20330+3144 ES 365 AB

 
 
20h 33m 02.60s +31 44' 08.3" P.A. 263.00 sep 25.7 mag 8.48,11.80 Sp K2 dist. 436.68 pc (1424.45 l.y.)
 
 
Coord 2000 20330+3144 Discov num ES  365 Comp AB Coord arcsec 2000 20 33 02.60 +31 44 08.3
Date first 1901 Date last 2015 Obs 12
Pa first 263 Pa last 263.3 P.A. Now (θ) 263.3°
Sep first 24.9 Sep last 25.681 Sep. Now (ρ) 25.681"
Mag pri 8.48 Mag sec 11.80 delta mag (ΔM) 3.32 Spectral class K2 (yellow-orange)
Pri motion ra +004 Sec motion ra +008
Pri motion dec -003 Sec motion dec +000
Notes
rPM=0.625
Nature of this double is uncertain.
 
 
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 HIP 101404 Tycho2 2686-00827-1 Gaia DR2 1863376204247200384
ADS 13995 BD BD+31 4125 Distance 436.68 Distance ly 1424.45