20425+4916 ARG 39 BD

 
 
20h 42m 29.85s +49° 15' 45.7" P.A. 241.00 sep 21.1 mag 8.93,14.30 Sp K0
 
 
Coord 2000 20425+4916 Discov num ARG  39 Comp BD Coord arcsec 2000 20 42 29.85 +49 15 45.7
Date first 1907 Date last 2018 Obs 12
Pa first 232 Pa last 240.5 P.A. Now (θ) 240.5°
Sep first 33.5 Sep last 21.05 Sep. Now (ρ) 21.05"
Mag pri 8.93 Mag sec 14.30 delta mag (ΔM) 5.37 Spectral class K0 (yellow-orange)
Pri motion ra -080 Sec motion ra -006
Pri motion dec -101 Sec motion dec -001
Notes N (See Notes)
rPM=0.966
This double is not physical.
 
 
20425+4916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197548 49964 20 42 30 +49 15 59 ARG 39 AB 2018 76 184 15.4 8.42 8.93 0.51
Show 49964 20 42 30 +49 15 59 ARG 39 AF 2018 11 258 34.4 8.42 14.00 5.58
Show 49964 20 42 30 +49 15 59 ARG 39 AG 2018 11 341 52.4 8.42 13.64 5.22
Show 20 42 30 +49 15 46 ARG 39 BC 2018 15 100 35.4 8.93 13.32 4.39
Show 20 42 30 +49 15 46 ARG 39 BD 2018 12 241 21.1 8.93 14.30 5.37 <===
Show 20 42 30 +49 15 46 ARG 39 BE 2018 9 55 44.1 8.93 15.00 6.07
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3582-02133-1 Gaia DR2 2168221334959975424