18117-1605 J 1620 AB

 
 
18h 11m 43.26s -16° 04' 45.7" P.A. 272.00 sep 27.8 mag 9.65,10.97 Sp B9
 
 
Coord 2000 18117-1605 Discov num J  1620 Comp AB Coord arcsec 2000 18 11 43.26 -16 04 45.7
Date first 1905 Date last 2018 Obs 11
Pa first 273 Pa last 271.9 P.A. Now (θ) 271.9°
Sep first 25.0 Sep last 27.762 Sep. Now (ρ) 27.762"
Mag pri 9.65 Mag sec 10.97 delta mag (ΔM) 1.32 Spectral class B9 (blue-white)
Pri motion ra +024 Sec motion ra -002
Pri motion dec -002 Sec motion dec -003
Notes U (Proper motion indicates non-physical)
rPM=1.08
This double is not physical.
 
 
18117-1605 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 11 43 -16 04 46 J 1620 AB 2018 11 272 27.8 9.65 10.97 1.32 <===
Show 18 11 43 -16 04 46 ABH 95 AE 2002 6 346 46.8 9.65 12.69 3.04
Show 18 11 43 -16 04 46 ABH 95 AF 2015 8 300 120.2 9.65 11.32 1.67
Show 18 11 41 -16 04 45 J 1620 BC 2018 13 235 7.3 10.97 11.30 0.33
Show 18 11 41 -16 04 45 J 1620 BD 2018 13 11 8.0 10.97 11.20 0.23
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6264-01594-1 Gaia DR2 4145679391074623488