17309-1609 J  2506

 
 
17h 30m 55.27s -16 09' 07.4" P.A. 205 sep 4.1 mag 9.80,11.60
 
 
Coord 2000
17309-1609
Discov num
J  2506
Comp
Coord arcsec 2000
17 30 55.27 -16 09 07.4
Date first
1904
Date last
2000
Obs
7
Pa first
180
Pa last
205
P.A. Now (θ)
205°
Sep first
2.7
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
9.80
Mag sec
11.60
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+009
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
204.9
Precise sep
4.09
Constellation
Ophiuchus
last precise pa
204.9
last precise sep
4.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17309-1609 J 2506 2000 6 205 4.1 9.80 11.60 D 173055.27-160907.4
17309-1609 J 2506 2010 8 201 4.1 9.80 11.60 173055.27-160907.4

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