05059-1355 A 3009 (HD 32915)

 
 
05h 05m 55.22s -13° 54' 49.5" P.A. 274.00 sep 1.2 mag 8.21,9.74 Sp K0V dist. 46.55 pc (151.85 l.y.)
 
 
Coord 2000 05059-1355 Discov num A  3009 Comp Coord arcsec 2000 05 05 55.22 -13 54 49.5
Date first 1926 Date last 2016 Obs 32
Pa first 110 Pa last 274 P.A. Now (θ) 274°
Sep first 0.9 Sep last 1.226 Sep. Now (ρ) 1.226"
Mag pri 8.21 Mag sec 9.74 delta mag (ΔM) 1.53 Spectral class K0V (yellow-orange)
Pri motion ra +082 Sec motion ra +082
Pri motion dec +058 Sec motion dec +058
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 32915 Constellation Lepus SAO 150137 HIP 23716
Tycho2 5329-00901-1 Gaia DR2 2987621174275697792 HD 32915 ADS 3686
BD BD-14 1040 Distance 46.55 Distance ly 151.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)254.7602y± 64.2058 Periastron (T)1948.1176y± 19.6434 Semi-major axis (a)1.18105a± 0.18374
Eccentricity (e)0.21428± 0.0731 Inclination (i)34.858°± 5.891 Longitude of periastron (ω)96.215°± 52.333
Node (Ω)64.14°± 17.775 Notes ReferenceIzm2019
Equinox Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 255.9 1.150
2001 257.1 1.154
2002 258.3 1.157
2003 259.4 1.161
2004 260.6 1.164
2005 261.8 1.167
2006 262.9 1.170
2007 264.1 1.172
2008 265.2 1.175
2009 266.4 1.177
2010 267.5 1.179
2011 268.6 1.181
2012 269.8 1.182
2013 270.9 1.184
2014 272.0 1.185
2015 273.1 1.186
2016 274.3 1.187
2017 275.4 1.188
2018 276.5 1.189
2019 277.6 1.189
2020 278.7 1.190
2021 279.9 1.190
2022 281.0 1.190
2023 282.1 1.190
2024 283.2 1.191
2025 284.3 1.190
2026 285.4 1.190
2027 286.5 1.190
2028 287.7 1.190
2029 288.8 1.189
2030 289.9 1.189


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



 
 


wds05059-1355c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic