B-type star · blue-white star

25Nu Cas

412 lybrightness mag 4.90B9III

Also catalogued as HR 223 · HD 4636 · HIP 3801

11,424 K

temperature

4.90

apparent magnitude

152× ☉

luminosity vs Sun

B9III

spectral type

Distance & comparison with our Sun

412 years

at light speed from Earth

1.98×

as hot as the Sun

152×

the Sun's light output

-0.61

absolute magnitude

Explore from here · roam the neighborhood

25Nu CasB-type

Sky regionCassiopeiathis direction

Nearest stars

HR 124 →38 ly apart
14Lam Cas →46 ly apart
HR 272 →47 ly apart
HR 205 →47 ly apart
HR 282 →51 ly apart
HR 538 →74 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 4.9To 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.