18117-1605 J  1620BC

 
 
18H 11M 41.37S -16 04' 44.6" P.A. 235 SEP 7.2 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
2005
Obs
10
Pa first
237
Pa last
235
P.A. Now (θ)
235°
Sep first
7.3
Sep last
7.2
Sep. Now (ρ)
7.2"
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)
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 1999 8 272 27.3 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 2005 10 235 7.2 10.97 11.30 0.33 <===
Show 161161 18117-1605 J 1620 BD 1905 2005 10 11 8.0 10.97 11.20 0.23
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
161161
Tycho2
6264-00459-1
last precise pa
235.1
last precise sep
7.24