F-type star · yellow-white star
Mothallah
Mothallah is a yellow-white star in the constellation Triangulum 63.3 ly from Earth. Its surface is about 6,444 K, about 1.1 times the Sun's surface temperature, and it shines at 14.07× the Sun's brightness. At magnitude 3.4 it is bright enough to see with the naked eye; the light you see left it 63 years ago.
Also catalogued as Alpha Tri · HR 544 · HD 11443 · HIP 8796 · Gliese Gl 78.1
6,444 K
temperature
3.42
apparent magnitude
14.07× ☉
luminosity vs Sun
F6IV
spectral type
Distance & comparison with our Sun
63 years
at light speed from Earth
1.12×
as hot as the Sun
14.07×
the Sun's light output
1.98
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.