K-type star · orange
Iota Tuc
Iota Tuc is an orange in the constellation Tucana 304 ly from Earth. Its surface is about 5,040 K, about 0.9 times the Sun's surface temperature, and it shines at 54.40× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 304 years ago.
Also catalogued as HR 332 · HD 6793 · HIP 5268
5,040 K
temperature
5.36
apparent magnitude
54.40× ☉
luminosity vs Sun
G5III
spectral type
Distance & comparison with our Sun
304 years
at light speed from Earth
0.87×
as hot as the Sun
54.40×
the Sun's light output
0.51
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.