B-type star · blue-white star

20Iot CMa

2,509 lybrightness mag 4.36B3Ib/II

Also catalogued as HR 2596 · HD 51309 · HIP 33347

10,986 K

temperature

4.36

apparent magnitude

9,290× ☉

luminosity vs Sun

B3Ib/II

spectral type

Distance & comparison with our Sun

2,509 years

at light speed from Earth

1.90×

as hot as the Sun

9,290×

the Sun's light output

-5.07

absolute magnitude

Explore from here · roam the neighborhood

20Iot CMaB-type

Sky regionCanis Majorthis direction

Nearest stars

HR 2699 →310 ly apart
HR 2831 →350 ly apart
24Omi2CMa →410 ly apart
HR 2739 →500 ly apart
HR 2800 →500 ly apart
HR 2933 →520 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 4.4To 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.