18338-1710 J  2216

 
 
18H 33M 47.22S -17 08' 44.5" P.A. 20 SEP 3.7 MAG 9.50,9.80
 
 
Coord 2000
18338-1710
Discov num
J  2216
Comp
Coord arcsec 2000
18 33 47.22 -17 08 44.5
Date first
1942
Date last
2014
Obs
7
Pa first
15
Pa last
20
P.A. Now (θ)
20°
Sep first
3.0
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
9.50
Mag sec
9.80
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-015
Sec motion ra
+002
Pri motion dec
-064
Sec motion dec
+021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
last precise pa
19.7
last precise sep
3.66