Gacrux (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , Gacrux is not observable because it lies so far south that it never rises above the horizon.
Name
Gacrux
|
Object type
Star
|
Position
Right ascension: | 12h31m09s [3] |
Declination: | −57°06'45" [3] |
Constellation: | Crux |
Magnitude: Variable | 1.65 (V) [3] 3.65 (BT) [2] 1.83 (VT) [2] |
Distance: | 27.2 parsec 88.5 lightyrs [5] |
B-V Color (mag): | 1.52 |
Proper motion (speed): | 266.6 mas/yr[5] |
Proper motion (pos ang): | 173.9° |
Derived quantities
Absolute mag (V): | -0.52 |
Sources