20047+4938 KU 58 AB

 
 
20h 04m 40.14s +49 38' 30.6" P.A. 186.00 sep 2.7 mag 10.23,10.41 Sp A2
 
 
Coord 2000 20047+4938 Discov num KU   58 Comp AB Coord arcsec 2000 20 04 40.14 +49 38 30.6
Date first 1901 Date last 2020 Obs 19
Pa first 187 Pa last 186.1 P.A. Now (θ) 186.1°
Sep first 2.9 Sep last 2.73 Sep. Now (ρ) 2.73"
Mag pri 10.23 Mag sec 10.41 delta mag (ΔM) 0.18 Spectral class A2 (white)
Pri motion ra +013 Sec motion ra +007
Pri motion dec +024 Sec motion dec -016
Notes
rPM=1.482
This double is not physical.
 
 
20047+4938 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 04 40 +49 38 31 KU 58 AB 2020 19 186 2.7 10.23 10.41 0.18 <===
Show 20 04 40 +49 38 28 ES 2688 BC 2015 5 169 15.4 10.41 15.10 4.69
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3567-00721-1 Gaia DR2 2087754985228429952