20169+3307 OSO 122 AC

 
 
20h 16m 53.68s +33 06' 31.1" P.A. 271.00 sep 20.9 mag 9.34,17.21 Sp G0 dist. 77.52 pc (252.87 l.y.)
 
 
Coord 2000 20169+3307 Discov num OSO 122 Comp AC Coord arcsec 2000 20 16 53.68 +33 06 31.1
Date first 1994 Date last 2002 Obs 3
Pa first 266 Pa last 270.7 P.A. Now (θ) 270.7°
Sep first 21.8 Sep last 20.881 Sep. Now (ρ) 20.881"
Mag pri 9.34 Mag sec 17.21 delta mag (ΔM) 7.87 Spectral class G0 (yellow)
Pri motion ra -129 Sec motion ra
Pri motion dec -259 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20169+3307 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69746 20 16 54 +33 06 31 OSO 122 AB 1994 1 11 16.2 9.34 17.30 7.96
Show 69746 20 16 54 +33 06 31 OSO 122 AC 2002 3 271 20.9 9.34 17.21 7.87 <===
Show 69746 20 16 54 +33 06 31 OSO 122 AD 1999 2 117 22.5 9.34 17.97 8.63
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69746 HIP 99963 Tycho2 2676-00203-1
Gaia DR2 2054613574467015424 HD 228710 BD BD+32 3767 Distance 77.52
Distance ly 252.87