τ²-Gru (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , τ²-Gru is not readily observable since it lies so far south that it will never rise more than 0° above the horizon.
|
Name
τ²-Gru
|
Object type
Star
|
Other names
Position
| Right ascension: | 22h55m15s [3] |
| Declination: | −48°29'29" [3] |
| Constellation: | Grus |
| Magnitude: | 6.66 (V) [1] 7.21 (BT) [1] 6.71 (VT) [1] 6.55 (G) [3] 6.78 (BP) [3] 6.16 (RP) [3] |
| Distance: | 44.8 parsec 145.9 lightyrs [3] |
| B-V Color (mag): | 0.42 |
| Proper motion (speed): | 232.4 mas/yr[3] |
| Proper motion (pos ang): | 283.9° |
Derived quantities
| Absolute mag (V): | 3.41 |
Sources