13216+1717 COU  56AB

 
 
13h 21m 36.65s +17 15' 45.4" P.A. 324 sep 0.4 mag 10.80,11.40
 
 
Coord 2000
13216+1717
Discov num
COU  56
Comp
AB
Coord arcsec 2000
13 21 36.65 +17 15 45.4
Date first
1965
Date last
1977
Obs
3
Pa first
324
Pa last
324
P.A. Now (θ)
324°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.80
Mag sec
11.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-053
Sec motion ra
Pri motion dec
+027
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
13216+1717 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 13216+1717 COU 56 AB 1965 1977 3 324 0.4 10.80 11.40 0.60 <===
Show 13216+1717 GRV 866 AB,C 1895 2001 5 296 64.2 10.32 10.99 0.67
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323.6
Precise sep
0.35
Constellation
Coma Berenices
Tycho2
1458-00375-1
last precise pa
323.6
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13216+1717 COU 56 AB 1977 3 324 0.4 10.20 10.80 132136.65+171545.4

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