00348-5853 I 439 (HD 3207)

 
 
00h 34m 47.47s -58° 53' 07.6" P.A. 347.00 sep 0.0 mag 9.96,9.86 Sp G3V dist. 81.1 pc (264.55 l.y.)
 
 
Coord 2000 00348-5853 Discov num I   439 Comp Coord arcsec 2000 00 34 47.47 -58 53 07.6
Date first 1911 Date last 2021 Obs 15
Pa first 102 Pa last 346.9 P.A. Now (θ) 346.9°
Sep first 1.1 Sep last 0.047 Sep. Now (ρ) 0.047"
Mag pri 9.96 Mag sec 9.86 delta mag (ΔM) 0.1 Spectral class G3V (yellow)
Pri motion ra +036 Sec motion ra +036
Pri motion dec -033 Sec motion dec -033
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 3207 Constellation Tucana SAO 232096 HIP 2726
Tycho2 8471-00802-1 Gaia DR2 4907047556414937856 HD 3207 CP CP-59 46
Distance 81.1 Distance ly 264.55
 
 
ORBITAL ELEMENTS
 
 
Period (P)350y Periastron (T)2020.64y Semi-major axis (a)0.693a
Eccentricity (e)0.962 Inclination (i)47° Longitude of periastron (ω)152.1°
Node (Ω)116.3° Notes ReferenceTok2021c
Equinox2000 Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 111.5 0.510
2001 111.8 0.495
2002 112.2 0.479
2003 112.6 0.463
2004 113.1 0.446
2005 113.6 0.429
2006 114.1 0.411
2007 114.6 0.393
2008 115.3 0.374
2009 116.0 0.354
2010 116.7 0.333
2011 117.6 0.312
2012 118.6 0.289
2013 119.8 0.266
2014 121.3 0.241
2015 123.1 0.214
2016 125.4 0.185
2017 128.6 0.154
2018 133.6 0.119
2019 143.2 0.079
2020 177.8 0.033
2021 318.0 0.032
2022 14.6 0.053
2023 36.6 0.079
2024 47.6 0.105
2025 54.3 0.131
2026 58.8 0.154
2027 62.2 0.177
2028 64.8 0.199
2029 66.9 0.220
2030 68.6 0.240


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


 
  


wds00348-5853a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic