B-type star · blue-white star

Alkaid

104 lybrightness mag 1.85B3V SB

Also catalogued as 85Eta UMa · HR 5191 · HD 120315 · HIP 67301

11,556 K

temperature

1.85

apparent magnitude

161× ☉

luminosity vs Sun

B3V SB

spectral type

Distance & comparison with our Sun

104 years

at light speed from Earth

2.00×

as hot as the Sun

161×

the Sun's light output

-0.67

absolute magnitude

Explore from here · roam the neighborhood

AlkaidB-type

Sky regionUrsa Majorthis direction

Nearest stars

Xuange →11 ly apart
21Iot Boo →13 ly apart
HR 5177 →15 ly apart
HR 5451 →20 ly apart
HR 5148 →21 ly apart
Alcor →25 ly apart

Bright stars in Ursa Major

Alioth →mag 1.8
Dubhe →mag 1.8
Merak →mag 2.3
Phecda →mag 2.4
52Psi UMa →mag 3.0
Tania Australis →mag 3.1
Talitha →mag 3.1
25The UMa →mag 3.2

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 1.9To see it no equipment neededLook toward Ursa Major

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.