18274-1838 LEO  17AB

 
 
18H 27M 24.69S -18 38' 19.0" P.A. 211 SEP 3.9 MAG 11.60,11.80
 
 
Coord 2000
18274-1838
Discov num
LEO  17
Comp
AB
Coord arcsec 2000
18 27 24.69 -18 38 19.0
Date first
1916
Date last
2003
Obs
5
Pa first
217
Pa last
211
P.A. Now (θ)
211°
Sep first
4.2
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.60
Mag sec
11.80
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+029
Sec motion ra
+005
Pri motion dec
+038
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
18274-1838 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18274-1838 LEO 17 AB 1916 2003 5 211 3.9 11.60 11.80 0.20 <===
Show 18274-1838 LEO 17 AC 1917 2003 5 276 17.8 11.60 13.50 1.90
Show 18274-1838 LEO 17 DE 1916 1999 5 294 15.9 11.14 11.27 0.13
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
last precise pa
211.1
last precise sep
3.94