18093+4555 WFC 205

 
 
18h 09m 18.85s +45 55' 27.5" P.A. 51 sep 6.5 mag 10.62,11.58
 
 
Coord 2000
18093+4555
Discov num
WFC 205
Comp
Coord arcsec 2000
18 09 18.85 +45 55 27.5
Date first
1893
Date last
2008
Obs
6
Pa first
54
Pa last
51
P.A. Now (θ)
51°
Sep first
6.8
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
10.62
Mag sec
11.58
delta mag (ΔM)
0.96
Spectral class
Pri motion ra
+011
Sec motion ra
+020
Pri motion dec
+003
Sec motion dec
+010
Notes
rPM=0.51
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.5
Precise sep
6.51
Constellation
Hercules
Tycho2
3524-01044-1
last precise pa
50.5
last precise sep
6.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18093+4555 WFC 205 1998 4 51 6.5 10.62 11.58 D 180918.85+455527.5
18093+4555 WFC 205 2008 5 51 6.5 10.62 11.58 D 180918.85+455527.5

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