τ³-Gru (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , τ³-Gru is not readily observable since it lies so far south that it will never rise more than 2° above the horizon.
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Name
τ³-Gru
|
Object type
Star
|
Other names
Position
| Right ascension: | 22h56m47s [4] |
| Declination: | −47°58'09" [4] |
| Constellation: | Grus |
| Magnitude: | 5.72 (V) [2] 5.99 (BT) [2] 5.74 (VT) [2] 5.69 (G) [4] 5.78 (BP) [4] 5.50 (RP) [4] |
| Distance: | 78.7 parsec 256.4 lightyrs [4] |
| B-V Color (mag): | 0.21 |
| Proper motion (speed): | 25.2 mas/yr[4] |
| Proper motion (pos ang): | 275.6° |
Derived quantities
| Absolute mag (V): | 1.24 |
Sources