F-type star · yellow-white star
39 Leo
39 Leo is a yellow-white star in the constellation Leo 74.4 ly from Earth. Its surface is about 6,389 K, about 1.1 times the Sun's surface temperature, and it shines at 2.15× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 74 years ago.
Also catalogued as HR 4039 · HD 89125 · HIP 50384 · Gliese Gl 387A
6,389 K
temperature
5.81
apparent magnitude
2.15× ☉
luminosity vs Sun
F8Vw
spectral type
Distance & comparison with our Sun
74 years
at light speed from Earth
1.11×
as hot as the Sun
2.15×
the Sun's light output
4.02
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.