17559+3326 HO 72 AC

 
 
17h 55m 50.03s +33° 25' 14.3" P.A. 37.00 sep 10.6 mag 10.20,14.40 Sp K7
 
 
Coord 2000 17559+3326 Discov num HO   72 Comp AC Coord arcsec 2000 17 55 50.03 +33 25 14.3
Date first 1883 Date last 2016 Obs 20
Pa first 38 Pa last 36.5 P.A. Now (θ) 36.5°
Sep first 9.3 Sep last 10.607 Sep. Now (ρ) 10.607"
Mag pri 10.20 Mag sec 14.40 delta mag (ΔM) 4.2 Spectral class K7 (yellow-orange)
Pri motion ra +012 Sec motion ra +012
Pri motion dec -231 Sec motion dec -267
Notes V (Proper motion indicates physical)
rPM=0.135 (< 0.3, Physical double)
This double is physical.
 
 
17559+3326 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 55 50 +33 25 14 HO 72 AB 2015 23 359 33.4 10.20 12.90 2.70
Show 17 55 50 +33 25 14 HO 72 AC 2016 20 37 10.6 10.20 14.40 4.20 <===
Show 17 55 50 +33 25 14 HO 72 AD 2002 4 45 153.4 10.20 13.20 3.00
Show 17 55 50 +33 25 45 HO 72 BC 2003 11 162 23.0 12.90 14.40 1.50
Show 17 55 50 +33 25 45 HO 72 BD 2015 11 56 134.4 12.90 13.20 0.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4604269610637580928