18377-2243 ARA1894

 
 
18h 37m 44.37s -22 43' 24.8" P.A. 269 sep 7.5 mag 11.20,12.90
 
 
Coord 2000
18377-2243
Discov num
ARA1894
Comp
Coord arcsec 2000
18 37 44.37 -22 43 24.8
Date first
1921
Date last
2010
Obs
6
Pa first
265
Pa last
269
P.A. Now (θ)
269°
Sep first
7.7
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.20
Mag sec
12.90
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+016
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-001
Notes
rPM=1.047
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.6
Precise sep
7.47
Constellation
Sagittarius
last precise pa
268.6
last precise sep
7.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18377-2243 ARA1894 1998 3 269 7.3 11.20 12.90 D 183744.37-224324.8
18377-2243 ARA1894 1999 4 269 7.3 11.20 12.90 D 183744.37-224324.8
18377-2243 ARA1894 2010 6 269 7.5 11.20 12.90 183744.37-224324.8

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