B-type star · blue-white star

The1Sgr

519 lybrightness mag 4.37B2.5IV

Also catalogued as HR 7623 · HD 189103 · HIP 98412

12,489 K

temperature

4.37

apparent magnitude

393× ☉

luminosity vs Sun

B2.5IV

spectral type

Distance & comparison with our Sun

519 years

at light speed from Earth

2.16×

as hot as the Sun

393×

the Sun's light output

-1.64

absolute magnitude

Explore from here · roam the neighborhood

The1SgrB-type

Sky regionSagittariusthis direction

StarHR 780178 ly

Star62 Sgr95 ly

StarHD 196748100 ly

StarKaus Australisstar

StarNunkistar

Nearest stars

HR 7801 →78 ly apart
62 Sgr →95 ly apart
HD 196748 →100 ly apart
Bet Mic →100 ly apart
Bet CrA →100 ly apart
HR 7909 →100 ly apart

Bright stars in Sagittarius

Kaus Australis →mag 1.8
Nunki →mag 2.0
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

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 4.4To 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.