V4090-Sgr (Star)
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 Cambridge , V4090-Sgr is not readily observable since it lies so far south that it will never rise more than 8° above the horizon.
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|
Name
V4090-Sgr
|
Object type
Star
|
Other names
Position
| Right ascension: | 19h39m55s [4] |
| Declination: | −39°25'59" [4] |
| Constellation: | Sagittarius |
| Magnitude: Variable | 6.63 (V) [2] 6.91 (BT) [2] 6.65 (VT) [2] 6.57 (G) [4] 6.67 (BP) [4] 6.36 (RP) [4] |
| Distance: | 92.4 parsec 301.3 lightyrs [4] |
| B-V Color (mag): | 0.22 |
| Proper motion (speed): | 68.3 mas/yr[4] |
| Proper motion (pos ang): | 137.2° |
Derived quantities
| Absolute mag (V): | 1.80 |
Visibility from Cambridge
All times shown in Cambridge local time.