20598+4731 STF 2743 AD

 
 
20h 59m 49.55s +47° 31' 15.4" P.A. 222.00 sep 39.3 mag 4.74,11.20 Sp B1ne dist. 434.78 pc (1418.25 l.y.)
 
 
Coord 2000 20598+4731 Discov num STF2743 Comp AD Coord arcsec 2000 20 59 49.55 +47 31 15.4
Date first 1899 Date last 2012 Obs 5
Pa first 222 Pa last 221.5 P.A. Now (θ) 221.5°
Sep first 38.8 Sep last 39.3 Sep. Now (ρ) 39.3"
Mag pri 4.74 Mag sec 11.20 delta mag (ΔM) 6.46 Spectral class B1ne (blue-white)
Pri motion ra +007 Sec motion ra -006
Pri motion dec +003 Sec motion dec -002
Notes N (See Notes)
rPM=1.829
This double is not physical.
 
 
20598+4731 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50335 20 59 50 +47 31 15 MCA 65 Aa,Ab 2015 29 334 0.1 4.80 7.64 2.84 Y
Show 59 Cyg 50335 20 59 50 +47 31 15 STF 2743 AB 2012 33 353 21.0 4.74 9.43 4.69
Show 50335 20 59 50 +47 31 15 STF 2743 AC 2012 18 140 26.5 4.74 11.62 6.88
Show 50335 20 59 50 +47 31 15 STF 2743 AD 2012 5 222 39.3 4.74 11.20 6.46 <===
Show 50335 20 59 50 +47 31 15 STF 2743 AE 2003 5 59 70.6 4.74 12.02 7.28
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V832 Cyg Constellation Cygnus SAO 50335 HIP 103632
Tycho2 3579-04461-1 Gaia DR2 2163949388695291136 HD 200120 HR 8047
GC 29327 ADS 14526 BD BD+46 3133 Flamsteed 59 Cygni
Flamsteed name 59 Cyg FK5 1551 Distance 434.78 Distance ly 1418.25