17165-2245 ARA1817

 
 
17h 16m 31.42s -22 44' 10.9" P.A. 168 sep 12.1 mag 11.46,13.50
 
 
Coord 2000
17165-2245
Discov num
ARA1817
Comp
Coord arcsec 2000
17 16 31.42 -22 44 10.9
Date first
1925
Date last
2010
Obs
5
Pa first
172
Pa last
168
P.A. Now (θ)
168°
Sep first
11.2
Sep last
12.1
Sep. Now (ρ)
12.1"
Mag pri
11.46
Mag sec
13.50
delta mag (ΔM)
2.04
Spectral class
Pri motion ra
-007
Sec motion ra
+008
Pri motion dec
-010
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
6812-00064-1
last precise pa
167.7
last precise sep
12.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17165-2245 ARA1817 1999 2 168 11.5 11.46 13.50 D 171631.42-224410.9
17165-2245 ARA1817 2000 4 167 11.6 11.46 13.50 171631.42-224410.9
17165-2245 ARA1817 2010 5 168 11.8 11.46 13.50 171631.42-224410.9

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