23597-4405 WSI 140

 
 
23h 59m 44.83s -44° 04' 59.9" P.A. 306.00 sep 0.3 mag 13.40,13.90 Sp M7
 
 
Coord 2000 23597-4405 Discov num WSI 140 Comp Coord arcsec 2000 23 59 44.83 -44 04 59.9
Date first 2010 Date last 2021 Obs 10
Pa first 300 Pa last 305.6 P.A. Now (θ) 305.6°
Sep first 0.3 Sep last 0.289 Sep. Now (ρ) 0.289"
Mag pri 13.40 Mag sec 13.90 delta mag (ΔM) 0.5 Spectral class M7 (red)
Pri motion ra -019 Sec motion ra
Pri motion dec +275 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Phoenix Gaia DR2 6532612963356913408
 
 
ORBITAL ELEMENTS
 
 
Period (P)11.77y± 0.39 Periastron (T)2001.98y± 0.39 Semi-major axis (a)0.217a± 0.004
Eccentricity (e)0.394± 0.007 Inclination (i) Longitude of periastron (ω)
Node (Ω)93.4°± 2.6 Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 346.8 0.207
2001 27.5 0.158
2002 94.9 0.132
2003 161.4 0.160
2004 201.2 0.208
2005 226.4 0.251
2006 245.0 0.281
2007 260.8 0.298
2008 275.4 0.302
2009 290.1 0.294
2010 306.4 0.274
2011 326.4 0.240
2012 354.4 0.195
2013 40.5 0.148
2014 112.3 0.134
2015 172.6 0.171
2016 207.9 0.219
2017 231.0 0.259
2018 248.8 0.286
2019 264.2 0.300
2020 278.7 0.302
2021 293.7 0.291
2022 310.6 0.267
2023 331.9 0.231
2024 2.8 0.184
2025 55.2 0.140
2026 128.8 0.139
2027 182.4 0.182
2028 213.9 0.229
2029 235.5 0.266
2030 252.5 0.290


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



 
 


wds23597-4405a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic