20178+0612 AG 251 AB (HD 192994)

 
 
20h 17m 46.09s +06° 11' 37.8" P.A. 185.00 sep 7.3 mag 8.61,10.00 Sp A3
 
 
Coord 2000 20178+0612 Discov num AG  251 Comp AB Coord arcsec 2000 20 17 46.09 +06 11 37.8
Date first 1894 Date last 2016 Obs 27
Pa first 187 Pa last 185.4 P.A. Now (θ) 185.4°
Sep first 9.0 Sep last 7.258 Sep. Now (ρ) 7.258"
Mag pri 8.61 Mag sec 10.00 delta mag (ΔM) 1.39 Spectral class A3 (white)
Pri motion ra -004 Sec motion ra -005
Pri motion dec +004 Sec motion dec +002
Notes
rPM=0.395
Nature of this double is uncertain.
 
 
20178+0612 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192994 20 17 46 +06 11 38 AG 251 AB 2016 27 185 7.3 8.61 10.00 1.39 <===
Show 20 17 46 +06 11 38 AG 251 AC 2015 8 221 87.7 8.61 12.11 3.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192994 Constellation Aquila Tycho2 0508-02203-1 Gaia DR2 4249399617137656576
HD 192994