02470+5007 ARG 9 (HD 17159)

 
 
02h 47m 00.22s +50° 07' 27.7" P.A. 152.00 sep 2.6 mag 8.86,9.05 Sp F8 dist. 78.62 pc (256.46 l.y.)
 
 
Coord 2000 02470+5007 Discov num ARG   9 Comp Coord arcsec 2000 02 47 00.22 +50 07 27.7
Date first 1900 Date last 2018 Obs 40
Pa first 143 Pa last 151.5 P.A. Now (θ) 151.5°
Sep first 3.2 Sep last 2.556 Sep. Now (ρ) 2.556"
Mag pri 8.86 Mag sec 9.05 delta mag (ΔM) 0.19 Spectral class F8 (yellow-white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec +003 Sec motion dec +003
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17159 Constellation Perseus SAO 38322 HIP 12984
Tycho2 3304-00795-1 Gaia DR2 438975108246989568 HD 17159 ADS 2112
BD BD+49 770 Distance 78.62 Distance ly 256.46
 
 
ORBITAL ELEMENTS
 
 
Period (P)1145.5025y± 557.3951 Periastron (T)1805.1869y± 298.0128 Semi-major axis (a)5.68293a± 2.96409
Eccentricity (e)0.76908± 0.18721 Inclination (i)86.295°± 4.954 Longitude of periastron (ω)278.39°± 20.643
Node (Ω)141.303°± 12.949 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 149.9 2.679
2001 150.0 2.671
2002 150.0 2.664
2003 150.1 2.656
2004 150.1 2.649
2005 150.2 2.641
2006 150.3 2.634
2007 150.3 2.626
2008 150.4 2.618
2009 150.4 2.610
2010 150.5 2.603
2011 150.6 2.595
2012 150.6 2.587
2013 150.7 2.579
2014 150.8 2.571
2015 150.8 2.563
2016 150.9 2.555
2017 150.9 2.547
2018 151.0 2.539
2019 151.1 2.530
2020 151.1 2.522
2021 151.2 2.514
2022 151.3 2.506
2023 151.3 2.497
2024 151.4 2.489
2025 151.5 2.481
2026 151.5 2.472
2027 151.6 2.464
2028 151.7 2.455
2029 151.8 2.447
2030 151.8 2.438


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



 
 


wds02470%2B5007a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic