B-type star · blue-white star
45 Leo
45 Leo is a blue-white star in the constellation Leo 421 ly from Earth. Its surface is about 10,695 K, about 1.9 times the Sun's surface temperature, and it shines at 57.33× the Sun's brightness. At magnitude 6.0 it is within reach of 50 mm binoculars; the light you see left it 421 years ago.
Also catalogued as HR 4101 · HD 90569 · HIP 51213
10,695 K
temperature
6.01
apparent magnitude
57.33× ☉
luminosity vs Sun
A0sp...
spectral type
Distance & comparison with our Sun
421 years
at light speed from Earth
1.85×
as hot as the Sun
57.33×
the Sun's light output
0.45
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.