19544+3918 HJ 2909 AD

 
 
19h 54m 24.36s +39 17' 18.0" P.A. 246.00 sep 30.6 mag 11.10,12.40 Sp A0
 
 
Coord 2000 19544+3918 Discov num HJ 2909 Comp AD Coord arcsec 2000 19 54 24.36 +39 17 18.0
Date first 1895 Date last 2015 Obs 12
Pa first 247 Pa last 246.1 P.A. Now (θ) 246.1°
Sep first 29.6 Sep last 30.555 Sep. Now (ρ) 30.555"
Mag pri 11.10 Mag sec 12.40 delta mag (ΔM) 1.3 Spectral class A0 (white)
Pri motion ra +000 Sec motion ra -007
Pri motion dec -003 Sec motion dec -003
Notes N (See Notes)
rPM=0.919
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
 
 
Constellation Cygnus Tycho2 3137-00703-1 Gaia DR2 2073383096956069248 HD 226471