20400+5515 VBS 31 AC

 
 
20h 39m 58.19s +55° 14' 59.7" P.A. 13.00 sep 45.6 mag 8.69,12.24 Sp F8
 
 
Coord 2000 20400+5515 Discov num VBS  31 Comp AC Coord arcsec 2000 20 39 58.19 +55 14 59.7
Date first 1908 Date last 2015 Obs 7
Pa first 16 Pa last 13.1 P.A. Now (θ) 13.1°
Sep first 48.3 Sep last 45.597 Sep. Now (ρ) 45.597"
Mag pri 8.69 Mag sec 12.24 delta mag (ΔM) 3.55 Spectral class F8 (yellow-white)
Pri motion ra +017 Sec motion ra +000
Pri motion dec +012 Sec motion dec -003
Notes
rPM=1.09
This double is not physical.
 
 
20400+5515 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197225 32781 20 39 58 +55 14 60 HJ 1562 AB 2016 14 167 21.7 8.69 10.59 1.90
Show 32781 20 39 58 +55 14 60 VBS 31 AC 2015 7 13 45.6 8.69 12.24 3.55 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32781 Tycho2 3954-00241-1 Gaia DR2 2183594534732939264
HD 197225