18155-1738 ARA 271

 
 
18h 15m 31.51s -17° 37' 39.2" P.A. 255.00 sep 8.9 mag 11.74,12.20
 
 
Coord 2000 18155-1738 Discov num ARA 271 Comp Coord arcsec 2000 18 15 31.51 -17 37 39.2
Date first 1916 Date last 2015 Obs 5
Pa first 252 Pa last 254.7 P.A. Now (θ) 254.7°
Sep first 9.0 Sep last 8.928 Sep. Now (ρ) 8.928"
Mag pri 11.74 Mag sec 12.20 delta mag (ΔM) 0.46 Spectral class
Pri motion ra +007 Sec motion ra +001
Pri motion dec -001 Sec motion dec -002
Notes
rPM=0.86
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6268-00137-1 Gaia DR2 4097228586557798784