B-type star · blue-white star

Nunki

228 lybrightness mag 2.05B2.5V

Also catalogued as 34Sig Sgr · HR 7121 · HD 175191 · HIP 92855

12,178 K

temperature

2.05

apparent magnitude

643× ☉

luminosity vs Sun

B2.5V

spectral type

Distance & comparison with our Sun

228 years

at light speed from Earth

2.11×

as hot as the Sun

643×

the Sun's light output

-2.17

absolute magnitude

Explore from here · roam the neighborhood

NunkiB-type

Sky regionSagittariusthis direction

Star27Phi Sgr15 ly

Star30 Sgr17 ly

Star26 Sgr27 ly

StarKaus Australisstar

StarAscellastar

Nearest stars

27Phi Sgr →15 ly apart
30 Sgr →17 ly apart
26 Sgr →27 ly apart
HR 7380 →31 ly apart
HR 7195 →31 ly apart
HR 7398 →32 ly apart

Bright stars in Sagittarius

Kaus Australis →mag 1.8
Ascella →mag 2.6
Kaus Media →mag 2.7
Kaus Borealis →mag 2.8
Albaldah →mag 2.9
Alnasl →mag 3.0
Eta Sgr →mag 3.1
27Phi Sgr →mag 3.2

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 2.0To see it no equipment neededLook toward Sagittarius

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.