20167+2932 OSO 121 AC

 
 
20h 16m 38.62s +29 31' 50.3" P.A. 283.00 sep 15.2 mag 11.39,18.60 Sp K0
 
 
Coord 2000 20167+2932 Discov num OSO 121 Comp AC Coord arcsec 2000 20 16 38.62 +29 31 50.3
Date first 1994 Date last 1998 Obs 3
Pa first 288 Pa last 283.4 P.A. Now (θ) 283.4°
Sep first 14.8 Sep last 15.23 Sep. Now (ρ) 15.23"
Mag pri 11.39 Mag sec 18.60 delta mag (ΔM) 7.21 Spectral class K0 (yellow-orange)
Pri motion ra +248 Sec motion ra
Pri motion dec +135 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20167+2932 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 16 39 +29 31 50 OSO 121 AB 1998 4 165 13.2 11.39 16.90 5.51
Show 20 16 39 +29 31 50 OSO 121 AC 1998 3 283 15.2 11.39 18.60 7.21 <===
Show 20 16 39 +29 31 50 OSO 121 AD 1998 2 190 18.9 11.39 19.30 7.91
Show 20 16 39 +29 31 50 OSO 121 AE 1998 2 259 25.2 11.39 19.40 8.01
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2167-01103-1 Gaia DR2 1837393679329053952