18407+1749 ROE  88AB

 
 
18H 40M 41.38S +17 49' 44.4" P.A. 132 SEP 8.4 MAG 12.60,12.60
 
 
Coord 2000
18407+1749
Discov num
ROE  88
Comp
AB
Coord arcsec 2000
18 40 41.38 +17 49 44.4
Date first
1915
Date last
2013
Obs
5
Pa first
114
Pa last
132
P.A. Now (θ)
132°
Sep first
7.5
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
12.60
Mag sec
12.60
delta mag (ΔM)
0
Spectral class
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
+009
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
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
 
 
Constellation
Hercules
last precise pa
131.7
last precise sep
8.37