18406-2016 ARA1157

 
 
18h 40m 38.74s -20 15' 43.4" P.A. 356 sep 9.5 mag 13.90,13.90
 
 
Coord 2000
18406-2016
Discov num
ARA1157
Comp
Coord arcsec 2000
18 40 38.74 -20 15 43.4
Date first
1922
Date last
1999
Obs
4
Pa first
358
Pa last
356
P.A. Now (θ)
356°
Sep first
10.4
Sep last
9.5
Sep. Now (ρ)
9.5"
Mag pri
13.90
Mag sec
13.90
delta mag (ΔM)
0
Spectral class
Pri motion ra
+002
Sec motion ra
-003
Pri motion dec
-002
Sec motion dec
-004
Notes
rPM=1.077
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.3
Precise sep
9.46
Constellation
Sagittarius
last precise pa
356.3
last precise sep
9.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18406-2016 ARA1157 1998 2 356 9.5 13.90 13.90 D 184038.74-201543.4
18406-2016 ARA1157 1999 3 356 9.6 13.90 13.90 D 184038.74-201543.4
18406-2016 ARA1157 2010 5 358 8.2 13.90 13.90 184038.74-201543.4

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