K-type star · orange

HR 6640

843 lybrightness mag 6.09G6III

Also catalogued as HD 162123 · HIP 87404

4,869 K

temperature

6.09

apparent magnitude

213× ☉

luminosity vs Sun

G6III

spectral type

Distance & comparison with our Sun

843 years

at light speed from Earth

0.84×

as hot as the Sun

213×

the Sun's light output

-0.97

absolute magnitude

Explore from here · roam the neighborhood

HR 6640K-type

Sky regionArathis direction

Nearest stars

HR 6572 →52 ly apart
HR 6759 →62 ly apart
The Ara →80 ly apart
Iot Ara →120 ly apart
HR 6460 →130 ly apart
HR 6501 →150 ly apart

Bright stars in Ara

Bet Ara →mag 2.8
Alp Ara →mag 2.8
Zet Ara →mag 3.1
Gam Ara →mag 3.3
Del Ara →mag 3.6
The Ara →mag 3.6
Eta Ara →mag 3.8
Eps1Ara →mag 4.1

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.1To see it 50 mm binocularsLook toward Ara

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.