18396+1146 AG 363 AB (HD 172398)

 
 
18h 39m 34.34s +11° 46' 00.7" P.A. 197.00 sep 15.6 mag 9.53,10.94 Sp F5
 
 
Coord 2000 18396+1146 Discov num AG  363 Comp AB Coord arcsec 2000 18 39 34.34 +11 46 00.7
Date first 1893 Date last 2015 Obs 16
Pa first 197 Pa last 197.3 P.A. Now (θ) 197.3°
Sep first 17.6 Sep last 15.552 Sep. Now (ρ) 15.552"
Mag pri 9.53 Mag sec 10.94 delta mag (ΔM) 1.41 Spectral class F5 (yellow-white)
Pri motion ra +001 Sec motion ra +005
Pri motion dec -016 Sec motion dec +002
Notes
rPM=1.15
This double is not physical.
 
 
18396+1146 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172398 103958 18 39 34 +11 46 01 AG 363 AB 2015 16 197 15.6 9.53 10.94 1.41 <===
Show 103958 18 39 34 +11 46 01 SLE 229 AC 2015 15 196 37.9 9.53 11.99 2.46
Show 103958 18 39 34 +11 46 01 SLE 229 AD 2015 14 146 59.8 9.53 11.40 1.87
Show 18 39 34 +11 45 46 SLE 229 BC 2015 15 195 22.4 10.94 11.99 1.05
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172398 Constellation Ophiuchus SAO 103958 Tycho2 1033-02962-1
Gaia DR2 4504858022753667712 HD 172398