21479+3306 OSO 157 AD

 
 
21h 47m 55.62s +33° 06' 27.2" P.A. 29.00 sep 13.9 mag 12.08,18.28
 
 
Coord 2000 21479+3306 Discov num OSO 157 Comp AD Coord arcsec 2000 21 47 55.62 +33 06 27.2
Date first 1994 Date last 2014 Obs 15
Pa first 43 Pa last 28.9 P.A. Now (θ) 28.9°
Sep first 16.1 Sep last 13.885 Sep. Now (ρ) 13.885"
Mag pri 12.08 Mag sec 18.28 delta mag (ΔM) 6.2 Spectral class
Pri motion ra +251 Sec motion ra
Pri motion dec -113 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21479+3306 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 47 56 +33 06 27 OSO 157 AB 2016 13 352 5.3 12.08 17.82 5.74
Show 21 47 56 +33 06 27 OSO 157 AC 2014 17 72 11.6 12.08 17.60 5.52
Show 21 47 56 +33 06 27 OSO 157 AD 2014 15 29 13.9 12.08 18.28 6.20 <===
Show 21 47 56 +33 06 27 OSO 157 AE 2014 16 322 21.6 12.08 18.47 6.39
Show 21 47 56 +33 06 27 OSO 157 AF 2013 4 123 16.2 12.08 19.10 7.02
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2722-01470-1 Gaia DR2 1946513435207273088