18589+3241 AGC   9AC

 
 
18h 58m 56.62s +32 41' 22.4" P.A. 21 sep 178.2 mag 3.24,10.60 Sp B9III
 
 
Coord 2000
18589+3241
Discov num
AGC   9
Comp
AC
Coord arcsec 2000
18 58 56.62 +32 41 22.4
Date first
1879
Date last
2002
Obs
6
Pa first
21
Pa last
21
P.A. Now (θ)
21°
Sep first
119.4
Sep last
178.2
Sep. Now (ρ)
178.2"
Mag pri
3.24
Mag sec
10.60
delta mag (ΔM)
7.36
Spectral class
B9III (blue-white)
Pri motion ra
-003
Sec motion ra
-004
Pri motion dec
+001
Sec motion dec
+006
Notes
N (See Notes)
rPM=0.707
Nature of this double is uncertain.
 
 
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
20.5
Precise sep
178.231
Constellation
Lyra
last precise pa
20.5
last precise sep
178.231
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18589+3241 AGC 9 AC 1998 5 21 177.4 3.24 10.60 B9III N D 185856.62+324122.4
18589+3241 AGC 9 AC 2002 6 21 178.2 3.24 10.60 B9III N D 185856.62+324122.4

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