18223-1856 J  1740AB

 
 
18h 22m 16.30s -18 55' 40.9" P.A. 148 sep 5.5 mag 11.00,12.60
 
 
Coord 2000
18223-1856
Discov num
J  1740
Comp
AB
Coord arcsec 2000
18 22 16.30 -18 55 40.9
Date first
1960
Date last
2000
Obs
5
Pa first
147
Pa last
148
P.A. Now (θ)
148°
Sep first
3.7
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
11.00
Mag sec
12.60
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
-005
Sec motion ra
+065
Pri motion dec
+003
Sec motion dec
-036
Notes
rPM=1.078
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
148.2
Precise sep
5.46
Constellation
Sagittarius
last precise pa
148.2
last precise sep
5.46
 
 
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 AB 1999 3 148 5.5 11.00 12.60 D 182216.30-185540.9
18223-1856 J 1740 AB 2000 6 148 5.5 11.00 12.60 182216.30-185540.9

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