20365+5557 VBS  30AB

 
 
20h 36m 26.51s +55 56' 41.3" P.A. 142 sep 4.6 mag 11.21,12.20
 
 
Coord 2000
20365+5557
Discov num
VBS  30
Comp
AB
Coord arcsec 2000
20 36 26.51 +55 56 41.3
Date first
1903
Date last
2018
Obs
8
Pa first
162
Pa last
142
P.A. Now (θ)
142°
Sep first
5.0
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
11.21
Mag sec
12.20
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
-008
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20365+5557 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20365+5557 VBS 30 AB 1903 2018 8 142 4.6 11.21 12.20 0.99 <===
Show 20365+5557 HJ 1556 AC 1903 2018 9 222 6.6 11.21 12.80 1.59
Show 20365+5557 VBS 30 AD 1903 2018 9 98 29.6 11.21 11.88 0.67
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141.6
Precise sep
4.628
Constellation
Cygnus
Tycho2
3954-00542-1
Gaia DR2
54378531968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20365+5557 VBS 30 AB 2003 6 144 4.5 11.21 12.20 D 203626.51+555641.3
20365+5557 VBS 30 AB 2015 7 142 4.6 11.21 12.20 203626.51+555641.3
20365+5557 VBS 30 AB 2018 8 142 4.6 11.21 12.20 203626.51+555641.3

If you need more information about this double, apply for a data request form to the WDS.