18237+0829 ROE 100BC

 
 
18H 23M 43.93S +08 29' 17.5" P.A. 344 SEP 5.8 MAG 11.13,12.90
 
 
Coord 2000
18237+0829
Discov num
ROE 100
Comp
BC
Coord arcsec 2000
18 23 43.93 +08 29 17.5
Date first
1898
Date last
2010
Obs
7
Pa first
342
Pa last
344
P.A. Now (θ)
344°
Sep first
4.8
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
11.13
Mag sec
12.90
delta mag (ΔM)
1.77
Spectral class
Pri motion ra
+007
Sec motion ra
+007
Pri motion dec
+005
Sec motion dec
+012
Notes
rPM=0.504
Nature of this double is uncertain.
 
 
18237+0829 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18237+0829 ROE 100 AB 1898 2010 13 21 27.1 9.29 11.13 1.84
Show 18237+0829 ROE 100 BC 1898 2010 7 344 5.8 11.13 12.90 1.77 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
1023-00801-1
last precise pa
343.9
last precise sep
5.8