20403+5413 OSO 129AB

 
 
20h 40m 16.69s +54 13' 11.7" P.A. 141.00 sep 10.8 mag 11.43,18.50 Sp K2
 
 
Coord 2000
20403+5413
Discov num
OSO 129
Comp
AB
Coord arcsec 2000
20 40 16.69 +54 13 11.7
Date first
1994
Date last
1999
Obs
2
Pa first
133
Pa last
141
P.A. Now (θ)
141°
Sep first
9.9
Sep last
10.8
Sep. Now (ρ)
10.8"
Mag pri
11.43
Mag sec
18.50
delta mag (ΔM)
7.07
Spectral class
K2 (yellow-orange)
Pri motion ra
+063
Sec motion ra
Pri motion dec
+261
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20403+5413 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32787 20403+5413 OSO 129 AB 1994 1999 2 141 10.8 11.43 18.50 7.07 <===
Show 32787 20403+5413 OSO 129 AC 1994 1999 2 115 17.1 11.43 18.20 6.77
Show 32787 20403+5413 OSO 129 AD 1994 1999 2 143 19.9 11.43 18.00 6.57
Show 32787 20403+5413 OSO 129 AE 1994 1999 2 70 19.7 11.43 17.60 6.17
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141
Precise sep
10.78
Constellation
Cygnus
SAO
32787
Tycho2
3951-00089-1
Gaia DR2
02735382016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20403+5413 OSO 129 AB 1999 2 141 10.8 11.43 18.50 N D 204016.69+541311.7

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