B-type star · blue-white star

HR 6440

1,450 lybrightness mag 5.69B2IV

Also catalogued as HD 156838 · HIP 85147

12,429 K

temperature

5.69

apparent magnitude

911× ☉

luminosity vs Sun

B2IV

spectral type

Distance & comparison with our Sun

1,450 years

at light speed from Earth

2.15×

as hot as the Sun

911×

the Sun's light output

-2.55

absolute magnitude

Explore from here · roam the neighborhood

HR 6440B-type

Sky regionArathis direction

Nearest stars

HR 6525 →85 ly apart
HR 6304 →130 ly apart
HR 6384 →180 ly apart
HD 150097 →210 ly apart
HR 6356 →210 ly apart
Iot Aps →220 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?

VISIBLE TO THE NAKED EYE

Brightness mag 5.7To see it no equipment neededLook 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.