B-type star · blue-white star
129 Tau
129 Tau is a blue-white star in the constellation Taurus 735 ly from Earth. Its surface is about 10,956 K, about 1.9 times the Sun's surface temperature, and it shines at 176× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 735 years ago.
Also catalogued as HR 1985 · HD 38478 · HIP 27265
10,956 K
temperature
6.00
apparent magnitude
176× ☉
luminosity vs Sun
B8IIIMNp...
spectral type
Distance & comparison with our Sun
735 years
at light speed from Earth
1.90×
as hot as the Sun
176×
the Sun's light output
-0.76
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.