18523+1432 WAL  97AD

 
 
18h 52m 18.63s +14 32' 08.0" P.A. 119 sep 83.8 mag 6.63,10.90 Sp G9III
 
 
Coord 2000
18523+1432
Discov num
WAL  97
Comp
AD
Coord arcsec 2000
18 52 18.63 +14 32 08.0
Date first
1897
Date last
2017
Obs
5
Pa first
119
Pa last
119
P.A. Now (θ)
119°
Sep first
86.2
Sep last
83.8
Sep. Now (ρ)
83.8"
Mag pri
6.63
Mag sec
10.90
delta mag (ΔM)
4.27
Spectral class
G9III (yellow)
Pri motion ra
+012
Sec motion ra
+001
Pri motion dec
-026
Sec motion dec
-020
Notes
N (See Notes)
rPM=0.438
Nature of this double is uncertain.
 
 
18523+1432 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18523+1432 STF2411 AB 1829 2017 30 96 13.5 6.63 9.61 2.98
Show 18523+1432 WAL 97 AC 1944 2017 7 88 60.1 6.63 11.01 4.38
Show 18523+1432 WAL 97 AD 1897 2017 5 119 83.8 6.63 10.90 4.27 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
118.8
Precise sep
83.798
Constellation
Hercules
last precise pa
118.8
last precise sep
83.798
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18523+1432 WAL 97 AD 1999 3 134 113.4 6.63 11.22 G9III D 185218.63+143208.0
18523+1432 WAL 97 AD 2014 2 118 83.9 6.63 10.90 G9III N 185218.63+143208.0
18523+1432 WAL 97 AD 2016 4 118 84.1 6.63 10.90 G9III N 185218.63+143208.0
18523+1432 WAL 97 AD 2017 5 119 83.8 6.63 10.90 G9III N 185218.63+143208.0

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