20403+5413 OSO 129 AB

 
 
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 10.78 Sep. Now (ρ) 10.78"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 40 17 +54 13 12 OSO 129 AB 1999 2 141 10.8 11.43 18.50 7.07 <===
Show 20 40 17 +54 13 12 OSO 129 AC 1999 2 115 17.1 11.43 18.20 6.77
Show 20 40 17 +54 13 12 OSO 129 AD 1999 2 143 19.9 11.43 18.00 6.57
Show 20 40 17 +54 13 12 OSO 129 AE 1999 2 70 19.7 11.43 17.60 6.17
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3951-00089-1 Gaia DR2 2183340302735382016