18241-2248 ARA1886AC

 
 
18h 24m 02.14s -22 47' 41.4" P.A. 154 sep 7.9 mag 11.73,12.80
 
 
Coord 2000
18241-2248
Discov num
ARA1886
Comp
AC
Coord arcsec 2000
18 24 02.14 -22 47 41.4
Date first
1920
Date last
1999
Obs
4
Pa first
163
Pa last
154
P.A. Now (θ)
154°
Sep first
8.3
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
11.73
Mag sec
12.80
delta mag (ΔM)
1.07
Spectral class
Pri motion ra
-003
Sec motion ra
+018
Pri motion dec
-012
Sec motion dec
-011
Notes
rPM=0.997
This double is not physical.
 
 
18241-2248 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18241-2248 ARA1886 AB 1920 1999 5 64 15.0 11.73 12.10 0.37
Show 18241-2248 ARA1886 AC 1920 1999 4 154 7.9 11.73 12.80 1.07 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.1
Precise sep
7.94
Constellation
Sagittarius
Tycho2
6844-04031-1
last precise pa
154.1
last precise sep
7.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18241-2248 ARA1886 AC 1998 2 154 8.0 11.73 12.80 D 182402.14-224741.4
18241-2248 ARA1886 AC 1999 3 154 8.0 11.73 12.80 D 182402.14-224741.4

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