20136+5307 STF 2658 AB (HD 192679)

 
 
20h 13m 40.74s +53° 07' 30.3" P.A. 106.00 sep 5.2 mag 7.19,9.38 Sp F5V dist. 44.33 pc (144.6 l.y.)
 
 
Coord 2000 20136+5307 Discov num STF2658 Comp AB Coord arcsec 2000 20 13 40.74 +53 07 30.3
Date first 1828 Date last 2020 Obs 85
Pa first 127 Pa last 105.6 P.A. Now (θ) 105.6°
Sep first 4.8 Sep last 5.21 Sep. Now (ρ) 5.21"
Mag pri 7.19 Mag sec 9.38 delta mag (ΔM) 2.19 Spectral class F5V (yellow-white)
Pri motion ra +043 Sec motion ra +043
Pri motion dec +169 Sec motion dec +169
Notes N O T (See Notes, Orbital solution, Parallax indicates physical)
This double is physical.
 
 
20136+5307 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192679 32380 20 13 41 +53 07 30 STF 2658 AB 2020 85 106 5.2 7.19 9.38 2.19 Y <===
Show 32380 20 13 41 +53 07 30 STF 2658 AC 2015 54 206 65.1 7.19 10.33 3.14
Show 32380 20 13 41 +53 07 30 STF 2658 AD 2015 9 284 30.9 7.19 12.90 5.71
Show 20 13 41 +53 07 29 STF 2658 BC 2012 27 208 65.5 9.38 10.33 0.95
Show 20 13 41 +53 07 29 STF 2658 BF 2015 4 157 17.7 9.38 14.60 5.22
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192679 Constellation Cygnus SAO 32380 HIP 99680
Tycho2 3937-01789-1 Gaia DR2 2184643400111529984 HD 192679 GC 28114
ADS 13560 BD BD+52 2657 Distance 44.33 Distance ly 144.6
 
 
ORBITAL ELEMENTS
 
 
Period (P)5631.8534y± 2848.8471 Periastron (T)2806.1927y± 1326.8949 Semi-major axis (a)19.14603a± 9.30623
Eccentricity (e)0.83512± 0.14259 Inclination (i)102.938°± 7.874 Longitude of periastron (ω)67.495°± 33.772
Node (Ω)44.121°± 32.92 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 107.9 5.359
2001 107.8 5.360
2002 107.7 5.360
2003 107.6 5.361
2004 107.5 5.361
2005 107.4 5.362
2006 107.3 5.362
2007 107.2 5.363
2008 107.1 5.363
2009 107.0 5.364
2010 106.9 5.365
2011 106.8 5.365
2012 106.7 5.366
2013 106.6 5.366
2014 106.5 5.367
2015 106.4 5.368
2016 106.3 5.368
2017 106.2 5.369
2018 106.1 5.370
2019 106.0 5.370
2020 105.9 5.371
2021 105.8 5.372
2022 105.7 5.373
2023 105.6 5.373
2024 105.5 5.374
2025 105.4 5.375
2026 105.3 5.376
2027 105.2 5.376
2028 105.1 5.377
2029 105.0 5.378
2030 104.9 5.379


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



 
 


wds20136%2B5307a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic