17336-3706 DUN 218 AC (Shaula)

 
 
17h 33m 36.52s -37° 06' 13.8" P.A. 330.00 sep 94.4 mag 1.60,9.17 Sp B2IV+B dist. 175.13 pc (571.27 l.y.)
 
 
Coord 2000 17336-3706 Discov num DUN 218 Comp AC Coord arcsec 2000 17 33 36.52 -37 06 13.8
Date first 1897 Date last 2016 Obs 9
Pa first 331 Pa last 329.5 P.A. Now (θ) 329.5°
Sep first 94.9 Sep last 94.38 Sep. Now (ρ) 94.38"
Mag pri 1.60 Mag sec 9.17 delta mag (ΔM) 7.57 Spectral class B2IV+B (blue-white/blue-white)
Pri motion ra -009 Sec motion ra -006
Pri motion dec -031 Sec motion dec -024
Notes N (See Notes)
rPM=0.236 (< 0.3, Physical double)
This double is physical.
 
 
17336-3706 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 208954 17 33 37 -37 06 14 TNG 1 Aa,Ab 2021 39 98 0.0 2.08 2.73 0.65 Y
Show 208954 17 33 37 -37 06 14 SEE 334 AB 2000 2 106 42.4 1.60 14.90 13.30
Show Shaula 208954 17 33 37 -37 06 14 DUN 218 AC 2016 9 330 94.4 1.60 9.17 7.57 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Shaula Constellation Scorpius SAO 208954 HIP 85927
Tycho2 7388-01093-1 HD 158926 HR 6527 GC 23769
CD CD-3711673 CP CP-37 7265 Bayer Lambda Scorpii Bayer name Lam Sco
Flamsteed 35 Scorpii Flamsteed name 35 Sco FK5 652 Distance 175.13
Distance ly 571.27 Bayer greek λ Sco
Meaning tail lift