B-type star · blue-white star

Delta Tuc

Delta Tuc is a blue-white star in the constellation Tucana 251 ly from Earth. Its surface is about 10,502 K, about 1.8 times the Sun's surface temperature, and it shines at 80.91× the Sun's brightness. At magnitude 4.5 it is bright enough to see with the naked eye; the light you see left it 251 years ago.

251 lybrightness mag 4.51B8V

Also catalogued as HR 8540 · HD 212581 · HIP 110838

10,502 K

temperature

4.51

apparent magnitude

80.91× ☉

luminosity vs Sun

B8V

spectral type

Distance & comparison with our Sun

251 years

at light speed from Earth

1.82×

as hot as the Sun

80.91×

the Sun's light output

0.08

absolute magnitude

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Delta TucB-type

Sky regionTucanathis direction

Nearest stars

Bright stars in Tucana

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VISIBLE TO THE NAKED EYE

Brightness mag 4.5To see it no equipment neededLook toward Tucana

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.