18510-2018 PLT 3 AB (BB Sgr)

 
 
18h 50m 59.87s -20° 17' 42.3" P.A. 101.00 sep 93.6 mag 6.70,7.50 Sp G0Ib+B8II dist. 4761.9 pc (15533.32 l.y.)
 
 
Coord 2000 18510-2018 Discov num PLT   3 Comp AB Coord arcsec 2000 18 50 59.87 -20 17 42.3
Date first 1894 Date last 2018 Obs 14
Pa first 102 Pa last 101 P.A. Now (θ) 101°
Sep first 93.7 Sep last 93.6 Sep. Now (ρ) 93.6"
Mag pri 6.70 Mag sec 7.50 delta mag (ΔM) 0.8 Spectral class G0Ib+B8II (yellow/blue-white)
Pri motion ra +001 Sec motion ra -002
Pri motion dec -005 Sec motion dec -006
Notes N (See Notes)
rPM=0.5
Nature of this double is uncertain.
 
 
18510-2018 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show BB Sgr 187349 18 50 60 -20 17 42 PLT 3 AB 2018 14 101 93.6 6.70 7.50 0.80 <===
Show 187349 18 50 60 -20 17 42 EVS 38 AC 2011 1 158 3.3 6.70 18.10 11.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name BB Sgr Constellation Sagittarius SAO 187349 HIP 92491
Tycho2 6289-03062-1 Gaia DR2 4085919765884068736 HD 174383 GC 25842
BD BD-20 5286 Distance 4761.9 Distance ly 15533.32