
Also catalogued as HR 6004 · HD 144874 · HIP 79007
8,163 K
temperature
5.63
apparent magnitude
47.77× ☉
luminosity vs Sun
A7V
spectral type
Distance & comparison with our Sun
323 years
at light speed from Earth
1.41×
as hot as the Sun
47.77×
the Sun's light output
0.65
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.