17138-1807 ARA 247

 
 
17h 13m 47.37s -18 06' 41.9" P.A. 235 sep 5.8 mag 13.30,13.70
 
 
Coord 2000
17138-1807
Discov num
ARA 247
Comp
Coord arcsec 2000
17 13 47.37 -18 06 41.9
Date first
1916
Date last
2010
Obs
7
Pa first
240
Pa last
235
P.A. Now (θ)
235°
Sep first
6.1
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
13.30
Mag sec
13.70
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+001
Sec motion ra
-001
Pri motion dec
+006
Sec motion dec
-008
Notes
rPM=1.754
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
234.6
Precise sep
5.84
Constellation
Ophiuchus
last precise pa
234.6
last precise sep
5.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17138-1807 ARA 247 1999 4 235 5.9 13.30 13.70 D 171347.37-180641.9
17138-1807 ARA 247 2010 7 235 5.8 13.30 13.70 171347.37-180641.9

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