16547+4518 KZA 121AD

 
 
16h 54m 39.97s +45 18' 10.3" P.A. 221 sep 109.4 mag 11.75,13.20
 
 
Coord 2000
16547+4518
Discov num
KZA 121
Comp
AD
Coord arcsec 2000
16 54 39.97 +45 18 10.3
Date first
1984
Date last
2008
Obs
4
Pa first
221
Pa last
221
P.A. Now (θ)
221°
Sep first
109.5
Sep last
109.4
Sep. Now (ρ)
109.4"
Mag pri
11.75
Mag sec
13.20
delta mag (ΔM)
1.45
Spectral class
Pri motion ra
+000
Sec motion ra
-018
Pri motion dec
+002
Sec motion dec
+028
Notes
rPM=0.95
This double is not physical.
 
 
16547+4518 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16547+4518 KZA 121 AB 1892 2008 7 182 43.0 11.75 12.22 0.47
Show 16547+4518 KZA 121 AC 1983 2008 5 251 50.3 11.75 13.17 1.42
Show 16547+4518 KZA 121 AD 1984 2008 4 221 109.4 11.75 13.20 1.45 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.8
Precise sep
109.42
Constellation
Hercules
Tycho2
3500-02017-1
last precise pa
220.8
last precise sep
109.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16547+4518 KZA 121 AD 1998 2 221 109.5 11.73 13.20 D 165439.97+451810.3
16547+4518 KZA 121 AD 2008 3 221 109.4 11.73 13.20 D 165439.97+451810.3

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