17319+5655 ES 2659 (HD 159540)

 
 
17h 31m 52.17s +56° 55' 07.9" P.A. 215.00 sep 11.8 mag 8.63,11.15 Sp K0 dist. 436.68 pc (1424.45 l.y.)
 
 
Coord 2000 17319+5655 Discov num ES 2659 Comp Coord arcsec 2000 17 31 52.17 +56 55 07.9
Date first 1907 Date last 2017 Obs 21
Pa first 208 Pa last 214.5 P.A. Now (θ) 214.5°
Sep first 15.6 Sep last 11.768 Sep. Now (ρ) 11.768"
Mag pri 8.63 Mag sec 11.15 delta mag (ΔM) 2.52 Spectral class K0 (yellow-orange)
Pri motion ra +001 Sec motion ra -002
Pri motion dec -010 Sec motion dec +018
Notes
rPM=1.555
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 159540 Constellation Draco SAO 30443 HIP 85794
Tycho2 3896-00439-1 Gaia DR2 1422136106330386816 HD 159540 BD BD+57 1775
Distance 436.68 Distance ly 1424.45