σ-CMa (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , σ-CMa is difficult to observe as it will appear no higher than 19° above the horizon. It is visible between 21:48 and 00:40. It will become accessible at around 21:48, when it rises to an altitude of 16° above your southern horizon. It will reach its highest point in the sky at 23:14, 19° above your southern horizon. It will become inaccessible at around 00:40 when it sinks below 16° above your southern horizon.
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|
Name
σ-CMa
|
Object type
Star
|
Other names
Position
| Right ascension: | 07h01m43s [4] |
| Declination: | −27°56'05" [4] |
| Constellation: | Canis Major |
| Magnitude: Variable | 3.47 (V) [2] 5.74 (BT) [2] 3.66 (VT) [2] 2.76 (G) [4] 3.98 (BP) [4] 2.21 (RP) [4] |
| Distance: | 398.6 parsec 1299.6 lightyrs [4] |
| B-V Color (mag): | 1.77 |
| Proper motion (speed): | 7.5 mas/yr[4] |
| Proper motion (pos ang): | 310.6° |
Derived quantities
| Absolute mag (V): | -4.53 |
Visibility from Cambridge
All times shown in Cambridge local time.