18163-2137 BRT 1523

 
 
18h 16m 18.70s -21° 37' 23.9" P.A. 175.00 sep 4.3 mag 12.10,12.30
 
 
Coord 2000 18163-2137 Discov num BRT1523 Comp Coord arcsec 2000 18 16 18.70 -21 37 23.9
Date first 1920 Date last 2015 Obs 7
Pa first 168 Pa last 174.9 P.A. Now (θ) 174.9°
Sep first 4.4 Sep last 4.278 Sep. Now (ρ) 4.278"
Mag pri 12.10 Mag sec 12.30 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -003 Sec motion ra -009
Pri motion dec +038 Sec motion dec -009
Notes
rPM=1.243
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4090841622275058432