18407+1749 WLY  11AD

 
 
18h 40m 41.38s +17 49' 44.4" P.A. 322 sep 14.7 mag 12.60,13.90
 
 
Coord 2000
18407+1749
Discov num
WLY  11
Comp
AD
Coord arcsec 2000
18 40 41.38 +17 49 44.4
Date first
1998
Date last
2006
Obs
3
Pa first
322
Pa last
322
P.A. Now (θ)
322°
Sep first
14.5
Sep last
14.7
Sep. Now (ρ)
14.7"
Mag pri
12.60
Mag sec
13.90
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-006
Sec motion ra
+036
Pri motion dec
+009
Sec motion dec
+011
Notes
rPM=1.117
This double is not physical.
 
 
18407+1749 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18407+1749 ROE 88 AB 1915 2013 5 132 8.4 12.60 12.60 0.00
Show 18407+1749 ROE 88 AC 1915 2006 5 330 35.7 12.60 13.50 0.90
Show 18407+1749 WLY 11 AD 1998 2006 3 322 14.7 12.60 13.90 1.30 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.1
Precise sep
14.74
Constellation
Hercules
last precise pa
322.1
last precise sep
14.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18407+1749 WLY 11 AD 2006 2 322 14.7 12.90 14.20 D 184041.38+174944.4
18407+1749 WLY 11 AD 2010 4 322 14.8 12.60 13.90 184041.38+174944.4

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