17186+3401 WIS 315 AB

17h 18m 34.70s +34° 00' 29.7" P.A. 203.00 sep 743.5 mag 12.97,16.60

Coord 2000 17186+3401 Discov num WIS 315 Comp AB Coord arcsec 2000 17 18 34.70 +34 00 29.7
Date first 1998 Date last 2015 Obs 7
Pa first 203 Pa last 202.8 P.A. Now (θ) 202.8°
Sep first 743.8 Sep last 743.52 Sep. Now (ρ) 743.52"
Mag pri 12.97 Mag sec 16.60 delta mag (ΔM) 3.63 Spectral class
Pri motion ra -024 Sec motion ra -005
Pri motion dec +163 Sec motion dec +166
Notes V (Proper motion indicates physical)




rPM=0.116 (< 0.3, Physical double)

This double is physical.



17186+3401 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 18 35 +34 00 30 NSN 689 Aa,Ab 2016 4 86 1.2 13.07 14.58 1.51
Show 17 18 35 +34 00 30 WIS 315 AB 2015 7 203 743.5 12.97 16.60 3.63 <===


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules