02140+4729 STF 228 (HD 13594)

02h 14m 02.43s +47° 29' 03.3" P.A. 314.00 sep 0.5 mag 6.56,7.21 Sp F2V+F7V dist. 39.59 pc (129.14 l.y.)

Coord 2000 02140+4729 Discov num STF 228 Comp Coord arcsec 2000 02 14 02.43 +47 29 03.3
Date first 1829 Date last 2021 Obs 363
Pa first 264 Pa last 314.1 P.A. Now (θ) 317.5°
Sep first 1.1 Sep last 0.532 Sep. Now (ρ) 0.497"
Mag pri 6.56 Mag sec 7.21 delta mag (ΔM) 0.65 Spectral class F2V+F7V (yellow-white/yellow-white)
Pri motion ra -077 Sec motion ra -077
Pri motion dec -053 Sec motion dec -053
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 13594 Constellation Andromeda SAO 37878 HIP 10403
Tycho2 3285-01624-1 Gaia DR2 354756945666297216 HD 13594 HR 647
GC 2668 ADS 1709 BD BD+46 536 Distance 39.59
Distance ly 129.14




ORBITAL ELEMENTS

Period (P)145.41y± 0.47 Periastron (T)1899.07y± 0.21 Semi-major axis (a)0.89a± 0.02
Eccentricity (e)0.2626± 0.0016 Inclination (i)63.75°± 0.17 Longitude of periastron (ω)322.66°± 0.6
Node (Ω)99.07°± 0.25 Notesn ReferencePru2017
Equinox2000 Last observation2015 Grade2(1=Definitive, 9=Indet.)

label theta rho
2000 282.6 1.009
2001 283.4 0.997
2002 284.3 0.985
2003 285.2 0.971
2004 286.1 0.956
2005 287.0 0.941
2006 287.9 0.924
2007 288.9 0.906
2008 290.0 0.887
2009 291.1 0.867
2010 292.2 0.846
2011 293.4 0.824
2012 294.7 0.800
2013 296.0 0.776
2014 297.5 0.751
2015 299.0 0.725
2016 300.7 0.699
2017 302.4 0.671
2018 304.4 0.643
2019 306.5 0.614
2020 308.8 0.585
2021 311.4 0.556
2022 314.3 0.526
2023 317.5 0.497
2024 321.1 0.468
2025 325.1 0.440
2026 329.8 0.413
2027 335.0 0.388
2028 340.9 0.366
2029 347.5 0.346
2030 354.8 0.331


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



 
 


wds02140%2B4729c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic