13325-6914 I 298 (HD 117445)

 
 
13h 32m 32.77s -69° 13' 54.0" P.A. 151.00 sep 0.5 mag 7.36,8.54 Sp F5II/III dist. 126.1 pc (411.34 l.y.)
 
 
Coord 2000 13325-6914 Discov num I   298 Comp Coord arcsec 2000 13 32 32.77 -69 13 54.0
Date first 1898 Date last 2019 Obs 15
Pa first 220 Pa last 151.1 P.A. Now (θ) 151.1°
Sep first 0.8 Sep last 0.507 Sep. Now (ρ) 0.507"
Mag pri 7.36 Mag sec 8.54 delta mag (ΔM) 1.18 Spectral class F5II/III (yellow-white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec +007 Sec motion dec +007
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 117445 Constellation Musca SAO 252353 HIP 66057
Tycho2 9242-00163-1 Gaia DR2 5844226802138925952 HD 117445 CP CP-68 1944
Distance 126.1 Distance ly 411.34
 
 
ORBITAL ELEMENTS
 
 
Period (P)590y Periastron (T)2030y Semi-major axis (a)1a
Eccentricity (e)0.347 Inclination (i)115.2° Longitude of periastron (ω)70.3°
Node (Ω)178.8° Notes ReferenceUSN2002
Equinox2000 Last observation1991 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 164.1 0.609
2001 163.5 0.601
2002 162.8 0.593
2003 162.1 0.584
2004 161.3 0.576
2005 160.6 0.567
2006 159.8 0.558
2007 159.0 0.549
2008 158.2 0.540
2009 157.4 0.531
2010 156.5 0.522
2011 155.6 0.513
2012 154.6 0.504
2013 153.7 0.494
2014 152.6 0.485
2015 151.6 0.476
2016 150.5 0.466
2017 149.3 0.457
2018 148.1 0.447
2019 146.9 0.438
2020 145.6 0.429
2021 144.3 0.419
2022 142.8 0.410
2023 141.4 0.401
2024 139.8 0.392
2025 138.2 0.383
2026 136.5 0.375
2027 134.7 0.366
2028 132.8 0.358
2029 130.9 0.350
2030 128.9 0.342


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



 
 


wds13325-6914a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic