M-type star · red
Nu Tuc
Nu Tuc is a red in the constellation Tucana 290 ly from Earth. Its surface is about 3,632 K, about 0.6 times the Sun's surface temperature, and it shines at 74.89× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 290 years ago.
Also catalogued as HR 8582 · HD 213442 · HIP 111310
3,632 K
temperature
4.91
apparent magnitude
74.89× ☉
luminosity vs Sun
M4III
spectral type
Distance & comparison with our Sun
290 years
at light speed from Earth
0.63×
as hot as the Sun
74.89×
the Sun's light output
0.16
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.