17178+0733 J   450

 
 
17h 17m 51.75s +07 32' 55.0" P.A. 61 sep 4.7 mag 9.60,9.80
 
 
Coord 2000
17178+0733
Discov num
J   450
Comp
Coord arcsec 2000
17 17 51.75 +07 32 55.0
Date first
1911
Date last
2016
Obs
18
Pa first
66
Pa last
61
P.A. Now (θ)
61°
Sep first
3.6
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
9.60
Mag sec
9.80
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-024
Sec motion ra
+022
Pri motion dec
-013
Sec motion dec
+003
Notes
rPM=1.784
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
60.6
Precise sep
4.665
Constellation
Ophiuchus
Tycho2
0978-01499-1
last precise pa
60.6
last precise sep
4.665
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17178+0733 J 450 2000 14 64 4.5 9.60 9.80 D 171751.75+073255.0
17178+0733 J 450 2010 15 61 4.6 9.60 9.80 D 171751.75+073255.0
17178+0733 J 450 2016 18 61 4.7 9.60 9.80 171751.75+073255.0

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