18551+1644 WFC 216

 
 
18H 55M 04.26S +16 44' 20.3" P.A. 89 SEP 12 MAG 9.07,9.55 SP A2
 
 
Coord 2000
18551+1644
Discov num
WFC 216
Comp
Coord arcsec 2000
18 55 04.26 +16 44 20.3
Date first
1896
Date last
2016
Obs
13
Pa first
92
Pa last
89
P.A. Now (θ)
89°
Sep first
12.4
Sep last
12.0
Sep. Now (ρ)
12"
Mag pri
9.07
Mag sec
9.55
delta mag (ΔM)
0.48
Spectral class
A2 (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-016
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
88.7
last precise sep
12.031