20131+3209 SEI 1008 AB (HD 331989)

 
 
20h 13m 01.20s +32 08' 34.9" P.A. 73.00 sep 20.4 mag 10.62,10.82
 
 
Coord 2000 20131+3209 Discov num SEI1008 Comp AB Coord arcsec 2000 20 13 01.20 +32 08 34.9
Date first 1893 Date last 2015 Obs 9
Pa first 83 Pa last 72.5 P.A. Now (θ) 72.5°
Sep first 20.6 Sep last 20.402 Sep. Now (ρ) 20.402"
Mag pri 10.62 Mag sec 10.82 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +021 Sec motion ra +010
Pri motion dec -018 Sec motion dec +010
Notes
rPM=1.088
This double is not physical.
 
 
20131+3209 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 13 01 +32 08 35 TDT 2096 Aa,Ab 2015 2 13 1.3 10.62 11.18 0.56
Show HD 331989 20 13 01 +32 08 35 SEI 1008 AB 2015 9 73 20.4 10.62 10.82 0.20 <===
Show 20 13 03 +32 08 40 FYM 76 BD 2015 9 45 16.7 10.98 12.76 1.78
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 331989 Constellation Cygnus Tycho2 2675-02309-1 Gaia DR2 2054158372361105152
HD 331989