20127+2430 POU 4273 AB (HD 339840)

 
 
20h 12m 41.08s +24 30' 26.6" P.A. 234.00 sep 8.0 mag 10.95,12.16
 
 
Coord 2000 20127+2430 Discov num POU4273 Comp AB Coord arcsec 2000 20 12 41.08 +24 30 26.6
Date first 1892 Date last 2016 Obs 12
Pa first 234 Pa last 233.8 P.A. Now (θ) 233.8°
Sep first 7.8 Sep last 7.987 Sep. Now (ρ) 7.987"
Mag pri 10.95 Mag sec 12.16 delta mag (ΔM) 1.21 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec +000 Sec motion dec +001
Notes
rPM=0.243 (< 0.3, Physical double)
This double is physical.
 
 
20127+2430 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 339840 20 12 41 +24 30 27 POU 4273 AB 2016 12 234 8.0 10.95 12.16 1.21 <===
Show 20 12 41 +24 30 27 POU 4274 AC 2015 9 9 13.4 10.95 13.91 2.96
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 339840 Constellation Vulpecula Tycho2 2158-00369-1 Gaia DR2 1833699148464421376
HD 339840