20330+3144 ES 365 AC

 
 
20h 33m 02.60s +31 44' 08.3" P.A. 319.00 sep 33.6 mag 8.48,11.67 Sp K2
 
 
Coord 2000 20330+3144 Discov num ES  365 Comp AC Coord arcsec 2000 20 33 02.60 +31 44 08.3
Date first 1901 Date last 2015 Obs 8
Pa first 319 Pa last 319 P.A. Now (θ) 319°
Sep first 33.9 Sep last 33.592 Sep. Now (ρ) 33.592"
Mag pri 8.48 Mag sec 11.67 delta mag (ΔM) 3.19 Spectral class K2 (yellow-orange)
Pri motion ra +004 Sec motion ra +060
Pri motion dec -003 Sec motion dec -017
Notes
rPM=0.926
This double is not physical.
 
 
20330+3144 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 33 03 +31 44 08 ES 365 AB 2015 12 263 25.7 8.48 11.80 3.32
Show 20 33 03 +31 44 08 ES 365 AC 2015 8 319 33.6 8.48 11.67 3.19 <===
Show 20 33 01 +31 44 34 ES 365 CD 2015 4 283 2.7 11.20 12.40 1.20
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2686-00827-1 Gaia DR2 1863376204247200384 DM BD+31 4125