17307+1120 GWP 2717 AC

 
 
17h 30m 41.88s +11° 19' 30.5" P.A. 19.00 sep 19.8 mag 13.70,13.10
 
 
Coord 2000 17307+1120 Discov num GWP2717 Comp AC Coord arcsec 2000 17 30 41.88 +11 19 30.5
Date first 1991 Date last 2016 Obs 6
Pa first 22 Pa last 18.9 P.A. Now (θ) 18.9°
Sep first 18.6 Sep last 19.803 Sep. Now (ρ) 19.803"
Mag pri 13.70 Mag sec 13.10 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +054 Sec motion ra +060
Pri motion dec -042 Sec motion dec -041
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.084 (< 0.3, Physical double)
This double is physical.
 
 
17307+1120 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 30 42 +11 19 30 GWP 2717 AB 2001 2 150 2.9 13.70 14.10 0.40
Show 17 30 42 +11 19 30 GWP 2717 AC 2016 6 19 19.8 13.70 13.10 0.60 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 4493544082437142400