18538+1334 J  1188

 
 
18h 53m 42.39s +13 30' 58.3" P.A. 196 sep 2 mag 10.60,10.70
 
 
Coord 2000
18538+1334
Discov num
J  1188
Comp
Coord arcsec 2000
18 53 42.39 +13 30 58.3
Date first
1915
Date last
2015
Obs
6
Pa first
194
Pa last
196
P.A. Now (θ)
196°
Sep first
1.5
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
10.60
Mag sec
10.70
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+002
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.5
Precise sep
2.017
Constellation
Hercules
last precise pa
195.5
last precise sep
2.017
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18538+1334 J 1188 1985 5 197 1.5 9.50 11.50 185307.50+133400.0
18538+1334 J 1188 2015 6 196 2.0 10.60 10.70 185342.39+133058.3

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