14025-2440 B 263 AB

 
 
14h 02m 27.50s -24° 39' 52.6" P.A. 155.00 sep 0.3 mag 8.42,10.59 Sp G3V dist. 62.42 pc (203.61 l.y.)
 
 
Coord 2000 14025-2440 Discov num B   263 Comp AB Coord arcsec 2000 14 02 27.50 -24 39 52.6
Date first 1926 Date last 2021 Obs 25
Pa first 276 Pa last 155.4 P.A. Now (θ) 155.4°
Sep first 0.5 Sep last 0.259 Sep. Now (ρ) 0.259"
Mag pri 8.42 Mag sec 10.59 delta mag (ΔM) 2.17 Spectral class G3V (yellow)
Pri motion ra -088 Sec motion ra
Pri motion dec -128 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
14025-2440 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 182184 14 02 28 -24 39 53 DSG 16 Aa,Ab 2017 2 294 0.0 9.10 9.20 0.10
Show 182184 14 02 28 -24 39 53 B 263 AB 2021 25 155 0.3 8.42 10.59 2.17 Y <===
Show 182184 14 02 28 -24 39 53 TOK 571 AC 2016 4 326 999.9 8.14 16.18 8.04
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra SAO 182184 HIP 68587 Tycho2 6733-00448-1
Gaia DR2 6274824520830923392 HD 122445 CD CD-2411253 CP CP-24 5211
Distance 62.42 Distance ly 203.61
 
 
ORBITAL ELEMENTS
 
 
Period (P)205.9y± 17.8 Periastron (T)2011.84y± 0.64 Semi-major axis (a)0.597a± 0.037
Eccentricity (e)0.533± 0.024 Inclination (i)48.8°± 1.7 Longitude of periastron (ω)65.5°± 4.8
Node (Ω)19.8°± 1.6 Notes ReferenceTok2020e
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 18.4 0.355
2001 21.3 0.345
2002 24.3 0.333
2003 27.5 0.321
2004 31.0 0.309
2005 34.8 0.295
2006 39.0 0.281
2007 43.6 0.267
2008 48.8 0.252
2009 54.5 0.238
2010 61.0 0.225
2011 68.3 0.212
2012 76.5 0.202
2013 85.4 0.194
2014 94.9 0.189
2015 104.6 0.188
2016 114.3 0.191
2017 123.5 0.198
2018 131.9 0.208
2019 139.5 0.220
2020 146.2 0.235
2021 152.1 0.251
2022 157.3 0.268
2023 161.9 0.285
2024 165.9 0.302
2025 169.5 0.320
2026 172.7 0.338
2027 175.6 0.355
2028 178.2 0.372
2029 180.6 0.388
2030 182.8 0.404


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



 
 


wds14025-2440b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic