τ-Oct (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , τ-Oct is not observable because it lies so far south that it never rises above the horizon.
|
Name
τ-Oct
|
Object type
Star
|
Other names
Position
| Right ascension: | 23h28m04s [4] |
| Declination: | −87°28'55" [4] |
| Constellation: | Octans |
| Magnitude: | 5.50 (V) [2] 7.18 (BT) [2] 5.64 (VT) [2] 5.09 (G) [4] 5.76 (BP) [4] 4.31 (RP) [4] |
| Distance: | 147.0 parsec 479.3 lightyrs [4] |
| B-V Color (mag): | 1.31 |
| Proper motion (speed): | 20.6 mas/yr[4] |
| Proper motion (pos ang): | 54.5° |
Derived quantities
| Absolute mag (V): | -0.34 |
Sources