18105-1745 J  2197BC

 
 
18H 10M 36.79S -17 45' 50.9" P.A. 84 SEP 6.3 MAG 11.39,11.40
 
 
Coord 2000
18105-1745
Discov num
J  2197
Comp
BC
Coord arcsec 2000
18 10 36.79 -17 45 50.9
Date first
1942
Date last
2008
Obs
7
Pa first
85
Pa last
84
P.A. Now (θ)
84°
Sep first
6.0
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
11.39
Mag sec
11.40
delta mag (ΔM)
0.01
Spectral class
Pri motion ra
-022
Sec motion ra
+024
Pri motion dec
-008
Sec motion dec
+005
Notes
rPM=1.95
This double is not physical.
 
 
18105-1745 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161136 18105-1745 J 2197 AB 1916 1999 5 109 72.7 8.04 11.39 3.35
Show 18105-1745 J 2197 BC 1942 2008 7 84 6.3 11.39 11.40 0.01 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6268-00586-1
last precise pa
83.7
last precise sep
6.32