A-type star · white star

HR 7639

326 lybrightness mag 6.31A2/A3V

Also catalogued as HD 189388 · HIP 98579

8,904 K

temperature

6.31

apparent magnitude

26.01× ☉

luminosity vs Sun

A2/A3V

spectral type

Distance & comparison with our Sun

326 years

at light speed from Earth

1.54×

as hot as the Sun

26.01×

the Sun's light output

1.31

absolute magnitude

Explore from here · roam the neighborhood

HR 7639A-type

Sky regionSagittariusthis direction

StarHR 770616 ly

StarHR 755227 ly

StarKap2Sgr29 ly

StarKaus Australisstar

StarNunkistar

Nearest stars

HR 7706 →16 ly apart
HR 7552 →27 ly apart
Kap2Sgr →29 ly apart
HR 7799 →31 ly apart
HR 7629 →32 ly apart
HR 7334 →43 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?

BINOCULARS NEEDED

Brightness mag 6.3To see it 50 mm binocularsLook 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.