K-type star · orange dwarf

Errai

Errai is an orange dwarf in the constellation Cepheus 46.0 ly from Earth. Its surface is about 4,670 K, about 0.8 times the Sun's surface temperature, and it shines at 9.00× the Sun's brightness. At magnitude 3.2 it is bright enough to see with the naked eye; the light you see left it 46 years ago.

46.0 lybrightness mag 3.21K1IV

Also catalogued as Gamma Cep · HR 8974 · HD 222404 · HIP 116727 · Gliese Gl 903

4,670 K

temperature

3.21

apparent magnitude

9.00× ☉

luminosity vs Sun

K1IV

spectral type

Distance & comparison with our Sun

46 years

at light speed from Earth

0.81×

as hot as the Sun

9.00×

the Sun's light output

2.46

absolute magnitude

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ErraiK-type

Sky regionCepheusthis direction

Nearest stars

Bright stars in Cepheus

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VISIBLE TO THE NAKED EYE

Brightness mag 3.2To see it no equipment neededLook toward Cepheus

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.