11064-3545 DAW 132 AB

 
 
11h 06m 22.94s -35° 44' 54.4" P.A. 129.00 sep 1.9 mag 9.97,11.50 Sp K5 dist. 27.57 pc (89.93 l.y.)
 
 
Coord 2000 11064-3545 Discov num DAW 132 Comp AB Coord arcsec 2000 11 06 22.94 -35 44 54.4
Date first 1922 Date last 2021 Obs 11
Pa first 122 Pa last 129.4 P.A. Now (θ) 129.4°
Sep first 2.4 Sep last 1.896 Sep. Now (ρ) 1.896"
Mag pri 9.97 Mag sec 11.50 delta mag (ΔM) 1.53 Spectral class K5 (yellow-orange)
Pri motion ra +154 Sec motion ra
Pri motion dec -055 Sec motion dec
Notes O Z (Orbital solution, Parallax indicates components are physical)
This double is physical.
 
 
11064-3545 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 11 06 23 -35 44 54 DAW 132 AB 2021 11 129 1.9 9.97 11.50 1.53 Y <===
Show 11 06 23 -35 44 54 UC 2081 AC 2016 5 292 48.6 9.97 12.72 2.75
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Centaurus HIP 54288 Gaia DR2 5400694978404706560 CD CD-35 6972
CP CP-35 4610 Distance 27.57 Distance ly 89.93
 
 
ORBITAL ELEMENTS
 
 
Period (P)163.3y Periastron (T)1983.62y Semi-major axis (a)1.199a
Eccentricity (e)0.97 Inclination (i)141.2° Longitude of periastron (ω)177.4°
Node (Ω)121.8° Notes ReferenceTok2020e
Equinox Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 134.6 1.214
2001 134.2 1.257
2002 133.9 1.299
2003 133.5 1.339
2004 133.2 1.378
2005 132.9 1.416
2006 132.6 1.452
2007 132.3 1.488
2008 132.0 1.522
2009 131.8 1.555
2010 131.5 1.588
2011 131.3 1.619
2012 131.1 1.649
2013 130.9 1.679
2014 130.7 1.708
2015 130.5 1.735
2016 130.3 1.762
2017 130.1 1.789
2018 129.9 1.814
2019 129.7 1.839
2020 129.5 1.863
2021 129.4 1.886
2022 129.2 1.909
2023 129.0 1.931
2024 128.9 1.952
2025 128.7 1.973
2026 128.6 1.993
2027 128.4 2.012
2028 128.3 2.031
2029 128.1 2.049
2030 128.0 2.067


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



 
 


wds11064-3545a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic