18589+3241 WAL  99AD

 
 
18h 58m 56.62s +32 41' 22.4" P.A. 152 sep 90.6 mag 3.24,12.48 Sp B9III
 
 
Coord 2000
18589+3241
Discov num
WAL  99
Comp
AD
Coord arcsec 2000
18 58 56.62 +32 41 22.4
Date first
1918
Date last
2002
Obs
4
Pa first
153
Pa last
152
P.A. Now (θ)
152°
Sep first
94.2
Sep last
90.6
Sep. Now (ρ)
90.6"
Mag pri
3.24
Mag sec
12.48
delta mag (ΔM)
9.24
Spectral class
B9III (blue-white)
Pri motion ra
-003
Sec motion ra
+000
Pri motion dec
+001
Sec motion dec
+002
Notes
N (See Notes)
rPM=1
This double is not physical.
 
 
18589+3241 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Sulafat 67663 18589+3241 AGC 9 AB 1868 2014 13 305 13.5 3.24 12.10 8.86
Show 18589+3241 AGC 9 AC 1879 2002 6 21 178.2 3.24 10.60 7.36
Show 18589+3241 WAL 99 AD 1918 2002 4 152 90.6 3.24 12.48 9.24 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
151.9
Precise sep
90.557
Constellation
Lyra
last precise pa
151.9
last precise sep
90.557
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18589+3241 WAL 99 AD 1944 1 160 60.0 3.24 12.48 B9III 185856.62+324122.4
18589+3241 WAL 99 AD 1998 3 152 91.3 3.24 12.48 B9III 185856.62+324122.4
18589+3241 WAL 99 AD 2002 4 152 90.6 3.24 12.48 B9III N D 185856.62+324122.4

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