Rukbat (Star)

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

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From Fairfield , Rukbat is not readily observable since it lies so far south that it will never rise more than 8° above the horizon.

Name Rukbat
Object type Star
Other names
Rukbat
α-Sgr
Alpha Sagittarii
HR 7348[1]
HD 181869
HIP 95347[3]
TYC 7935-2139-1[2]
Gaia EDR3- 6713727061309245952[4]
Position
Right ascension:19h23m53s [4]
Declination:−40°36'59" [4]
Constellation:Sagittarius
Magnitude:3.94 (V) [2]
3.82 (BT) [2]
3.93 (VT) [2]
3.95 (G) [4]
3.89 (BP) [4]
4.00 (RP) [4]
Distance:55.2 parsec
180.0 lightyrs [4]
B-V Color (mag):-0.09
Proper motion (speed):124.2 mas/yr[4]
Proper motion (pos ang):165.2°
Derived quantities
Absolute mag (V):0.23

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