B-type star · blue-white star

Mirzam

Mirzam is a blue-white star in the constellation Canis Major 493 ly from Earth. Its surface is about 14,633 K, about 2.5 times the Sun's surface temperature, and it shines at 3,209× the Sun's brightness. At magnitude 2.0 it is bright enough to see with the naked eye; the light you see left it 493 years ago.

493 lybrightness mag 1.98B1II/III

Also catalogued as Beta CMa · HR 2294 · HD 44743 · HIP 30324

14,633 K
temperature
1.98
apparent magnitude
3,209× ☉
luminosity vs Sun
B1II/III
spectral type
Distance & comparison with our Sun
493 years
at light speed from Earth
2.54×
as hot as the Sun
3,209×
the Sun's light output
-3.92
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 2.0To 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.