20007+3232 ES 2430 AB (HD 331657)

 
 
20h 00m 43.23s +32 31' 34.7" P.A. 265.00 sep 6.5 mag 9.74,12.20 Sp B9
 
 
Coord 2000 20007+3232 Discov num ES 2430 Comp AB Coord arcsec 2000 20 00 43.23 +32 31 34.7
Date first 1930 Date last 2019 Obs 9
Pa first 271 Pa last 265.2 P.A. Now (θ) 265.2°
Sep first 5.6 Sep last 6.54 Sep. Now (ρ) 6.54"
Mag pri 9.74 Mag sec 12.20 delta mag (ΔM) 2.46 Spectral class B9 (blue-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20007+3232 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 331657 20 00 43 +32 31 35 ES 2430 AB 2019 9 265 6.5 9.74 12.20 2.46 <===
Show 20 00 43 +32 31 35 ES 2430 AC 2019 6 39 17.1 9.74 12.00 2.26
Show 20 00 44 +32 31 48 DAM 313 CD 2018 4 298 3.8 12.00 12.00 0.00
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 331657 Constellation Cygnus Tycho2 2674-03573-1 Gaia DR2 2034106720557603840
HD 331657