18117-1605 J  1620BC

 
 
18h 11m 41.37s -16 04' 44.6" P.A. 236 sep 7.3 mag 10.97,11.30
 
 
Coord 2000
18117-1605
Discov num
J  1620
Comp
BC
Coord arcsec 2000
18 11 41.37 -16 04 44.6
Date first
1905
Date last
2017
Obs
11
Pa first
237
Pa last
236
P.A. Now (θ)
236°
Sep first
7.3
Sep last
7.3
Sep. Now (ρ)
7.3"
Mag pri
10.97
Mag sec
11.30
delta mag (ΔM)
0.33
Spectral class
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
-012
Notes
U (Proper motion indicates non-physical)
rPM=0.788
This double is not physical.
 
 
18117-1605 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161161 18117-1605 J 1620 AB 1905 2017 9 273 27.7 9.65 10.97 1.32
Show 161161 18117-1605 ABH 95 AE 1905 2002 6 346 46.8 9.65 12.69 3.04
Show 161161 18117-1605 ABH 95 AF 1905 2002 7 300 120.1 9.65 11.32 1.67
Show 161161 18117-1605 J 1620 BC 1905 2017 11 236 7.3 10.97 11.30 0.33 <===
Show 161161 18117-1605 J 1620 BD 1905 2017 11 11 8.0 10.97 11.20 0.23
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236
Precise sep
7.252
Constellation
Sagittarius
SAO
161161
Tycho2
6264-00459-1
last precise pa
236
last precise sep
7.252
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18117-1605 J 1620 BC 2005 7 235 7.2 10.97 11.30 D 181141.37-160444.6
18117-1605 J 1620 BC 2017 11 236 7.3 10.97 11.30 U 181141.37-160444.6

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 18117-1605 J 1620BC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
J Jonckheere, R.
J Jonckheere, R. (measure by Vanderdonck, J.)

 
 
WDS 18117-1605 J 1620BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18117-1605 J 1620BC : MEASURES
 
 
No records found.

 
 
WDS 18117-1605 J 1620BC : Virtual Eyepiece
 
 

18117-1605  J  1620 A 18117-1605  J  1620AB sep 27.7 P.A. 273 mag 9.65,10.97 Sp B9 18117-1605  ABH  95AE sep 46.8 P.A. 346 mag 9.65,12.69 Sp B9 18117-1605  ABH  95AF sep 120.1 P.A. 300 mag 9.65,11.32 Sp B9 18117-1605  J  1620BC sep 7.3 P.A. 236 mag 10.97,11.30 18117-1605  J  1620BD sep 8 P.A. 11 mag 10.97,11.20 18117-1605  J  1620BC sep 7.3 P.A. 236 mag 10.97,11.30 18117-1605  J  1620BD sep 8 P.A. 11 mag 10.97,11.20 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 18117-1605 J 1620BC : Aladin DSS image @ 18h 11m 41.37s -16 04' 44.6"