18307-1639 ARA 104

 
 
18h 30m 40.64s -16° 38' 36.4" P.A. 205.00 sep 11.1 mag 11.31,11.45
 
 
Coord 2000 18307-1639 Discov num ARA 104 Comp Coord arcsec 2000 18 30 40.64 -16 38 36.4
Date first 1916 Date last 2019 Obs 7
Pa first 205 Pa last 204.6 P.A. Now (θ) 204.6°
Sep first 11.4 Sep last 11.149 Sep. Now (ρ) 11.149"
Mag pri 11.31 Mag sec 11.45 delta mag (ΔM) 0.14 Spectral class
Pri motion ra -006 Sec motion ra -014
Pri motion dec -009 Sec motion dec -027
Notes
rPM=0.648
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6266-02547-1 Gaia DR2 4096853820583314688