11383-6322 I 422 AB

 
 
11h 38m 20.37s -63° 22' 21.9" P.A. 116.00 sep 0.4 mag 7.10,7.42 Sp O7N dist. 2941.18 pc (9594.13 l.y.)
 
 
Coord 2000 11383-6322 Discov num I   422 Comp AB Coord arcsec 2000 11 38 20.37 -63 22 21.9
Date first 1902 Date last 2019 Obs 24
Pa first 94 Pa last 116.4 P.A. Now (θ) 116.4°
Sep first 0.5 Sep last 0.35 Sep. Now (ρ) 0.35"
Mag pri 7.10 Mag sec 7.42 delta mag (ΔM) 0.32 Spectral class O7N (blue)
Pri motion ra -006 Sec motion ra
Pri motion dec +006 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
11383-6322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 251511 11 38 20 -63 22 22 I 422 AB 2019 24 116 0.4 7.10 7.42 0.32 Y <===
Show V871 Cen 251511 11 38 20 -63 22 22 I 422 AB,C 2019 10 5 1.7 6.54 9.91 3.37
Show 251511 11 38 20 -63 22 22 I 422 AB,D 2017 6 324 9.4 6.54 11.60 5.06
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V871 Cen Constellation Centaurus SAO 251511 HIP 56769
Tycho2 8976-05393-1 Gaia DR2 5333579693434155008 HD 101205 GC 15973
CP CP-62 2168 Distance 2941.18 Distance ly 9594.13
 
 
ORBITAL ELEMENTS
 
 
Period (P)1715.8y± 285.4 Periastron (T)909.2y± 230.1 Semi-major axis (a)1.316a± 0.445
Eccentricity (e)0.73± 0.106 Inclination (i)81.9°± 13 Longitude of periastron (ω)73.8°± 14.8
Node (Ω)234.8°± 8.8 Notesn ReferenceZas2009
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 114.9 0.350
2001 115.2 0.349
2002 115.4 0.347
2003 115.7 0.346
2004 116.0 0.345
2005 116.3 0.344
2006 116.6 0.343
2007 116.9 0.342
2008 117.2 0.341
2009 117.5 0.340
2010 117.8 0.339
2011 118.1 0.338
2012 118.4 0.337
2013 118.7 0.336
2014 119.1 0.334
2015 119.4 0.333
2016 119.7 0.332
2017 120.0 0.331
2018 120.3 0.330
2019 120.6 0.329
2020 121.0 0.328
2021 121.3 0.328
2022 121.6 0.327
2023 122.0 0.326
2024 122.3 0.325
2025 122.6 0.324
2026 123.0 0.323
2027 123.3 0.322
2028 123.6 0.321
2029 124.0 0.320
2030 124.3 0.319


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



 
 


wds11383-6322a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic