20229+4259 HO 128 AB (NSV13053)

 
 
20h 22m 55.49s +42 59' 00.4" P.A. 357.00 sep 1.4 mag 6.41,8.82 Sp G8III dist. 102.99 pc (335.95 l.y.)
 
 
Coord 2000 20229+4259 Discov num HO  128 Comp AB Coord arcsec 2000 20 22 55.49 +42 59 00.4
Date first 1886 Date last 2016 Obs 37
Pa first 35 Pa last 357.1 P.A. Now (θ) 357.1°
Sep first 1.0 Sep last 1.383 Sep. Now (ρ) 1.383"
Mag pri 6.41 Mag sec 8.82 delta mag (ΔM) 2.41 Spectral class G8III (yellow)
Pri motion ra +055 Sec motion ra +055
Pri motion dec +039 Sec motion dec +039
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
20229+4259 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show NSV13053 49550 20 22 55 +42 59 00 HO 128 AB 2016 37 357 1.4 6.41 8.82 2.41 Y <===
Show 49550 20 22 55 +42 59 00 STTA 207 AC 2017 30 65 85.8 6.41 8.01 1.60
Show 49555 20 23 03 +42 59 38 STTA 207 CD 2015 9 162 56.1 8.01 14.43 6.42
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV13053 Constellation Cygnus SAO 49550 HIP 100515
Tycho2 3160-01936-1 Gaia DR2 2069136233279278720 HD 194220 HR 7802
GC 28364 ADS 13786 BD BD+42 3721 Distance 102.99
Distance ly 335.95
 
 
ORBITAL ELEMENTS
 
 
Period (P)1027.9807y± 507.5142 Periastron (T)2080.6251y± 32.5694 Semi-major axis (a)2.6928a± 1.91925
Eccentricity (e)0.70717± 0.24844 Inclination (i)103.488°± 8.825 Longitude of periastron (ω)248.513°± 20.476
Node (Ω)167.665°± 5.068 Notesn ReferenceIzm2019
Equinox Last observation2013 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 1.0 1.362
2001 0.7 1.362
2002 0.5 1.361
2003 0.3 1.361
2004 0.1 1.361
2005 359.8 1.360
2006 359.6 1.359
2007 359.4 1.358
2008 359.1 1.357
2009 358.9 1.356
2010 358.7 1.355
2011 358.5 1.353
2012 358.2 1.352
2013 358.0 1.350
2014 357.8 1.348
2015 357.5 1.345
2016 357.3 1.343
2017 357.1 1.340
2018 356.8 1.337
2019 356.6 1.334
2020 356.4 1.331
2021 356.1 1.327
2022 355.9 1.324
2023 355.7 1.320
2024 355.4 1.315
2025 355.2 1.311
2026 354.9 1.306
2027 354.7 1.301
2028 354.4 1.296
2029 354.2 1.290
2030 353.9 1.284


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds20229%2B4259a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic