18143-1902 ARA 740

 
 
18h 14m 18.64s -19 02' 18.4" P.A. 52 sep 9.1 mag 11.90,12.10
 
 
Coord 2000
18143-1902
Discov num
ARA 740
Comp
Coord arcsec 2000
18 14 18.64 -19 02 18.4
Date first
1917
Date last
2014
Obs
8
Pa first
70
Pa last
52
P.A. Now (θ)
52°
Sep first
8.9
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
11.90
Mag sec
12.10
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
+008
Notes
rPM=1.287
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.8
Precise sep
9.1
Constellation
Sagittarius
last precise pa
51.8
last precise sep
9.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18143-1902 ARA 740 1917 1 70 8.9 12.02 12.00 181420.57-190130.1
18143-1902 ARA 740 2013 5 53 8.8 11.90 12.10 181418.64-190218.4
18143-1902 ARA 740 2014 6 52 9.1 11.90 12.10 181418.64-190218.4

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