18119+3417 SEI 561

 
 
18H 11M 51.26S +34 17' 53.4" P.A. 155 SEP 20.8 MAG 11.81,12.50
 
 
Coord 2000
18119+3417
Discov num
SEI 561
Comp
Coord arcsec 2000
18 11 51.26 +34 17 53.4
Date first
1894
Date last
2010
Obs
6
Pa first
154
Pa last
155
P.A. Now (θ)
155°
Sep first
20.1
Sep last
20.8
Sep. Now (ρ)
20.8"
Mag pri
11.81
Mag sec
12.50
delta mag (ΔM)
0.69
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-008
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2630-00374-1
last precise pa
154.5
last precise sep
20.81