B-type star · blue-white star
Mu Ari
Mu Ari is a blue-white star in the constellation Aries 381 ly from Earth. Its surface is about 10,342 K, about 1.8 times the Sun's surface temperature, and it shines at 60.15× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 381 years ago.
Also catalogued as HR 793 · HD 16811 · HIP 12640
10,342 K
temperature
5.74
apparent magnitude
60.15× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
381 years
at light speed from Earth
1.79×
as hot as the Sun
60.15×
the Sun's light output
0.40
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.