A-type star · white star
40 LMi
40 LMi is a white star in the constellation Leo Minor 158 ly from Earth. Its surface is about 8,486 K, about 1.5 times the Sun's surface temperature, and it shines at 12.74× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 158 years ago.
Also catalogued as HR 4189 · HD 92769 · HIP 52422
8,486 K
temperature
5.51
apparent magnitude
12.74× ☉
luminosity vs Sun
A4Vn
spectral type
Distance & comparison with our Sun
158 years
at light speed from Earth
1.47×
as hot as the Sun
12.74×
the Sun's light output
2.09
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.