The star O-Sgr
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn , O-Sgr is difficult to observe as it will appear no higher than 18° above the horizon. It is visible in the dawn sky, rising at 03:26 (EST) – 3 hours and 9 minutes before the Sun – and reaching an altitude of 18° above the south-eastern horizon before fading from view as dawn breaks around 05:31.
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|
Name
O-Sgr
|
Object Type
Star
|
Position
| Constellation: | Sagittarius |
| Magnitude: Variable | 3.75 (V) [1] 5.05 (BT) [1] 3.86 (VT) [1] 3.37 (G) [2] 4.06 (BP) [2] 2.85 (RP) [2] |
| B-V Color (mag): | 1.01 |
| Right ascension: | 19h04m41s [2] |
| Declination: | -21°44'30" [2] |
| Distance: | 41.1 parsec 134.1 lightyrs [2] |
| Proper motion (speed): | 95.1 mas/yr [2] |
| Proper motion (pos ang): | 127.9° |
Derived Quantities
| Absolute mag (V): | 0.68 |
Visibility from Ashburn
All times shown in Ashburn local time.