W-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , W-Sgr is not readily observable since it lies so far south that it will never rise more than 18° above the horizon.
|
Name
W-Sgr
|
Object type
Star
|
Other names
Position
| Right ascension: | 18h05m01s [4] |
| Declination: | −29°34'48" [4] |
| Constellation: | Sagittarius |
| Magnitude: Variable | 4.70 (V) [2] 5.72 (BT) [2] 4.78 (VT) [2] 4.59 (G) [4] 5.01 (BP) [4] 3.91 (RP) [4] |
| Distance: | 422.8 parsec 1378.4 lightyrs [4] |
| B-V Color (mag): | 0.80 |
| Proper motion (speed): | 6.3 mas/yr[4] |
| Proper motion (pos ang): | 136.4° |
Derived quantities
| Absolute mag (V): | -3.43 |
Sources