17324-1804 ARA 258

 
 
17h 32m 23.87s -18 04' 06.1" P.A. 74 sep 6.6 mag 11.34,12.40
 
 
Coord 2000
17324-1804
Discov num
ARA 258
Comp
Coord arcsec 2000
17 32 23.87 -18 04 06.1
Date first
1916
Date last
2010
Obs
5
Pa first
62
Pa last
74
P.A. Now (θ)
74°
Sep first
6.7
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
11.34
Mag sec
12.40
delta mag (ΔM)
1.06
Spectral class
Pri motion ra
-002
Sec motion ra
+045
Pri motion dec
-006
Sec motion dec
+016
Notes
rPM=1.087
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
74
Precise sep
6.63
Constellation
Ophiuchus
Tycho2
6239-01931-1
last precise pa
74
last precise sep
6.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17324-1804 ARA 258 1998 2 75 6.4 11.34 12.40 D 173223.87-180406.1
17324-1804 ARA 258 1999 3 75 6.4 11.34 12.40 D 173223.87-180406.1
17324-1804 ARA 258 2010 5 75 6.0 11.34 12.40 173223.87-180406.1

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