4-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , 4-Sgr is visible in the morning sky, becoming accessible around 01:51, when it reaches an altitude of 19° above your south-eastern horizon. It will then reach its highest point in the sky at 03:37, 23° above your southern horizon. It will be lost to dawn twilight around 04:10, 23° above your southern horizon.
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Name
4-Sgr
|
Object type
Star
|
Position
| Right ascension: | 17h59m47s [2] |
| Declination: | -23°48'58" [2] |
| Constellation: | Sagittarius |
| Magnitude: | 4.72 (V) [2] 4.70 (BT) [2] 4.72 (VT) [2] |
| Distance: | 127.4 parsec 415.3 lightyrs [3] |
| B-V Color (mag): | -0.02 |
| Proper motion (speed): | 51.1 mas/yr[3] |
| Proper motion (pos ang): | 182.9° |
Derived quantities
| Absolute mag (V): | -0.80 |
Sources