11539-1945 ARA 687

 
 
11h 53m 53.42s -19 45' 50.3" P.A. 65 sep 7.7 mag 11.50,12.80
 
 
Coord 2000
11539-1945
Discov num
ARA 687
Comp
Coord arcsec 2000
11 53 53.42 -19 45 50.3
Date first
1918
Date last
2010
Obs
6
Pa first
69
Pa last
65
P.A. Now (θ)
65°
Sep first
7.9
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
11.50
Mag sec
12.80
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-021
Sec motion ra
+000
Pri motion dec
+001
Sec motion dec
+010
Notes
rPM=1.087
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
64.6
Precise sep
7.71
Constellation
Crater
last precise pa
64.6
last precise sep
7.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11539-1945 ARA 687 1999 3 65 7.8 11.50 12.80 D 115353.42-194550.3
11539-1945 ARA 687 2010 6 65 7.7 11.50 12.80 115353.42-194550.3

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