R-CMa (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , R-CMa is visible in the dawn sky, rising at 03:03 (PDT) – 3 hours and 32 minutes before the Sun – and reaching an altitude of 26° above the south-eastern horizon before fading from view as dawn breaks at around 05:35.
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Name
R-CMa
|
Object type
Star
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Position
| Right ascension: | 07h19m28s [2] |
| Declination: | −16°23'42" [2] |
| Constellation: | Canis Major |
| Magnitude: Variable | 5.72 (V) [2] 6.11 (BT) [2] 5.75 (VT) [2] |
| Distance: | 42.8 parsec 139.4 lightyrs [3] |
| B-V Color (mag): | 0.30 |
| Proper motion (speed): | 214.2 mas/yr[3] |
| Proper motion (pos ang): | 129.5° |
Derived quantities
| Absolute mag (V): | 2.57 |
Sources