21023+3931 WRD 4 ED

 
 
21h 02m 29.25s +39° 30' 38.3" P.A. 230.00 sep 77.7 mag 10.88,12.61
 
 
Coord 2000 21023+3931 Discov num WRD   4 Comp ED Coord arcsec 2000 21 02 29.25 +39 30 38.3
Date first 2000 Date last 2015 Obs 7
Pa first 230 Pa last 230.1 P.A. Now (θ) 230.1°
Sep first 77.6 Sep last 77.728 Sep. Now (ρ) 77.728"
Mag pri 10.88 Mag sec 12.61 delta mag (ΔM) 1.73 Spectral class
Pri motion ra -003 Sec motion ra -008
Pri motion dec -006 Sec motion dec -010
Notes N (See Notes)
rPM=0.5
Nature of this double is uncertain.
 
 
21023+3931 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 200465 70818 21 02 21 +39 30 32 H 4 113 AB 2018 37 299 18.9 6.62 9.49 2.87
Show 70818 21 02 21 +39 30 32 H 4 113 AC 2012 10 248 26.7 6.62 12.50 5.88
Show 70818 21 02 21 +39 30 32 SMY 6 AD 2015 8 141 57.0 6.62 12.61 5.99
Show 70818 21 02 21 +39 30 32 SMY 6 AE 2018 10 87 95.7 6.62 10.88 4.26
Show 70818 21 02 21 +39 30 32 WRD 4 AF 2015 5 223 101.8 6.62 12.45 5.83
Show 70818 21 02 21 +39 30 32 WRD 4 AG 1875 1 230 95.0 6.62 13.50 6.88
Show 70818 21 02 21 +39 30 32 FYM 114 AI 2012 3 277 41.1 6.62 15.20 8.58
Show 21 02 29 +39 30 38 WRD 4 ED 2015 7 230 77.7 10.88 12.61 1.73 <===
Show 21 02 29 +39 30 38 WRD 4 EH 2015 9 159 37.4 10.88 12.84 1.96
Ninefold system
9 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-00265-1 Gaia DR2 1872982736105457408