A-type star · white star

Epsilon Tri

Epsilon Tri is a white star in the constellation Triangulum 392 ly from Earth. Its surface is about 9,777 K, about 1.7 times the Sun's surface temperature, and it shines at 79.21× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 392 years ago.

392 lybrightness mag 5.50A2V

Also catalogued as HR 599 · HD 12471 · HIP 9570

9,777 K

temperature

5.50

apparent magnitude

79.21× ☉

luminosity vs Sun

A2V

spectral type

Distance & comparison with our Sun

392 years

at light speed from Earth

1.69×

as hot as the Sun

79.21×

the Sun's light output

0.10

absolute magnitude

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Epsilon TriA-type

Sky regionTriangulumthis direction

Nearest stars

Bright stars in Triangulum

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VISIBLE TO THE NAKED EYE

Brightness mag 5.5To see it no equipment neededLook toward Triangulum

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.