27 CMa
27 CMa
27 CMa is a B-type (Blue-White) star located in the constellation Canis Major. It carries the designation 27 CMa.
At a distance of roughly 1,735 light-years, 27 CMa is a distant star lying deep within the Milky Way galaxy.
27 CMa is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.42, 27 CMa sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue hue, which corresponds to a B-V color index of -0.170.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.170 |
Observation
| Apparent Magnitude | +4.42 |
| Absolute Magnitude | -4.21 |
| Distance | 1,735 ly |
| Constellation | Canis Major |
Position
| Right Ascension | 7h 14.25m |
| Declination | -26° 21.15′ |
Frequently Asked Questions
What type of star is 27 CMa?
27 CMa is a Class B — B-type (Blue-White) star.
How far is 27 CMa from Earth?
27 CMa is approximately 1,734.9 light-years from Earth.
Can you see 27 CMa with the naked eye?
With an apparent magnitude of 4.42, 27 CMa is visible to the naked eye.
What constellation is 27 CMa in?
27 CMa is located in the constellation Canis Major.