18523+1432 WAL  97AC

 
 
18h 52m 18.63s +14 32' 08.0" P.A. 88 sep 60.1 mag 6.63,11.01 Sp G9III
 
 
Coord 2000
18523+1432
Discov num
WAL  97
Comp
AC
Coord arcsec 2000
18 52 18.63 +14 32 08.0
Date first
1944
Date last
2017
Obs
7
Pa first
100
Pa last
88
P.A. Now (θ)
88°
Sep first
70.0
Sep last
60.1
Sep. Now (ρ)
60.1"
Mag pri
6.63
Mag sec
11.01
delta mag (ΔM)
4.38
Spectral class
G9III (yellow)
Pri motion ra
+012
Sec motion ra
+001
Pri motion dec
-026
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.707
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
87.9
Precise sep
60.148
Constellation
Hercules
last precise pa
87.9
last precise sep
60.148
 
 
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 AC 1999 3 96 65.4 6.63 11.01 G9III D 185218.63+143208.0
18523+1432 WAL 97 AC 2001 4 96 65.7 6.63 11.01 G9III N D 185218.63+143208.0
18523+1432 WAL 97 AC 2014 5 88 59.8 6.63 11.01 G9III N 185218.63+143208.0
18523+1432 WAL 97 AC 2016 6 88 60.4 6.63 11.01 G9III N 185218.63+143208.0
18523+1432 WAL 97 AC 2017 7 88 60.1 6.63 11.01 G9III N 185218.63+143208.0

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