Y-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Y-Sgr is visible in the dawn sky, rising at 23:28 (EDT) and reaching an altitude of 28° above the southern horizon before fading from view as dawn breaks at around 04:18.
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Name
Y-Sgr
|
Object type
Star
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Other names
Position
| Right ascension: | 18h21m22s [4] |
| Declination: | -18°51'36" [4] |
| Constellation: | Sagittarius |
| Magnitude: Variable | 5.83 (V) [2] 6.97 (BT) [2] 5.93 (VT) [2] 5.48 (G) [4] 5.96 (BP) [4] 4.79 (RP) [4] |
| Distance: | 506.4 parsec 1650.8 lightyrs [4] |
| B-V Color (mag): | 0.89 |
| Proper motion (speed): | 7.9 mas/yr[4] |
| Proper motion (pos ang): | 204.1° |
Derived quantities
| Absolute mag (V): | -2.69 |
Sources