17388-1722 ARA 261

 
 
17h 38m 48.33s -17 21' 43.3" P.A. 79 sep 12.5 mag 12.80,12.80
 
 
Coord 2000
17388-1722
Discov num
ARA 261
Comp
Coord arcsec 2000
17 38 48.33 -17 21 43.3
Date first
1916
Date last
1999
Obs
4
Pa first
80
Pa last
79
P.A. Now (θ)
79°
Sep first
12.5
Sep last
12.5
Sep. Now (ρ)
12.5"
Mag pri
12.80
Mag sec
12.80
delta mag (ΔM)
0
Spectral class
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=1.5
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.2
Precise sep
12.511
Constellation
Ophiuchus
last precise pa
79.2
last precise sep
12.511
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17388-1722 ARA 261 1916 1 80 12.5 12.80 12.80 173848.33-172143.3
17388-1722 ARA 261 1998 2 80 12.5 12.80 12.80 D 173848.33-172143.3
17388-1722 ARA 261 1999 3 79 12.5 12.80 12.80 D 173848.33-172143.3
17388-1722 ARA 261 2010 5 86 11.7 12.80 12.80 173848.33-172143.3

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