A-type star · white star

Yildun

172 lybrightness mag 4.35A1Vn

Also catalogued as 23Del UMi · HR 6789 · HD 166205 · HIP 85822

9,871 K

temperature

4.35

apparent magnitude

44.14× ☉

luminosity vs Sun

A1Vn

spectral type

Distance & comparison with our Sun

172 years

at light speed from Earth

1.71×

as hot as the Sun

44.14×

the Sun's light output

0.74

absolute magnitude

Explore from here · roam the neighborhood

YildunA-type

Sky regionUrsa Minorthis direction

Nearest stars

24 UMi →19 ly apart
HR 4686 →22 ly apart
HR 5596 →34 ly apart
HR 4429 →37 ly apart
HR 6379 →38 ly apart
HR 6173 →39 ly apart

Bright stars in Ursa Minor

Kochab →mag 2.1
Pherkad →mag 3.0
22Eps UMi →mag 4.2
5 UMi →mag 4.3
16Zet UMi →mag 4.3
4 UMi →mag 4.8
21Eta UMi →mag 5.0
15The UMi →mag 5.0

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 4.3To see it no equipment neededLook toward Ursa Minor

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.