20123+3205 STF 2649 AD

 
 
20h 12m 18.61s +32° 04' 51.8" P.A. 36.00 sep 175.9 mag 7.86,10.63 Sp A2
 
 
Coord 2000 20123+3205 Discov num STF2649 Comp AD Coord arcsec 2000 20 12 18.61 +32 04 51.8
Date first 1893 Date last 2018 Obs 15
Pa first 38 Pa last 36.1 P.A. Now (θ) 36.1°
Sep first 175.4 Sep last 175.89 Sep. Now (ρ) 175.89"
Mag pri 7.86 Mag sec 10.63 delta mag (ΔM) 2.77 Spectral class A2 (white)
Pri motion ra +016 Sec motion ra +001
Pri motion dec -022 Sec motion dec +004
Notes N (See Notes)
rPM=1.103
This double is not physical.
 
 
20123+3205 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192165 69594 20 12 19 +32 04 52 STF 2649 AB 2018 47 151 21.6 7.86 9.85 1.99
Show 69594 20 12 19 +32 04 52 STF 2649 AC 2018 18 284 131.0 7.86 11.41 3.55
Show 69594 20 12 19 +32 04 52 STF 2649 AD 2018 15 36 175.9 7.86 10.63 2.77 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69594 Tycho2 2675-03232-1 Gaia DR2 2054157380217733120
HD 331985