12 CMa
12 CMa
12 CMa is a B-type (Blue-White) star located in the constellation Canis Major. It carries the designation 12 CMa.
Located approximately 787.8 light-years from Earth, 12 CMa resides within the broader disk of our Milky Way galaxy.
12 CMa is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
12 CMa has an apparent magnitude of +6.07, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its blue hue, which corresponds to a B-V color index of -0.159.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.159 |
Observation
| Apparent Magnitude | +6.07 |
| Absolute Magnitude | -0.84 |
| Distance | 788 ly |
| Constellation | Canis Major |
Position
| Right Ascension | 6h 47.02m |
| Declination | -21° 0.92′ |
Frequently Asked Questions
What type of star is 12 CMa?
12 CMa is a Class B — B-type (Blue-White) star.
How far is 12 CMa from Earth?
12 CMa is approximately 787.8 light-years from Earth.
Can you see 12 CMa with the naked eye?
With an apparent magnitude of 6.07, 12 CMa is not visible to the naked eye.
What constellation is 12 CMa in?
12 CMa is located in the constellation Canis Major.