16318+1719 COU 310

 
 
16h 31m 47.29s +17 19' 24.3" P.A. 328 sep 1.1 mag 11.30,11.99
 
 
Coord 2000
16318+1719
Discov num
COU 310
Comp
Coord arcsec 2000
16 31 47.29 +17 19 24.3
Date first
1968
Date last
1991
Obs
4
Pa first
315
Pa last
328
P.A. Now (θ)
328°
Sep first
0.9
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
11.30
Mag sec
11.99
delta mag (ΔM)
0.69
Spectral class
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
+006
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.6
Precise sep
1.14
Constellation
Hercules
Tycho2
1510-00685-1
last precise pa
327.6
last precise sep
1.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16318+1719 COU 310 1991 4 328 1.1 11.30 11.99 163147.29+171924.3

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