B-type star · blue-white star

Epsilon Cen

Epsilon Cen is a blue-white star in the constellation Centaurus 427 ly from Earth. Its surface is about 12,924 K, about 2.2 times the Sun's surface temperature, and it shines at 1,815× the Sun's brightness. At magnitude 2.3 it is bright enough to see with the naked eye; the light you see left it 427 years ago.

427 lybrightness mag 2.29B1III

Also catalogued as HR 5132 · HD 118716 · HIP 66657

12,924 K

temperature

2.29

apparent magnitude

1,815× ☉

luminosity vs Sun

B1III

spectral type

Distance & comparison with our Sun

427 years

at light speed from Earth

2.24×

as hot as the Sun

1,815×

the Sun's light output

-3.30

absolute magnitude

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Epsilon CenB-type

Sky regionCentaurusthis direction

Nearest stars

Bright stars in Centaurus

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 2.3To see it no equipment neededLook toward Centaurus

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.