20008+2949 BU 439 AB

 
 
20h 00m 46.25s +29 49' 19.4" P.A. 222.00 sep 3.3 mag 7.89,12.70 Sp G0V
 
 
Coord 2000 20008+2949 Discov num BU  439 Comp AB Coord arcsec 2000 20 00 46.25 +29 49 19.4
Date first 1876 Date last 2016 Obs 18
Pa first 250 Pa last 221.9 P.A. Now (θ) 221.9°
Sep first 2.7 Sep last 3.332 Sep. Now (ρ) 3.332"
Mag pri 7.89 Mag sec 12.70 delta mag (ΔM) 4.81 Spectral class G0V (yellow)
Pri motion ra +016 Sec motion ra
Pri motion dec -115 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20008+2949 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 88066 20 00 46 +29 49 19 BU 439 AB 2016 18 222 3.3 7.89 12.70 4.81 <===
Show HD 189796 88066 20 00 46 +29 49 19 BU 439 AC 2015 8 201 38.5 7.89 12.25 4.36
Show 88066 20 00 46 +29 49 19 FOX 9033 AD 2015 3 51 11.5 7.89 12.00 4.11
Show 88066 20 00 46 +29 49 19 FOX 9033 AE 2002 3 122 23.2 7.89 14.40 6.51
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 88066 Tycho2 2153-02502-1 Gaia DR2 2030169713022898048
HD 189796 ADS 13251