18089+3254 ES  184

 
 
18h 08m 51.61s +32 52' 32.1" P.A. 159 sep 4.9 mag 9.70,11.90
 
 
Coord 2000
18089+3254
Discov num
ES  184
Comp
Coord arcsec 2000
18 08 51.61 +32 52 32.1
Date first
1904
Date last
2007
Obs
5
Pa first
157
Pa last
159
P.A. Now (θ)
159°
Sep first
5.5
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
9.70
Mag sec
11.90
delta mag (ΔM)
2.2
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
+018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
158.6
Precise sep
4.86
Constellation
Hercules
Tycho2
2625-00354-1
last precise pa
158.6
last precise sep
4.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18089+3254 ES 184 2007 5 159 4.9 9.70 11.90 D 180851.61+325232.1
18089+3254 ES 184 2010 6 159 5.9 9.70 11.90 180851.61+325232.1

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