α-Ara (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , α-Ara is not observable because it lies so far south that it never rises above the horizon.
|
Name
α-Ara
|
Object type
Star
|
Position
| Right ascension: | 17h31m50s [2] |
| Declination: | −49°52'34" [2] |
| Constellation: | Ara |
| Magnitude: Variable | 2.80 (V) [2] 2.67 (BT) [2] 2.79 (VT) [2] |
| Distance: | 82.0 parsec 267.2 lightyrs [3] |
| B-V Color (mag): | -0.10 |
| Proper motion (speed): | 75.0 mas/yr[3] |
| Proper motion (pos ang): | 206.3° |
Derived quantities
| Absolute mag (V): | -1.76 |
Sources