10 CMa

10 CMa

10 CMa is a B-type (Blue-White) star located in the constellation Canis Major. It carries the designation 10 CMa.

10 CMa is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.

10 CMa is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.23, 10 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 -0.127.

Physical Properties

Spectral Class B Class B — B-type (Blue-White)
Color Index (B−V) -0.127

Observation

Apparent Magnitude +5.23
Absolute Magnitude -14.77
Distance 326,156 ly
Constellation Canis Major

Position

Right Ascension 6h 44.47m
Declination -31° 4.23′

Frequently Asked Questions

What type of star is 10 CMa?
10 CMa is a Class B — B-type (Blue-White) star.
How far is 10 CMa from Earth?
10 CMa is approximately 326,156.0 light-years from Earth.
Can you see 10 CMa with the naked eye?
With an apparent magnitude of 5.23, 10 CMa is visible to the naked eye.
What constellation is 10 CMa in?
10 CMa is located in the constellation Canis Major.