V4090-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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.
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 |
Sources