17085+3429 COU 991

 
 
17h 08m 34.44s +34 29' 51.8" P.A. 224 sep 1.8 mag 10.22,13.70
 
 
Coord 2000
17085+3429
Discov num
COU 991
Comp
Coord arcsec 2000
17 08 34.44 +34 29 51.8
Date first
1973
Date last
2007
Obs
3
Pa first
224
Pa last
224
P.A. Now (θ)
224°
Sep first
1.7
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.22
Mag sec
13.70
delta mag (ΔM)
3.48
Spectral class
Pri motion ra
+019
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.3
Precise sep
1.847
Constellation
Hercules
Tycho2
2599-00295-1
last precise pa
224.3
last precise sep
1.847
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17085+3429 COU 991 1998 2 228 1.9 10.22 13.70 170834.44+342951.8
17085+3429 COU 991 2007 3 224 1.8 10.22 13.70 170834.44+342951.8

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