20099+5657 ES  132AB

 
 
20h 09m 51.36s +56 57' 13.6" P.A. 83 sep 5.5 mag 9.48,9.82 Sp F8+F8
 
 
Coord 2000
20099+5657
Discov num
ES  132
Comp
AB
Coord arcsec 2000
20 09 51.36 +56 57 13.6
Date first
1902
Date last
2010
Obs
37
Pa first
81
Pa last
83
P.A. Now (θ)
83°
Sep first
5.3
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
9.48
Mag sec
9.82
delta mag (ΔM)
0.34
Spectral class
F8+F8 (yellow-white/yellow-white)
Pri motion ra
+033
Sec motion ra
+030
Pri motion dec
+040
Sec motion dec
+040
Notes
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
20099+5657 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20099+5657 ES 132 AB 1902 2010 37 83 5.5 9.48 9.82 0.34 <===
Show 20099+5657 ES 132 AC 1902 2010 36 63 33.2 9.48 9.68 0.20
Show 20099+5657 ES 132 BC 1902 2010 29 59 28.1 9.82 9.68 0.14
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.8
Precise sep
5.5
Cdsa2 id
ES 132 AB
Constellation
Cygnus
Tycho2
3944-01820-1
HD
239339
Ra deg
20.164266666666666
De deg
56.95377777777778
last precise pa
82.8
last precise sep
5.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20099+5657 ES 132 AB 2008 29 82 5.4 9.48 9.82 F8 F8 D 200951.36+565713.6
20099+5657 ES 132 AB 2010 30 83 5.5 9.48 9.82 F8 F8 D 200951.36+565713.6

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