Alnair (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , Alnair is not readily observable since it lies so far south that it will never rise more than 3° above the horizon.
|
Name
Alnair
|
Object type
Star
|
Position
| Right ascension: | 22h08m13s [3] |
| Declination: | −46°57'38" [3] |
| Constellation: | Grus |
| Magnitude: Variable | 1.77 (V) [3] 1.68 (BT) [2] 1.76 (VT) [2] |
| Distance: | 31.0 parsec 101.0 lightyrs [5] |
| B-V Color (mag): | -0.07 |
| Proper motion (speed): | 194.4 mas/yr[5] |
| Proper motion (pos ang): | 139.3° |
Derived quantities
| Absolute mag (V): | -0.68 |
Sources