20099+5657 ES 132 AB (HD 239339)

20h 09m 51.36s +56° 57' 13.6" P.A. 82.00 sep 5.4 mag 9.48,9.82 Sp F8+F8

Coord 2000 20099+5657 Discov num ES  132 Comp AB Coord arcsec 2000 20 09 51.36 +56 57 13.6
Date first 1902 Date last 2018 Obs 44
Pa first 81 Pa last 82.4 P.A. Now (θ) 82.4°
Sep first 5.3 Sep last 5.437 Sep. Now (ρ) 5.437"
Mag pri 9.48 Mag sec 9.82 delta mag (ΔM) 0.34 Spectral class F8+F8 (yellow-white/yellow-white)
Pri motion ra +030 Sec motion ra +027
Pri motion dec +039 Sec motion dec +037
Notes V (Proper motion indicates physical)




rPM=0.073 (< 0.3, Physical double)

This double is physical.



20099+5657 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 239339 20 09 51 +56 57 14 ES 132 AB 2018 44 82 5.4 9.48 9.82 0.34 <===
Show 32330 20 09 51 +56 57 14 ES 132 AC 2018 42 63 32.7 9.48 9.68 0.20
Show 32330 20 09 52 +56 57 14 ES 132 BC 2018 34 59 27.6 9.82 9.68 0.14


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 239339 Constellation Cygnus Tycho2 3944-01820-1 Gaia DR2 2186461236426316032
HD 239339