16317+1704 H N   3AB

 
 
16h 31m 21.46s +17 02' 30.8" P.A. 54 sep 24.1 mag 12.06,11.94
 
 
Coord 2000
16317+1704
Discov num
H N   3
Comp
AB
Coord arcsec 2000
16 31 21.46 +17 02 30.8
Date first
1903
Date last
2015
Obs
10
Pa first
48
Pa last
54
P.A. Now (θ)
54°
Sep first
23.4
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
12.06
Mag sec
11.94
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
-006
Sec motion ra
+016
Pri motion dec
+018
Sec motion dec
+001
Notes
rPM=1.465
This double is not physical.
 
 
16317+1704 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16317+1704 H N 3 AB 1903 2015 10 54 24.1 12.06 11.94 0.12 <===
Show 16317+1704 H N 3 AC 1899 2015 12 133 28.7 12.06 11.44 0.62
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
53.9
Precise sep
24.08
Constellation
Hercules
Tycho2
1510-01213-1
Gaia DR2
88099463424
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16317+1704 H N 3 AB 1999 3 53 23.9 10.60 12.21 N D 163121.46+170230.8
16317+1704 H N 3 AB 2010 5 54 24.2 10.60 12.21 N D 163121.46+170230.8
16317+1704 H N 3 AB 2015 10 54 24.1 12.06 11.94 163121.46+170230.8

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