20493+3923 SEI 1263 AB

 
 
20h 49m 19.21s +39° 23' 11.3" P.A. 98.00 sep 23.6 mag 11.48,11.56
 
 
Coord 2000 20493+3923 Discov num SEI1263 Comp AB Coord arcsec 2000 20 49 19.21 +39 23 11.3
Date first 1892 Date last 2015 Obs 10
Pa first 102 Pa last 97.5 P.A. Now (θ) 97.5°
Sep first 20.8 Sep last 23.61 Sep. Now (ρ) 23.61"
Mag pri 11.48 Mag sec 11.56 delta mag (ΔM) 0.08 Spectral class
Pri motion ra +008 Sec motion ra +028
Pri motion dec +005 Sec motion dec +008
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.694
This double is not physical.
 
 
20493+3923 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 49 19 +39 23 11 SEI 1263 AB 2015 10 98 23.6 11.48 11.56 0.08 <===
Show 20 49 21 +39 23 08 ALI 952 BC 2002 3 50 4.9 11.60 12.50 0.90
Show 20 49 21 +39 23 08 DAM 26 BD 2015 3 53 9.5 11.60 12.40 0.80
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3170-00055-1 Gaia DR2 2064954756200927488