B-type star · blue-white star

HR 2640

1,019 lybrightness mag 5.64B2/B3III/IV

Also catalogued as HD 52670 · HIP 33804

12,796 K

temperature

5.64

apparent magnitude

472× ☉

luminosity vs Sun

B2/B3III/IV

spectral type

Distance & comparison with our Sun

1,019 years

at light speed from Earth

2.22×

as hot as the Sun

472×

the Sun's light output

-1.83

absolute magnitude

Explore from here · roam the neighborhood

HR 2640B-type

Sky regionCanis Majorthis direction

Nearest stars

HR 2611 →43 ly apart
HR 2774 →87 ly apart
HR 2686 →110 ly apart
Nganurganity →110 ly apart
HR 2433 →120 ly apart
HR 2567 →120 ly apart

Bright stars in Canis Major

Adhara →mag 1.5
Wezen →mag 1.8
Mirzam →mag 2.0
Aludra →mag 2.5
Furud →mag 3.0
24Omi2CMa →mag 3.0
Nganurganity →mag 3.5
13Kap CMa →mag 3.5

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.6To see it no equipment neededLook toward Canis Major

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.