17214-1817 ARA 441

 
 
17h 21m 26.82s -18 16' 34.4" P.A. 235 sep 6.5 mag 10.90,11.30
 
 
Coord 2000
17214-1817
Discov num
ARA 441
Comp
Coord arcsec 2000
17 21 26.82 -18 16 34.4
Date first
1916
Date last
2015
Obs
7
Pa first
233
Pa last
235
P.A. Now (θ)
235°
Sep first
6.0
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
10.90
Mag sec
11.30
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-001
Sec motion ra
-054
Pri motion dec
+029
Sec motion dec
-004
Notes
rPM=1.153
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
234.6
Precise sep
6.48
Constellation
Ophiuchus
Tycho2
6238-01437-1
last precise pa
234.6
last precise sep
6.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17214-1817 ARA 441 1999 4 234 6.5 10.90 11.30 D 172126.82-181634.4
17214-1817 ARA 441 2015 7 235 6.5 10.90 11.30 172126.82-181634.4

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