20188+3507 BU 986 AB,C (HD 228849)

 
 
20h 18m 45.81s +35 06' 42.8" P.A. 240.00 sep 4.2 mag 8.57,11.00
 
 
Coord 2000 20188+3507 Discov num BU  986 Comp AB,C Coord arcsec 2000 20 18 45.81 +35 06 42.8
Date first 1880 Date last 2019 Obs 16
Pa first 242 Pa last 240.1 P.A. Now (θ) 240.1°
Sep first 4.4 Sep last 4.187 Sep. Now (ρ) 4.187"
Mag pri 8.57 Mag sec 11.00 delta mag (ΔM) 2.43 Spectral class
Pri motion ra -002 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20188+3507 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69809 20 18 46 +35 06 43 A 286 AB 2014 19 41 0.1 9.40 9.40 0.00
Show HD 228849 69809 20 18 46 +35 06 43 BU 986 AB,C 2019 16 240 4.2 8.57 11.00 2.43 <===
Show 69809 20 18 46 +35 06 43 FOX 253 AB,D 2019 9 341 46.6 8.57 11.41 2.84
Show 69809 20 18 46 +35 06 43 FYM 178 AB,E 2013 3 75 12.7 8.57 13.96 5.39
Show 69809 20 18 46 +35 06 43 FYM 178 AB,F 2013 3 289 27.8 8.57 14.02 5.45
Sextuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228849 Constellation Cygnus SAO 69809 Tycho2 2680-00908-1
Gaia DR2 2057121423049163136 HD 228849