A-type star · white star
Mu Lyr
Mu Lyr is a white star in the constellation Lyra 439 ly from Earth. Its surface is about 9,574 K, about 1.7 times the Sun's surface temperature, and it shines at 143× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 439 years ago.
Also catalogued as HR 6903 · HD 169702 · HIP 90191
9,574 K
temperature
5.11
apparent magnitude
143× ☉
luminosity vs Sun
A3IVn
spectral type
Distance & comparison with our Sun
439 years
at light speed from Earth
1.66×
as hot as the Sun
143×
the Sun's light output
-0.54
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.