20017-0012 H 1 93 AB (HD 189759)

 
 
20h 01m 39.17s -00° 11' 56.5" P.A. 297.00 sep 1.8 mag 7.67,8.39 Sp A0 dist. 165.84 pc (540.97 l.y.)
 
 
Coord 2000 20017-0012 Discov num H 1  93 Comp AB Coord arcsec 2000 20 01 39.17 -00 11 56.5
Date first 1876 Date last 2016 Obs 53
Pa first 294 Pa last 297.3 P.A. Now (θ) 297.3°
Sep first 2.1 Sep last 1.819 Sep. Now (ρ) 1.819"
Mag pri 7.67 Mag sec 8.39 delta mag (ΔM) 0.72 Spectral class A0 (white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -004 Sec motion dec -004
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20017-0012 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189759 144002 20 01 39 -00 11 56 H 1 93 AB 2016 53 297 1.8 7.67 8.39 0.72 <===
Show 144002 20 01 39 -00 11 56 H 1 93 AC 2015 5 0 27.4 7.67 13.20 5.53
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189759 Constellation Aquila SAO 144002 HIP 98600
Tycho2 5160-02304-1 HD 189759 GC 27757 BD BD-00 3899
Distance 165.84 Distance ly 540.97