18169-2212 ARA1867

 
 
18h 16m 54.79s -22 11' 51.0" P.A. 271 sep 15.9 mag 11.50,12.90
 
 
Coord 2000
18169-2212
Discov num
ARA1867
Comp
Coord arcsec 2000
18 16 54.79 -22 11 51.0
Date first
1920
Date last
1999
Obs
6
Pa first
275
Pa last
271
P.A. Now (θ)
271°
Sep first
14.5
Sep last
15.9
Sep. Now (ρ)
15.9"
Mag pri
11.50
Mag sec
12.90
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+009
Sec motion ra
-002
Pri motion dec
+001
Sec motion dec
-007
Notes
rPM=1.502
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270.9
Precise sep
15.948
Constellation
Sagittarius
last precise pa
270.9
last precise sep
15.948
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18169-2212 ARA1867 1999 3 271 16.0 11.50 12.90 D 181654.79-221151.0
18169-2212 ARA1867 2010 7 263 16.8 11.50 12.90 181654.79-221151.0

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