23464-2302 TOK 375 (HD 223078)

23h 46m 26.71s -23° 01' 40.3" P.A. 160.00 sep 0.1 mag 8.93,12.00 Sp K2+V dist. 36.44 pc (118.87 l.y.)

Coord 2000 23464-2302 Discov num TOK 375 Comp Coord arcsec 2000 23 46 26.71 -23 01 40.3
Date first 2012 Date last 2021 Obs 10
Pa first 312 Pa last 159.9 P.A. Now (θ) 159.9°
Sep first 0.2 Sep last 0.126 Sep. Now (ρ) 0.126"
Mag pri 8.93 Mag sec 12.00 delta mag (ΔM) 3.07 Spectral class K2+V (yellow-orange)
Pri motion ra -152 Sec motion ra
Pri motion dec -041 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 223078 Constellation Aquarius SAO 192141 HIP 117247
Tycho2 6981-00319-1 Gaia DR2 2339457832749353216 HD 223078 CD CD-2318034
CP CP-23 8346 Distance 36.44 Distance ly 118.87




ORBITAL ELEMENTS

Period (P)12.5y± 1 Periastron (T)2022.47y± 0.78 Semi-major axis (a)0.1426a± 0.0037
Eccentricity (e)0.429± 0.044 Inclination (i)165.4°± 5.9 Longitude of periastron (ω)149.2°± 9
Node (Ω)232.2°± 8 Notesn ReferenceHor2021b
Equinox Last observation Grade4(1=Definitive, 9=Indet.)

label theta rho
2000 321.2 0.145
2001 300.7 0.170
2002 284.9 0.189
2003 271.3 0.199
2004 258.7 0.202
2005 245.9 0.197
2006 231.9 0.184
2007 214.8 0.162
2008 190.9 0.131
2009 150.3 0.097
2010 79.8 0.081
2011 13.7 0.100
2012 334.6 0.131
2013 310.1 0.159
2014 292.4 0.180
2015 277.9 0.195
2016 264.9 0.202
2017 252.4 0.201
2018 239.2 0.192
2019 223.9 0.174
2020 204.1 0.147
2021 173.8 0.114
2022 118.3 0.084
2023 43.1 0.088
2024 351.6 0.115
2025 321.2 0.145
2026 300.7 0.170
2027 284.9 0.189
2028 271.3 0.199
2029 258.7 0.202
2030 245.9 0.197


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



 
 


wds23464-2302a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic