The AsterNym star registry
Sirius
blue-white · Canis Major · α CMa
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About this star
Sirius is a blue-white star in the constellation Canis Major, 8.6 ly from Earth. The light leaving it tonight began travelling about 9 years ago — bright enough to find with your own eyes on a clear night.
- Designation
- α CMa · HIP 32349
- Spectral type
- A1 V · blue-white
- Right ascension
- 06h 45m 09s
- Declination
- −16° 42′ 58″
- Magnitude
- -1.46 naked-eye
- Distance
- 8.6 ly
Coordinates are J2000 epoch, checkable against any astronomical source or planetarium app.