18554+1118 SRW 7 AB

 
 
18h 55m 24.61s +11° 17' 16.5" P.A. 24.00 sep 26.4 mag 10.73,11.00 Sp A:+A:
 
 
Coord 2000 18554+1118 Discov num SRW   7 Comp AB Coord arcsec 2000 18 55 24.61 +11 17 16.5
Date first 1907 Date last 2015 Obs 14
Pa first 23 Pa last 23.5 P.A. Now (θ) 23.5°
Sep first 25.9 Sep last 26.396 Sep. Now (ρ) 26.396"
Mag pri 10.73 Mag sec 11.00 delta mag (ΔM) 0.27 Spectral class A:+A: (white/white)
Pri motion ra -001 Sec motion ra +002
Pri motion dec -006 Sec motion dec -002
Notes
rPM=0.822
This double is not physical.
 
 
18554+1118 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 55 25 +11 17 16 SRW 7 AB 2015 14 24 26.4 10.73 11.00 0.27 <===
Show 18 55 25 +11 17 16 SRW 7 AC 2015 14 322 29.1 10.73 11.56 0.83
Show 18 55 25 +11 17 41 SRW 7 BC 2015 15 267 28.6 11.00 11.56 0.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 1047-02261-1 Gaia DR2 4312129469928184960