20335+4703 A 738 AB

 
 
20h 33m 30.77s +47 02' 58.0" P.A. 249.00 sep 2.4 mag 9.26,11.04 Sp B
 
 
Coord 2000 20335+4703 Discov num A   738 Comp AB Coord arcsec 2000 20 33 30.77 +47 02 58.0
Date first 1904 Date last 2002 Obs 9
Pa first 251 Pa last 249.4 P.A. Now (θ) 249.4°
Sep first 2.3 Sep last 2.44 Sep. Now (ρ) 2.44"
Mag pri 9.26 Mag sec 11.04 delta mag (ΔM) 1.78 Spectral class B (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20335+4703 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 33 31 +47 02 58 A 738 AB 2002 9 249 2.4 9.26 11.04 1.78 <===
Show 20 33 31 +47 02 58 HJ 1541 AC 2015 20 266 6.3 9.26 10.48 1.22
Show 20 33 31 +47 02 58 SS 9 AD 2015 4 198 18.0 9.26 15.80 6.54
Show 20 33 31 +47 02 58 SS 9 AE 2015 5 54 20.7 9.26 14.40 5.14
Show 20 33 31 +47 02 58 SS 9 AF 2015 5 117 26.0 9.26 13.10 3.84
Show 20 33 31 +47 02 58 SS 9 AG 2015 5 176 27.6 9.26 15.10 5.84
Show 20 33 31 +47 02 58 SS 9 AH 2015 5 15 29.2 9.26 14.00 4.74
Show 20 33 31 +47 02 57 HJ 1541 BC 2002 8 276 4.0 11.04 10.48 0.56
Octuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3577-02725-1 Gaia DR2 2071586112684243328