13320-6519 FIN 369 AB (HD 117432)

 
 
13h 31m 57.83s -65° 19' 18.5" P.A. 210.00 sep 0.1 mag 7.36,7.54 Sp A8/9IV dist. 82.85 pc (270.26 l.y.)
 
 
Coord 2000 13320-6519 Discov num FIN 369 Comp AB Coord arcsec 2000 13 31 57.83 -65 19 18.5
Date first 1960 Date last 2021 Obs 22
Pa first 56 Pa last 210 P.A. Now (θ) 182.3°
Sep first 0.1 Sep last 0.114 Sep. Now (ρ) 0.078"
Mag pri 7.36 Mag sec 7.54 delta mag (ΔM) 0.18 Spectral class A8/9IV (white)
Pri motion ra -062 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N O W (See Notes, Orbital solution, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 117432 Constellation Musca SAO 252345 HIP 66005
Tycho2 8999-02691-1 HD 117432 GC 18266 CP CP-64 2441
Distance 82.85 Distance ly 270.26
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier13320-6519 FIN 369
coord_arcsec_2000133157.83-651918.5
Period (P)24.786y± 0.3 Periastron (T)2021.716y± 1.5 Semi-major axis (a)0.176a± 0.012
Eccentricity (e)0.473± 0.06 Inclination (i)75.2°± 2 Longitude of periastron (ω)81.4°± 5
Node (Ω)16.6°± 2 Notesn ReferenceDoc2013d
Equinox2000 Last observation2012 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 196.7 0.148
2001 200.8 0.164
2002 204.4 0.170
2003 208.0 0.167
2004 211.8 0.159
2005 216.1 0.146
2006 221.4 0.131
2007 228.2 0.114
2008 237.5 0.096
2009 250.6 0.080
2010 269.1 0.069
2011 292.0 0.066
2012 314.1 0.071
2013 331.1 0.084
2014 343.1 0.100
2015 351.8 0.116
2016 358.4 0.131
2017 3.8 0.141
2018 8.8 0.144
2019 13.8 0.137
2020 20.2 0.113
2021 33.3 0.066
2022 123.4 0.025
2023 182.3 0.078
2024 192.4 0.124
2025 197.7 0.152
2026 201.6 0.166
2027 205.2 0.170
2028 208.8 0.166
2029 212.7 0.156
2030 217.2 0.143


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



 
 


wds13320-6519c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic