12396-3717 DAW 63 (HD 110035)

 
 
12h 39m 38.94s -37° 17' 13.0" P.A. 201.00 sep 0.3 mag 9.97,9.81 Sp K3V dist. 44.17 pc (144.08 l.y.)
 
 
Coord 2000 12396-3717 Discov num DAW  63 Comp Coord arcsec 2000 12 39 38.94 -37 17 13.0
Date first 1927 Date last 2021 Obs 56
Pa first 347 Pa last 201.2 P.A. Now (θ) 219.9°
Sep first 0.5 Sep last 0.277 Sep. Now (ρ) 0.277"
Mag pri 9.97 Mag sec 9.81 delta mag (ΔM) 0.16 Spectral class K3V (yellow-orange)
Pri motion ra -262 Sec motion ra -262
Pri motion dec -268 Sec motion dec -268
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110035 Constellation Centaurus SAO 203675 HIP 61775
Tycho2 7259-00240-1 HD 110035 CD CD-36 7990 Distance 44.17
Distance ly 144.08
 
 
ORBITAL ELEMENTS
 
 
Period (P)56.85y± 0.32 Periastron (T)2021.02y± 0.55 Semi-major axis (a)0.387a± 0.004
Eccentricity (e)0.287± 0.015 Inclination (i)21.6°± 5.3 Longitude of periastron (ω)3.7°± 16.4
Node (Ω)194.5°± 13.8 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 44.3 0.467
2001 48.3 0.458
2002 52.4 0.449
2003 56.7 0.439
2004 61.2 0.428
2005 65.9 0.417
2006 70.9 0.404
2007 76.2 0.392
2008 81.9 0.379
2009 88.0 0.366
2010 94.5 0.354
2011 101.5 0.341
2012 109.0 0.329
2013 117.1 0.318
2014 125.7 0.309
2015 134.8 0.300
2016 144.5 0.293
2017 154.5 0.287
2018 165.0 0.282
2019 175.7 0.279
2020 186.7 0.277
2021 197.7 0.276
2022 208.8 0.276
2023 219.9 0.277
2024 230.8 0.280
2025 241.4 0.284
2026 251.7 0.290
2027 261.5 0.297
2028 270.8 0.307
2029 279.5 0.317
2030 287.6 0.329


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



 
 


wds12396-3717a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic