τ-CMa (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , τ-CMa is not observable – it will reach its highest point in the sky during daytime and is no higher than 2° above the horizon at dusk.
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Name
τ-CMa
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Object type
Star
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Other names
Position
| Right ascension: | 07h18m42s [6] |
| Declination: | -24°57'15" [6] |
| Constellation: | Canis Major |
| Magnitude: Variable | 4.40 (V) [3] 4.18 (BT) [2] 4.37 (VT) [2] 4.28 (G) [6] 4.26 (BP) [6] 4.46 (RP) [6] |
| B-V Color (mag): | -0.17 |
| Proper motion (speed): | 1.9 mas/yr[1] |
| Proper motion (pos ang): | 254.7° |
Sources