18116-2059 ARA1138

 
 
18h 11m 36.10s -20 58' 12.8" P.A. 157 sep 13.6 mag 11.90,12.70
 
 
Coord 2000
18116-2059
Discov num
ARA1138
Comp
Coord arcsec 2000
18 11 36.10 -20 58 12.8
Date first
1920
Date last
2000
Obs
6
Pa first
158
Pa last
157
P.A. Now (θ)
157°
Sep first
13.9
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
11.90
Mag sec
12.70
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-005
Sec motion ra
+003
Pri motion dec
-005
Sec motion dec
+000
Notes
rPM=1.334
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
157.1
Precise sep
13.618
Constellation
Sagittarius
last precise pa
157.1
last precise sep
13.618
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18116-2059 ARA1138 1998 2 157 13.6 11.90 12.70 D 181136.10-205812.8
18116-2059 ARA1138 2000 4 157 13.6 11.90 12.70 D 181136.10-205812.8
18116-2059 ARA1138 2010 7 160 14.0 11.90 12.70 181136.10-205812.8

If you need more information about this double, apply for a data request form to the WDS.