16442+2200 J  1326AC

 
 
16h 43m 10.21s +22 03' 07.9" P.A. 68 sep 8.7 mag 11.80,13.50
 
 
Coord 2000
16442+2200
Discov num
J  1326
Comp
AC
Coord arcsec 2000
16 43 10.21 +22 03 07.9
Date first
1917
Date last
2001
Obs
3
Pa first
57
Pa last
68
P.A. Now (θ)
68°
Sep first
5.4
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
11.80
Mag sec
13.50
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
-070
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16442+2200 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16442+2200 J 1326 AB 1917 2001 3 233 2.8 11.80 12.00 0.20
Show 16442+2200 J 1326 AC 1917 2001 3 68 8.7 11.80 13.50 1.70 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.9
Precise sep
8.71
Constellation
Hercules
last precise pa
67.9
last precise sep
8.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16442+2200 J 1326 AC 1917 1 57 5.4 11.80 13.50 164430.00+220000.0
16442+2200 J 1326 AC 2000 2 67 9.0 11.80 13.50 164310.21+220307.9
16442+2200 J 1326 AC 2001 4 68 8.7 11.80 13.50 D 164310.21+220307.9
16442+2200 J 1326 AC 2010 4 68 9.3 11.80 13.50 164310.21+220307.9

If you need more information about this double, apply for a data request form to the WDS.