18375-1619 ARA 111

 
 
18h 37m 30.08s -16 18' 54.9" P.A. 197 sep 9 mag 10.85,12.90
 
 
Coord 2000
18375-1619
Discov num
ARA 111
Comp
Coord arcsec 2000
18 37 30.08 -16 18 54.9
Date first
1905
Date last
2010
Obs
8
Pa first
197
Pa last
197
P.A. Now (θ)
197°
Sep first
9.2
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
10.85
Mag sec
12.90
delta mag (ΔM)
2.05
Spectral class
Pri motion ra
+002
Sec motion ra
-001
Pri motion dec
-006
Sec motion dec
-004
Notes
rPM=0.57
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196.8
Precise sep
8.96
Constellation
Sagittarius
Tycho2
6267-01972-1
last precise pa
196.8
last precise sep
8.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18375-1619 ARA 111 1998 4 198 9.2 10.85 12.90 D 183730.08-161854.9
18375-1619 ARA 111 2000 6 197 9.2 10.85 12.90 D 183730.08-161854.9
18375-1619 ARA 111 2010 8 197 9.0 10.85 12.90 183730.08-161854.9

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