18106-1645 S 700 AB (HD 166286)

 
 
18h 10m 33.56s -16° 44' 57.4" P.A. 291.00 sep 18.8 mag 8.27,9.73 Sp B1III
 
 
Coord 2000 18106-1645 Discov num S   700 Comp AB Coord arcsec 2000 18 10 33.56 -16 44 57.4
Date first 1879 Date last 2018 Obs 21
Pa first 291 Pa last 291.2 P.A. Now (θ) 291.2°
Sep first 19.7 Sep last 18.812 Sep. Now (ρ) 18.812"
Mag pri 8.27 Mag sec 9.73 delta mag (ΔM) 1.46 Spectral class B1III (blue-white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec +000 Sec motion dec +002
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.555
This double is not physical.
 
 
18106-1645 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 166286 161139 18 10 34 -16 44 57 S 700 AB 2018 21 291 18.8 8.27 9.73 1.46 <===
Show 161139 18 10 34 -16 44 57 S 700 AC 2018 27 353 28.6 8.27 8.59 0.32
Show 161139 18 10 34 -16 44 57 ABH 94 AD 2015 5 348 47.7 8.27 14.20 5.93
Show 161139 18 10 34 -16 44 57 ABH 94 AE 2015 5 65 58.0 8.27 13.48 5.21
Show 161139 18 10 34 -16 44 57 ABH 94 AF 2015 5 49 99.2 8.27 13.07 4.80
Show 161139 18 10 34 -16 44 57 S 700 AG 2015 7 297 35.6 8.27 11.30 3.03
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166286 Constellation Sagittarius SAO 161139 Tycho2 6264-01001-1
Gaia DR2 4145581465816350464 HD 166286