16425-2021 ARA1118

 
 
16h 42m 32.46s -20 21' 49.3" P.A. 104 sep 8.8 mag 12.10,12.80
 
 
Coord 2000
16425-2021
Discov num
ARA1118
Comp
Coord arcsec 2000
16 42 32.46 -20 21 49.3
Date first
1922
Date last
2010
Obs
5
Pa first
110
Pa last
104
P.A. Now (θ)
104°
Sep first
8.8
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
12.10
Mag sec
12.80
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+005
Sec motion ra
+015
Pri motion dec
-008
Sec motion dec
-008
Notes
rPM=0.588
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.3
Precise sep
8.8
Constellation
Ophiuchus
last precise pa
104.3
last precise sep
8.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16425-2021 ARA1118 1998 2 106 8.9 12.10 12.80 D 164232.46-202149.3
16425-2021 ARA1118 2000 4 106 8.9 12.10 12.80 D 164232.46-202149.3
16425-2021 ARA1118 2010 5 104 8.5 12.10 12.80 164232.46-202149.3

If you need more information about this double, apply for a data request form to the WDS.