K-type star · orange
Lang-Exster
Lang-Exster is an orange in the constellation Tucana 200 ly from Earth. Its surface is about 3,967 K, about 0.7 times the Sun's surface temperature, and it shines at 232× the Sun's brightness. At magnitude 2.9 it is bright enough to see with the naked eye; the light you see left it 200 years ago.
Also catalogued as Alpha Tuc · HR 8502 · HD 211416 · HIP 110130
3,967 K
temperature
2.87
apparent magnitude
232× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
200 years
at light speed from Earth
0.69×
as hot as the Sun
232×
the Sun's light output
-1.06
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.