18237+0829 ROE 100BC

 
 
18h 23m 43.93s +08 29' 17.5" P.A. 345 sep 5.7 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
2015
Obs
8
Pa first
342
Pa last
345
P.A. Now (θ)
345°
Sep first
4.8
Sep last
5.7
Sep. Now (ρ)
5.7"
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 2015 14 21 27.3 9.29 11.13 1.84
Show 18237+0829 ROE 100 BC 1898 2015 8 345 5.7 11.13 12.90 1.77 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
344.5
Precise sep
5.659
Constellation
Ophiuchus
Tycho2
1023-00801-1
Gaia DR2
93198351232
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18237+0829 ROE 100 BC 2007 4 343 5.6 10.50 11.40 182308.57+082900.0
18237+0829 ROE 100 BC 2010 6 344 5.8 11.13 12.90 D 182343.93+082917.5
18237+0829 ROE 100 BC 2015 8 345 5.7 11.13 12.90 182343.93+082917.5

If you need more information about this double, apply for a data request form to the WDS.