M-type star · red

Omicron¹ CMa

Omicron¹ CMa is a red in the constellation Canis Major. Its surface is about 3,465 K, about 0.6 times the Sun's surface temperature, and it shines at 242,102,905× the Sun's brightness. At magnitude 3.9 it is bright enough to see with the naked eye.

brightness mag 3.89K3Iab

Also catalogued as HR 2580 · HD 50877 · HIP 33152

3,465 K
temperature
3.89
apparent magnitude
242,102,905× ☉
luminosity vs Sun
K3Iab
spectral type
Distance & comparison with our Sun
–
at light speed from Earth
0.60×
as hot as the Sun
242,102,905×
the Sun's light output
-16.11
absolute magnitude
Explore from here · roam the neighborhood
Omicron¹ CMaM-type
Sky regionCanis Majorthis direction
StarHR 25957,400 ly
StarHR 269017,000 ly
StarHR 273431,000 ly
StarAdharastar
StarWezenstar
Nearest stars
Bright stars in Canis Major
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.9To 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.