Alpha Canis Majoris (Sirius A, B)
Alpha Canis Majoris (α Cma), also known as Sirius A, B, is a spectral class A0m star of magnitude -1.46 located in the constellation Canis Major. α Cma is one of the brighter stars in Canis Major and can be seen by the naked eye under dark skies or with binoculars.
- Name:
- Alpha Canis Majoris
- Short name:
- α Cma
- Common name:
- Sirius A, B
- Spectral class:
- A0m
- Magnitude:
- -1.46
- Right Acension:
- 06h 45m 09.25s
- Declination:
- -16° 42' 47.3"
- Constellation:
- Canis Major