15 CMa
15 CMa
15 CMa is a B-type (Blue-White) star located in the constellation Canis Major. It carries the designation 15 CMa.
At a distance of roughly 1,217 light-years, 15 CMa is a distant star lying deep within the Milky Way galaxy.
15 CMa is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.82, 15 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 -0.212.
물리적 특성
| 분광형 | Class B — B-type (Blue-White) |
| 색지수 (B−V) | -0.212 |
관측
| 겉보기 등급 | +4.82 |
| 절대 등급 | -3.04 |
| 거리 | 1,217 ly |
| 별자리 | Canis Major |
위치
| 적경 | 6h 53.55m |
| 적위 | -20° 13.46′ |
자주 묻는 질문
What type of star is 15 CMa?
15 CMa is a Class B — B-type (Blue-White) star.
How far is 15 CMa from Earth?
15 CMa is approximately 1,217.0 light-years from Earth.
Can you see 15 CMa with the naked eye?
With an apparent magnitude of 4.82, 15 CMa is visible to the naked eye.
What constellation is 15 CMa in?
15 CMa is located in the constellation Canis Major.