18418-1909 J 2221 AC

 
 
18h 41m 44.78s -19° 09' 14.4" P.A. 346.00 sep 17.9 mag 10.03,12.50
 
 
Coord 2000 18418-1909 Discov num J  2221 Comp AC Coord arcsec 2000 18 41 44.78 -19 09 14.4
Date first 1942 Date last 2015 Obs 6
Pa first 0 Pa last 345.8 P.A. Now (θ) 345.8°
Sep first 15.0 Sep last 17.894 Sep. Now (ρ) 17.894"
Mag pri 10.03 Mag sec 12.50 delta mag (ΔM) 2.47 Spectral class
Pri motion ra +021 Sec motion ra +000
Pri motion dec +009 Sec motion dec -001
Notes
rPM=1.018
This double is not physical.
 
 
18418-1909 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 41 45 -19 09 14 J 2221 AB 2015 6 254 7.5 10.03 11.70 1.67
Show 18 41 45 -19 09 14 J 2221 AC 2015 6 346 17.9 10.03 12.50 2.47 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6288-01767-1 Gaia DR2 4092350637622230656