B¹-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , b¹-Sgr is not observable – it will reach its highest point in the sky during daytime and is no higher than 7° above the horizon at dusk.
Name
B¹-Sgr
|
Object type
Star
|
Position
Right ascension: | 19h56m56s [3] |
Declination: | −27°10'11" [3] |
Constellation: | Sagittarius |
Magnitude: | 4.53 (V) [3] 6.44 (BT) [2] 4.70 (VT) [2] |
Distance: | 255.1 parsec 831.6 lightyrs [5] |
B-V Color (mag): | 1.45 |
Proper motion (speed): | 18.7 mas/yr[5] |
Proper motion (pos ang): | 146.0° |
Derived quantities
Absolute mag (V): | -2.50 |
Sources