20146+3855 ES 2047 AB (HD 228519)

 
 
20h 14m 37.91s +38 55' 29.2" P.A. 174.00 sep 33.2 mag 9.48,11.23 Sp B0.5III
 
 
Coord 2000 20146+3855 Discov num ES 2047 Comp AB Coord arcsec 2000 20 14 37.91 +38 55 29.2
Date first 1923 Date last 2021 Obs 8
Pa first 175 Pa last 174.3 P.A. Now (θ) 174.3°
Sep first 32.1 Sep last 33.19 Sep. Now (ρ) 33.19"
Mag pri 9.48 Mag sec 11.23 delta mag (ΔM) 1.75 Spectral class B0.5III (blue-white)
Pri motion ra -002 Sec motion ra +009
Pri motion dec -004 Sec motion dec +019
Notes
rPM=1.213
This double is not physical.
 
 
20146+3855 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228519 69683 20 14 38 +38 55 29 ES 2047 AB 2021 8 174 33.2 9.48 11.23 1.75 <===
Show 69683 20 14 38 +38 55 29 ES 2047 AD 2015 8 103 10.6 9.50 14.00 4.50
Show 69683 20 14 38 +38 55 29 ES 2047 AE 2015 7 106 27.6 9.50 13.30 3.80
Show 20 14 38 +38 54 55 ES 2047 BC 2021 7 197 4.7 10.60 10.80 0.20
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228519 Constellation Cygnus SAO 69683 Tycho2 3151-01650-1
Gaia DR2 2062092035936730240 HD 228519 ADS 13579