09327+0152 FIN 349 (HD 82543)

09h 32m 41.41s +01° 51' 51.3" P.A. 148.00 sep 0.2 mag 6.87,7.12 Sp F7IV-V dist. 116.69 pc (380.64 l.y.)

Coord 2000 09327+0152 Discov num FIN 349 Comp Coord arcsec 2000 09 32 41.41 +01 51 51.3
Date first 1959 Date last 2021 Obs 64
Pa first 253 Pa last 147.7 P.A. Now (θ) 155.1°
Sep first 0.1 Sep last 0.16 Sep. Now (ρ) 0.167"
Mag pri 6.87 Mag sec 7.12 delta mag (ΔM) 0.25 Spectral class F7IV-V (yellow-white)
Pri motion ra -020 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 82543 Constellation Hydra SAO 117757 HIP 46840
Tycho2 0235-02367-1 Gaia DR2 3841515476501420928 HD 82543 HR 3794
GC 13172 BD BD+02 2217 FK5 2758 Distance 116.69
Distance ly 380.64




ORBITAL ELEMENTS

Period (P)40.57y± 0.19 Periastron (T)1972.12y± 0.16 Semi-major axis (a)0.154a± 0.001
Eccentricity (e)0.42± 0.009 Inclination (i)54.7°± 0.6 Longitude of periastron (ω)72.6°± 0.8
Node (Ω)318.6°± 0.6 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade2(1=Definitive, 9=Indet.)

label theta rho
2000 253.8 0.121
2001 261.3 0.122
2002 268.5 0.124
2003 275.6 0.126
2004 282.5 0.128
2005 289.2 0.129
2006 295.9 0.128
2007 302.6 0.126
2008 309.8 0.122
2009 317.7 0.114
2010 327.2 0.102
2011 339.9 0.085
2012 359.4 0.066
2013 31.6 0.053
2014 70.5 0.057
2015 97.6 0.074
2016 113.5 0.094
2017 123.8 0.113
2018 131.3 0.129
2019 137.3 0.142
2020 142.3 0.152
2021 146.9 0.159
2022 151.1 0.164
2023 155.1 0.167
2024 159.0 0.168
2025 163.0 0.168
2026 166.9 0.166
2027 171.0 0.163
2028 175.2 0.160
2029 179.6 0.156
2030 184.3 0.151


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



 
 


wds09327%2B0152a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic