18553+1217 HEI 564

 
 
18H 55M 14.54S +12 17' 22.7" P.A. 231 SEP 2.8 MAG 10.00,10.20
 
 
Coord 2000
18553+1217
Discov num
HEI 564
Comp
Coord arcsec 2000
18 55 14.54 +12 17 22.7
Date first
1987
Date last
2001
Obs
3
Pa first
233
Pa last
231
P.A. Now (θ)
231°
Sep first
2.8
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.00
Mag sec
10.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
230.8
last precise sep
2.849