19083+2706 WAL 104AB,D

 
 
19h 08m 16.19s +27 05' 39.3" P.A. 18 sep 91.5 mag 7.55,11.10 Sp A0
 
 
Coord 2000
19083+2706
Discov num
WAL 104
Comp
AB,D
Coord arcsec 2000
19 08 16.19 +27 05 39.3
Date first
1944
Date last
2000
Obs
2
Pa first
20
Pa last
18
P.A. Now (θ)
18°
Sep first
90.0
Sep last
91.5
Sep. Now (ρ)
91.5"
Mag pri
7.55
Mag sec
11.10
delta mag (ΔM)
3.55
Spectral class
A0 (white)
Pri motion ra
-019
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19083+2706 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19083+2706 HO 98 AB 1886 2007 76 54 0.2 8.28 8.30 0.02 Y
Show 19083+2706 HO 98 AB,C 1893 2002 4 108 28.4 7.55 12.20 4.65
Show 19083+2706 WAL 104 AB,D 1944 2000 2 18 91.5 7.55 11.10 3.55 <===
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.8
Precise sep
91.5
Constellation
Lyra
last precise pa
17.8
last precise sep
91.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19083+2706 WAL 104 AB,D 2000 2 18 91.5 7.55 11.10 A0 D 190816.19+270539.3

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