20289+5655 STI 2535 AB (HD 239426)

 
 
20h 28m 52.84s +56° 55' 23.0" P.A. 227.00 sep 13.6 mag 9.73,10.57 Sp K0
 
 
Coord 2000 20289+5655 Discov num STI2535 Comp AB Coord arcsec 2000 20 28 52.84 +56 55 23.0
Date first 1899 Date last 2016 Obs 16
Pa first 229 Pa last 227 P.A. Now (θ) 227°
Sep first 13.4 Sep last 13.612 Sep. Now (ρ) 13.612"
Mag pri 9.73 Mag sec 10.57 delta mag (ΔM) 0.84 Spectral class K0 (yellow-orange)
Pri motion ra +023 Sec motion ra +022
Pri motion dec +038 Sec motion dec +037
Notes T (Parallax indicates physical)
rPM=0.032 (< 0.3, Physical double)
This double is physical.
 
 
20289+5655 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 239426 32618 20 28 53 +56 55 23 STI 2535 AB 2016 16 227 13.6 9.73 10.57 0.84 <===
Show 32618 20 28 53 +56 55 23 TOB 187 AC 2015 13 132 26.9 9.73 11.34 1.61
Show 32618 20 28 53 +56 55 23 TOB 187 AD 2015 10 189 31.2 9.73 11.80 2.07
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 239426 Constellation Cygnus SAO 32618 Tycho2 3958-00952-1
Gaia DR2 2187035044058553728 HD 239426