18142-3525 B 424 AC

 
 
18h 14m 14.81s -35° 24' 46.9" P.A. 143.00 sep 42.5 mag 8.95,10.77 Sp A:
 
 
Coord 2000 18142-3525 Discov num B   424 Comp AC Coord arcsec 2000 18 14 14.81 -35 24 46.9
Date first 1912 Date last 2015 Obs 10
Pa first 142 Pa last 142.7 P.A. Now (θ) 142.7°
Sep first 42.6 Sep last 42.485 Sep. Now (ρ) 42.485"
Mag pri 8.95 Mag sec 10.77 delta mag (ΔM) 1.82 Spectral class A: (white)
Pri motion ra -001 Sec motion ra -015
Pri motion dec -011 Sec motion dec -013
Notes
rPM=0.712
Nature of this double is uncertain.
 
 
18142-3525 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 166905 209891 18 14 15 -35 24 47 B 424 AB 2014 5 82 1.0 8.95 9.60 0.65
Show 209891 18 14 15 -35 24 47 B 424 AC 2015 10 143 42.5 8.95 10.77 1.82 <===
Show 18 14 17 -35 25 21 B 424 CD 2016 7 41 2.8 10.77 12.10 1.33
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 209891 Tycho2 7400-01283-1 Gaia DR2 4038434298266917376
HD 166905