16584+3210 COU 990

 
 
16h 58m 25.93s +32 09' 06.5" P.A. 134 sep 2.2 mag 10.79,11.94
 
 
Coord 2000
16584+3210
Discov num
COU 990
Comp
Coord arcsec 2000
16 58 25.93 +32 09 06.5
Date first
1973
Date last
2009
Obs
5
Pa first
135
Pa last
134
P.A. Now (θ)
134°
Sep first
2.0
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
10.79
Mag sec
11.94
delta mag (ΔM)
1.15
Spectral class
Pri motion ra
-018
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
134.4
Precise sep
2.156
Constellation
Hercules
Tycho2
2594-01517-1
last precise pa
134.4
last precise sep
2.156
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16584+3210 COU 990 1998 4 134 2.3 10.79 11.94 165825.93+320906.5
16584+3210 COU 990 2009 5 134 2.2 10.79 11.94 165825.93+320906.5

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