Tau Canis Majoris
- Bayer:
- τ CMa
- Bayer Long
- Tau Canis Majoris
- Flamsteed:
- 30 Canis Majoris
- SAO:
- 173446
- HR:
- 2782
- HD:
- 57061
- DM:
- CD-24 5176
- GC:
- 9736
- Right Ascention:
- 7h 18m 42.444s
- Declination:
- -24° 57' 15.19"
- Magnitude:
- 4.4
- Spectral Type:
- O9Ib
- Constellation:
- Canis Major
Star data and search provided by About The Stars.