18007+4145 ES 1558

 
 
18h 00m 50.53s +41 45' 12.5" P.A. 298 sep 6.3 mag 10.22,13.70
 
 
Coord 2000
18007+4145
Discov num
ES 1558
Comp
Coord arcsec 2000
18 00 50.53 +41 45 12.5
Date first
1916
Date last
2015
Obs
7
Pa first
283
Pa last
298
P.A. Now (θ)
298°
Sep first
5.3
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
10.22
Mag sec
13.70
delta mag (ΔM)
3.48
Spectral class
Pri motion ra
+005
Sec motion ra
-010
Pri motion dec
-011
Sec motion dec
+007
Notes
rPM=1.92
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.6
Precise sep
6.28
Constellation
Hercules
Tycho2
3110-01727-1
last precise pa
297.6
last precise sep
6.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18007+4145 ES 1558 1916 1 283 5.3 10.22 13.70 180050.53+414512.5
18007+4145 ES 1558 1999 2 294 6.0 10.22 13.70 D 180050.53+414512.5
18007+4145 ES 1558 2009 3 296 6.5 10.22 13.70 D 180050.53+414512.5
18007+4145 ES 1558 2010 5 298 6.2 10.22 13.70 180050.53+414512.5
18007+4145 ES 1558 2011 6 294 6.0 10.22 13.70 180050.53+414512.5
18007+4145 ES 1558 2015 7 298 6.3 10.22 13.70 180050.53+414512.5

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