18012-4550 I 1112 AC (HD 163986)

 
 
18h 01m 12.50s -45° 49' 33.9" P.A. 56.00 sep 20.4 mag 7.78,11.24 Sp G6/8III
 
 
Coord 2000 18012-4550 Discov num I  1112 Comp AC Coord arcsec 2000 18 01 12.50 -45 49 33.9
Date first 1913 Date last 2015 Obs 6
Pa first 58 Pa last 56.1 P.A. Now (θ) 56.1°
Sep first 20.1 Sep last 20.415 Sep. Now (ρ) 20.415"
Mag pri 7.78 Mag sec 11.24 delta mag (ΔM) 3.46 Spectral class G6/8III (yellow)
Pri motion ra -006 Sec motion ra +003
Pri motion dec -020 Sec motion dec -001
Notes
rPM=1.007
This double is not physical.
 
 
18012-4550 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 228625 18 01 12 -45 49 34 I 1112 AB 2015 7 231 21.4 7.78 12.73 4.95
Show HD 163986 228625 18 01 12 -45 49 34 I 1112 AC 2015 6 56 20.4 7.78 11.24 3.46 <===
Show 228625 18 01 12 -45 49 34 HJ 5005 AD 2015 11 26 26.7 7.78 9.93 2.15
Show 228625 18 01 12 -45 49 34 HJ 5005 AE 2015 7 75 32.0 7.78 13.50 5.72
Show 18 01 14 -45 49 23 I 1112 CD 2015 6 337 13.7 11.24 9.93 1.31
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163986 Constellation Ara SAO 228625 Tycho2 8357-03850-1
Gaia DR2 6720575506941282560 HD 163986