20178+0612 AG 251 AC

20h 17m 46.09s +06° 11' 37.8" P.A. 221.00 sep 87.7 mag 8.61,12.11 Sp A3

Coord 2000 20178+0612 Discov num AG  251 Comp AC Coord arcsec 2000 20 17 46.09 +06 11 37.8
Date first 1911 Date last 2015 Obs 8
Pa first 223 Pa last 221.1 P.A. Now (θ) 221.1°
Sep first 87.6 Sep last 87.651 Sep. Now (ρ) 87.651"
Mag pri 8.61 Mag sec 12.11 delta mag (ΔM) 3.5 Spectral class A3 (white)
Pri motion ra -004 Sec motion ra +003
Pri motion dec +004 Sec motion dec -014
Notes




rPM=1.349

This double is not physical.



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

Constellation Aquila Tycho2 0508-02203-1 Gaia DR2 4249399617137656576 HD 192994