19544+3918 SEI 721 AB (HD 226471)

 
 
19h 54m 24.36s +39 17' 18.0" P.A. 199.00 sep 6.2 mag 11.10,12.20 Sp A0
 
 
Coord 2000 19544+3918 Discov num SEI 721 Comp AB Coord arcsec 2000 19 54 24.36 +39 17 18.0
Date first 1896 Date last 2015 Obs 12
Pa first 225 Pa last 199 P.A. Now (θ) 199°
Sep first 14.4 Sep last 6.2 Sep. Now (ρ) 6.2"
Mag pri 11.10 Mag sec 12.20 delta mag (ΔM) 1.1 Spectral class A0 (white)
Pri motion ra +000 Sec motion ra +061
Pri motion dec -003 Sec motion dec +032
Notes N (See Notes)
rPM=1.021
This double is not physical.
 
 
19544+3918 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 226471 19 54 24 +39 17 18 SEI 721 AB 2015 12 199 6.2 11.10 12.20 1.10 <===
Show 19 54 24 +39 17 18 SEI 722 AC 2015 11 65 21.2 11.10 12.50 1.40
Show 19 54 24 +39 17 18 HJ 2909 AD 2015 12 246 30.6 11.10 12.40 1.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 226471 Constellation Cygnus Tycho2 3137-00703-1 Gaia DR2 2073383096956069248
HD 226471