F-type star · yellow-white star
Kappa Tuc
Kappa Tuc is a yellow-white star in the constellation Tucana 68.3 ly from Earth. Its surface is about 6,481 K, about 1.1 times the Sun's surface temperature, and it shines at 7.63× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 68 years ago.
Also catalogued as HR 377 · HD 7788 · HIP 5896 · Gliese Gl 55.3A
6,481 K
temperature
4.25
apparent magnitude
7.63× ☉
luminosity vs Sun
F6IV
spectral type
Distance & comparison with our Sun
68 years
at light speed from Earth
1.12×
as hot as the Sun
7.63×
the Sun's light output
2.64
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.