20365+5557 VBS  30AD

 
 
20h 36m 26.51s +55 56' 41.3" P.A. 98 sep 29.6 mag 11.21,11.88
 
 
Coord 2000
20365+5557
Discov num
VBS  30
Comp
AD
Coord arcsec 2000
20 36 26.51 +55 56 41.3
Date first
1903
Date last
2018
Obs
9
Pa first
104
Pa last
98
P.A. Now (θ)
98°
Sep first
27.3
Sep last
29.6
Sep. Now (ρ)
29.6"
Mag pri
11.21
Mag sec
11.88
delta mag (ΔM)
0.67
Spectral class
Pri motion ra
-008
Sec motion ra
+017
Pri motion dec
-007
Sec motion dec
+017
Notes
rPM=1.441
This double is not physical.
 
 
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
97.5
Precise sep
29.56
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 AD 1999 6 98 29.2 11.21 11.88 D 203626.51+555641.3
20365+5557 VBS 30 AD 2003 7 98 29.2 11.21 11.88 D 203626.51+555641.3
20365+5557 VBS 30 AD 2015 8 97 29.5 11.21 11.88 203626.51+555641.3
20365+5557 VBS 30 AD 2018 9 98 29.6 11.21 11.88 203626.51+555641.3

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