B-type star · blue-white star
Beta¹ Tuc
Beta¹ Tuc is a blue-white star in the constellation Tucana 135 ly from Earth. Its surface is about 11,001 K, about 1.9 times the Sun's surface temperature, and it shines at 26.92× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 135 years ago.
Also catalogued as HR 126 · HD 2884 · HIP 2484
11,001 K
temperature
4.36
apparent magnitude
26.92× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
135 years
at light speed from Earth
1.91×
as hot as the Sun
26.92×
the Sun's light output
1.27
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.