18223-1856 J  1740AC

 
 
18h 22m 16.30s -18 55' 40.9" P.A. 177 sep 8.6 mag 11.00,11.60
 
 
Coord 2000
18223-1856
Discov num
J  1740
Comp
AC
Coord arcsec 2000
18 22 16.30 -18 55 40.9
Date first
1917
Date last
2000
Obs
9
Pa first
178
Pa last
177
P.A. Now (θ)
177°
Sep first
9.2
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
11.00
Mag sec
11.60
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-005
Sec motion ra
-011
Pri motion dec
+003
Sec motion dec
-006
Notes
rPM=0.863
This double is not physical.
 
 
18223-1856 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18223-1856 J 1740 AB 1960 2000 5 148 5.5 11.00 12.60 1.60
Show 18223-1856 J 1740 AC 1917 2000 9 177 8.6 11.00 11.60 0.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.4
Precise sep
8.62
Constellation
Sagittarius
last precise pa
177.4
last precise sep
8.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18223-1856 J 1740 AC 1999 6 178 8.7 11.00 11.60 D 182216.30-185540.9
18223-1856 J 1740 AC 2000 9 177 8.6 11.00 11.60 182216.30-185540.9

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