17551+3134 ITF 16 AC

 
 
17h 55m 07.18s +31° 33' 36.8" P.A. 107.00 sep 11.3 mag 10.31,15.60 Sp K1V+K7V
 
 
Coord 2000 17551+3134 Discov num ITF  16 Comp AC Coord arcsec 2000 17 55 07.18 +31 33 36.8
Date first 1952 Date last 2016 Obs 10
Pa first 102 Pa last 107.2 P.A. Now (θ) 107.2°
Sep first 10.7 Sep last 11.263 Sep. Now (ρ) 11.263"
Mag pri 10.31 Mag sec 15.60 delta mag (ΔM) 5.29 Spectral class K1V+K7V (yellow-orange/yellow-orange)
Pri motion ra -076 Sec motion ra -041
Pri motion dec -103 Sec motion dec -124
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.313
This double is physical.
 
 
17551+3134 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 55 07 +31 33 37 AG 215 AB 2015 23 49 42.8 10.31 11.57 1.26
Show 17 55 07 +31 33 37 ITF 16 AC 2016 10 107 11.3 10.31 15.60 5.29 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2608-00620-1 Gaia DR2 4603062892329847680