12165-5009 RST 583 (HD 106725)

 
 
12h 16m 27.87s -50° 08' 35.7" P.A. 306.00 sep 0.3 mag 10.20,10.26 Sp G3V dist. 108.46 pc (353.8 l.y.)
 
 
Coord 2000 12165-5009 Discov num RST 583 Comp Coord arcsec 2000 12 16 27.87 -50 08 35.7
Date first 1929 Date last 2021 Obs 11
Pa first 183 Pa last 305.6 P.A. Now (θ) 305.6°
Sep first 0.2 Sep last 0.283 Sep. Now (ρ) 0.283"
Mag pri 10.20 Mag sec 10.26 delta mag (ΔM) 0.06 Spectral class G3V (yellow)
Pri motion ra -030 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 106725 Constellation Centaurus SAO 223325 HIP 59854
Tycho2 8238-00919-1 HD 106725 CD CD-49 6957 CP CP-49 5030
Distance 108.46 Distance ly 353.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)220y Periastron (T)1922.51y Semi-major axis (a)0.406a
Eccentricity (e)0.632 Inclination (i)70.1° Longitude of periastron (ω)112.3°
Node (Ω)353.3° Notes ReferenceTok2021f
Equinox Last observation2021 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 280.8 0.220
2001 282.3 0.223
2002 283.7 0.225
2003 285.1 0.228
2004 286.4 0.231
2005 287.7 0.234
2006 289.0 0.237
2007 290.3 0.240
2008 291.5 0.243
2009 292.7 0.246
2010 293.9 0.249
2011 295.0 0.252
2012 296.1 0.255
2013 297.2 0.259
2014 298.2 0.262
2015 299.2 0.266
2016 300.2 0.269
2017 301.2 0.272
2018 302.2 0.276
2019 303.1 0.279
2020 304.0 0.283
2021 304.9 0.286
2022 305.7 0.290
2023 306.6 0.293
2024 307.4 0.297
2025 308.2 0.300
2026 308.9 0.304
2027 309.7 0.307
2028 310.5 0.311
2029 311.2 0.314
2030 311.9 0.318


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



 
 


wds12165-5009a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic