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
Cdsa2 id
WAL 99 AD
Constellation
Lyra
Ra deg
18.98239444444444
De deg
32.68955555555555
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

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 18589+3241 WAL 99AD : NOTES
 
 
discov_num notes refcode
AGC 9 gam Lyr = 14 Lyr = Sulafat. Variable? Also known as STT 544.
AC. Smyth's quoted separation is difference in RA only. Smy1844
 
 
REFERENCES
 
 
refcode metd author reference
Smy1844 Ma - Smyth, W.H. 1844QB43.S66.......
Smy1844 Cycle of Celestial Objects 2, 1844
 
 
DISCOVERER
 
 
discov author
WAL Wallenquist, A.

 
 
WDS 18589+3241 WAL 99AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18589+3241 WAL 99AD : MEASURES
 
 
No records found.

 
 
WDS 18589+3241 WAL 99AD : Virtual Eyepiece
 
 

18589+3241  AGC   9 A 18589+3241  AGC   9AB sep 13.5 P.A. 305 mag 3.24,12.10 Sp B9III 18589+3241  AGC   9AC sep 178.2 P.A. 21 mag 3.24,10.60 Sp B9III 18589+3241  WAL  99AD sep 90.6 P.A. 152 mag 3.24,12.48 Sp B9III virtual eyepiece
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Radius:
 
 
WDS 18589+3241 WAL 99AD : Aladin DSS image @ 18h 58m 56.62s +32 41' 22.4"