18117-1605 J  1620BD

 
 
18h 11m 41.37s -16 04' 44.6" P.A. 11 sep 8 mag 10.97,11.20
 
 
Coord 2000
18117-1605
Discov num
J  1620
Comp
BD
Coord arcsec 2000
18 11 41.37 -16 04 44.6
Date first
1905
Date last
2017
Obs
11
Pa first
7
Pa last
11
P.A. Now (θ)
11°
Sep first
8.0
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
10.97
Mag sec
11.20
delta mag (ΔM)
0.23
Spectral class
Pri motion ra
-002
Sec motion ra
+009
Pri motion dec
-003
Sec motion dec
+003
Notes
rPM=1.321
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
11.4
Precise sep
8.023
Constellation
Sagittarius
SAO
161161
Tycho2
6264-00459-1
last precise pa
11.4
last precise sep
8.023
 
 
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 BD 2005 7 11 8.0 10.97 11.20 D 181141.37-160444.6
18117-1605 J 1620 BD 2017 11 11 8.0 10.97 11.20 181141.37-160444.6

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