21424+4105 ARY 129 AB,C (HD 206644)

 
 
21h 42m 22.94s +41° 04' 37.3" P.A. 132.00 sep 145.5 mag 6.30,7.80 Sp A0V dist. 126.42 pc (412.38 l.y.)
 
 
Coord 2000 21424+4105 Discov num ARY 129 Comp AB,C Coord arcsec 2000 21 42 22.94 +41 04 37.3
Date first 2017 Date last 2017 Obs 1
Pa first 132 Pa last 132.1 P.A. Now (θ) 132.1°
Sep first 145.5 Sep last 145.49 Sep. Now (ρ) 145.49"
Mag pri 6.30 Mag sec 7.80 delta mag (ΔM) 1.5 Spectral class A0V (white)
Pri motion ra +031 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21424+4105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 51207 21 42 23 +41 04 37 KUI 108 AB 2014 143 14 0.2 6.33 6.72 0.39 Y
Show HD 206644 51207 21 42 23 +41 04 37 ARY 129 AB,C 2017 1 132 145.5 6.30 7.80 1.50 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206644 Constellation Cygnus SAO 51207 HIP 107162
Tycho2 3188-01949-1 HD 206644 HR 8300 GC 30394
BD BD+40 4615 Distance 126.42 Distance ly 412.38