04093-2025 RST 2333 AB (HD 26347)

 
 
04h 09m 18.92s -20° 24' 58.7" P.A. 189.00 sep 0.4 mag 9.70,9.70 Sp G2/3V
 
 
Coord 2000 04093-2025 Discov num RST2333 Comp AB Coord arcsec 2000 04 09 18.92 -20 24 58.7
Date first 1935 Date last 2020 Obs 15
Pa first 11 Pa last 188.5 P.A. Now (θ) 188.5°
Sep first 0.3 Sep last 0.362 Sep. Now (ρ) 0.362"
Mag pri 9.70 Mag sec 9.70 delta mag (ΔM) 0 Spectral class G2/3V (yellow)
Pri motion ra +022 Sec motion ra
Pri motion dec -029 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
04093-2025 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 26347 169175 04 09 19 -20 24 59 RST 2333 AB 2020 15 189 0.4 9.70 9.70 0.00 Y <===
Show 169175 04 09 19 -20 24 59 SKF 2465 AB,C 2015 7 191 42.2 9.20 13.30 4.10
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 26347 Constellation Eridanus SAO 169175 Tycho2 5889-01357-1
Gaia DR2 5091025641634025984 HD 26347
 
 
ORBITAL ELEMENTS
 
 
Period (P)225y Periastron (T)1949.2y Semi-major axis (a)0.498a
Eccentricity (e)0.256 Inclination (i)80.9° Longitude of periastron (ω)358.7°
Node (Ω)15.4° Notes ReferenceDoc2012i
Equinox2000 Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 170.9 0.184
2001 172.6 0.196
2002 174.1 0.209
2003 175.4 0.221
2004 176.6 0.233
2005 177.6 0.245
2006 178.6 0.257
2007 179.5 0.269
2008 180.3 0.281
2009 181.0 0.293
2010 181.7 0.304
2011 182.3 0.316
2012 182.9 0.327
2013 183.4 0.338
2014 184.0 0.349
2015 184.4 0.360
2016 184.9 0.370
2017 185.3 0.381
2018 185.7 0.391
2019 186.1 0.401
2020 186.5 0.411
2021 186.8 0.421
2022 187.2 0.430
2023 187.5 0.439
2024 187.8 0.448
2025 188.1 0.457
2026 188.4 0.466
2027 188.7 0.474
2028 188.9 0.482
2029 189.2 0.490
2030 189.4 0.498


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



 
 


wds04093-2025c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic