φ-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , φ-Sgr is difficult to observe as it will appear no higher than 17° above the horizon. It is visible in the dawn sky, rising at 02:28 (EDT) – 3 hours and 53 minutes before the Sun – and reaching an altitude of 17° above the southern horizon before fading from view as dawn breaks at around 05:17.
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Name
φ-Sgr
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Object type
Star
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Other names
Position
| Right ascension: | 18h45m39s [4] |
| Declination: | −26°59'26" [4] |
| Constellation: | Sagittarius |
| Magnitude: | 3.13 (V) [2] 3.03 (BT) [2] 3.13 (VT) [2] 3.16 (G) [4] 3.17 (BP) [4] 3.19 (RP) [4] |
| Distance: | 73.4 parsec 239.2 lightyrs [3] |
| B-V Color (mag): | -0.08 |
| Proper motion (speed): | 50.6 mas/yr[3] |
| Proper motion (pos ang): | 88.6° |
Derived quantities
| Absolute mag (V): | -1.19 |
Sources