B-type star · blue-white star

Epsilon Tuc

Epsilon Tuc is a blue-white star in the constellation Tucana 373 ly from Earth. Its surface is about 11,169 K, about 1.9 times the Sun's surface temperature, and it shines at 182× the Sun's brightness. At magnitude 4.5 it is bright enough to see with the naked eye; the light you see left it 373 years ago.

373 lybrightness mag 4.49B9IV

Also catalogued as HR 9076 · HD 224686 · HIP 118322

11,169 K
temperature
4.49
apparent magnitude
182× ☉
luminosity vs Sun
B9IV
spectral type
Distance & comparison with our Sun
373 years
at light speed from Earth
1.94×
as hot as the Sun
182×
the Sun's light output
-0.80
absolute magnitude
Explore from here · roam the neighborhood
Epsilon TucB-type
Sky regionTucanathis direction
StarHR 891931 ly
StarHR 867258 ly
StarPi Tuc61 ly
StarLang-Exsterstar
StarGamma Tucstar
Nearest stars
Bright stars in Tucana
Can you see it tonight?
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.