20125+5128 AC 17 AB (HD 192439)

 
 
20h 12m 31.73s +51 27' 49.0" P.A. 82.00 sep 4.4 mag 6.17,10.55 Sp K2.5III dist. 106.16 pc (346.29 l.y.)
 
 
Coord 2000 20125+5128 Discov num AC   17 Comp AB Coord arcsec 2000 20 12 31.73 +51 27 49.0
Date first 1859 Date last 2016 Obs 16
Pa first 80 Pa last 82.4 P.A. Now (θ) 82.4°
Sep first 3.9 Sep last 4.364 Sep. Now (ρ) 4.364"
Mag pri 6.17 Mag sec 10.55 delta mag (ΔM) 4.38 Spectral class K2.5III (yellow-orange)
Pri motion ra -013 Sec motion ra -015
Pri motion dec -016 Sec motion dec -015
Notes
rPM=0.105 (< 0.3, Physical double)
This double is physical.
 
 
20125+5128 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192439 32354 20 12 32 +51 27 49 AC 17 AB 2016 16 82 4.4 6.17 10.55 4.38 <===
Show 32354 20 12 32 +51 27 49 AC 17 AC 2015 5 9 84.8 6.17 12.63 6.46
Show 32354 20 12 32 +51 27 49 AC 17 AD 2015 5 80 75.1 6.17 12.80 6.63
Show 32354 20 12 32 +51 27 49 AC 17 AE 2015 8 148 130.4 6.17 10.78 4.61
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192439 Constellation Cygnus SAO 32354 HIP 99579
Tycho2 3571-02335-1 Gaia DR2 2088224614133708544 HD 192439 HR 7726
GC 28077 ADS 13535 BD BD+51 2796 Distance 106.16
Distance ly 346.29