16566+5711 A 1143 CD

 
 
16h 56m 35.49s +57° 12' 56.9" P.A. 139.00 sep 0.7 mag 10.72,10.85 Sp K5
 
 
Coord 2000 16566+5711 Discov num A  1143 Comp CD Coord arcsec 2000 16 56 35.49 +57 12 56.9
Date first 1905 Date last 2016 Obs 26
Pa first 148 Pa last 139.3 P.A. Now (θ) 139.3°
Sep first 0.8 Sep last 0.696 Sep. Now (ρ) 0.696"
Mag pri 10.72 Mag sec 10.85 delta mag (ΔM) 0.13 Spectral class K5 (yellow-orange)
Pri motion ra -012 Sec motion ra -012
Pri motion dec +030 Sec motion dec +030
Notes N (See Notes)
Nature of this double is uncertain.
 
 
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 30170 Tycho2 3894-00682-1 Gaia DR2 1433625551867742208
HD 238627