18387-2114 ARA 1551

 
 
18h 38m 40.81s -21° 13' 25.0" P.A. 137.00 sep 6.1 mag 13.10,13.20
 
 
Coord 2000 18387-2114 Discov num ARA1551 Comp Coord arcsec 2000 18 38 40.81 -21 13 25.0
Date first 1921 Date last 2015 Obs 8
Pa first 137 Pa last 136.5 P.A. Now (θ) 136.5°
Sep first 6.7 Sep last 6.061 Sep. Now (ρ) 6.061"
Mag pri 13.10 Mag sec 13.20 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -001 Sec motion ra -004
Pri motion dec +002 Sec motion dec +003
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4079668969259723136