16566+5711 A 1143 AB,E

 
 
16h 56m 34.99s +57° 11' 17.2" P.A. 351.00 sep 52.9 mag 8.90,13.50 Sp G0 dist. 88.81 pc (289.7 l.y.)
 
 
Coord 2000 16566+5711 Discov num A  1143 Comp AB,E Coord arcsec 2000 16 56 34.99 +57 11 17.2
Date first 1905 Date last 2015 Obs 9
Pa first 351 Pa last 351.2 P.A. Now (θ) 351.2°
Sep first 45.8 Sep last 52.868 Sep. Now (ρ) 52.868"
Mag pri 8.90 Mag sec 13.50 delta mag (ΔM) 4.6 Spectral class G0 (yellow)
Pri motion ra +028 Sec motion ra +022
Pri motion dec -016 Sec motion dec +053
Notes N (See Notes)
rPM=1.207
This double is not physical.
 
 
16566+5711 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 30169 16 56 35 +57 11 17 A 1143 AB 2016 47 219 0.3 9.44 9.72 0.28 Y
Show HD 153495 30169 16 56 35 +57 11 17 A 1143 AB,CD 2015 18 2 100.5 8.90 10.21 1.31
Show 30169 16 56 35 +57 11 17 A 1143 AB,E 2015 9 351 52.9 8.90 13.50 4.60 <===
Show 30170 16 56 35 +57 12 57 A 1143 CD 2016 26 139 0.7 10.72 10.85 0.13
Quintuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30169 HIP 82910 Tycho2 3894-00576-1
HD 153495 BD BD+57 1716 Distance 88.81 Distance ly 289.7