18381+1729 SLE 224

 
 
18h 38m 08.52s +17 29' 17.5" P.A. 21 sep 17.1 mag 11.70,12.00
 
 
Coord 2000
18381+1729
Discov num
SLE 224
Comp
Coord arcsec 2000
18 38 08.52 +17 29 17.5
Date first
1982
Date last
2010
Obs
5
Pa first
20
Pa last
21
P.A. Now (θ)
21°
Sep first
17.1
Sep last
17.1
Sep. Now (ρ)
17.1"
Mag pri
11.70
Mag sec
12.00
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-008
Sec motion ra
+027
Pri motion dec
-012
Sec motion dec
+012
Notes
rPM=1.436
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.6
Precise sep
17.08
Constellation
Hercules
last precise pa
20.6
last precise sep
17.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18381+1729 SLE 224 1999 2 21 17.0 11.70 12.00 D 183808.52+172917.5
18381+1729 SLE 224 2001 4 20 17.0 11.70 12.00 D 183808.52+172917.5
18381+1729 SLE 224 2010 5 21 17.0 11.70 12.00 183808.52+172917.5

If you need more information about this double, apply for a data request form to the WDS.