K-type star · orange

40 Cas

458 lybrightness mag 5.28G8II-IIIvar

Also catalogued as HR 456 · HD 9774 · HIP 7650

4,811 K

temperature

5.28

apparent magnitude

133× ☉

luminosity vs Sun

G8II-IIIvar

spectral type

Distance & comparison with our Sun

458 years

at light speed from Earth

0.83×

as hot as the Sun

133×

the Sun's light output

-0.46

absolute magnitude

Explore from here · roam the neighborhood

40 CasK-type

Sky regionCassiopeiathis direction

Nearest stars

HR 398 →24 ly apart
HR 626 →27 ly apart
HD 12927 →56 ly apart
HR 375 →58 ly apart
HR 129 →58 ly apart
HR 312 →59 ly apart

Bright stars in Cassiopeia

Cih →mag 2.1
Schedar →mag 2.2
Caph →mag 2.3
Ruchbah →mag 2.7
Segin →mag 3.4
Achird →mag 3.5
Fulu →mag 3.7
50 Cas →mag 4.0

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.3To see it no equipment neededLook toward Cassiopeia

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.