A-type star · white star

4 Eri

4 Eri is a white star in the constellation Eridanus 156 ly from Earth. Its surface is about 7,880 K, about 1.4 times the Sun's surface temperature, and it shines at 13.21× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 156 years ago.

156 lybrightness mag 5.44A5IV/V

Also catalogued as HR 883 · HD 18454 · HIP 13782

7,880 K

temperature

5.44

apparent magnitude

13.21× ☉

luminosity vs Sun

A5IV/V

spectral type

Distance & comparison with our Sun

156 years

at light speed from Earth

1.37×

as hot as the Sun

13.21×

the Sun's light output

2.05

absolute magnitude

Explore from here · roam the neighborhood

4 EriA-type

Sky regionEridanusthis direction

Nearest stars

Bright stars in Eridanus

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.4To see it no equipment neededLook toward Eridanus

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.