04268+1240 WOR 15 (HD 286798)

 
 
04h 26m 42.75s +12° 41' 11.8" P.A. 348.00 sep 0.5 mag 11.19,11.49 Sp M0 dist. 34.38 pc (112.15 l.y.)
 
 
Coord 2000 04268+1240 Discov num WOR  15 Comp Coord arcsec 2000 04 26 42.75 +12 41 11.8
Date first 1960 Date last 2018 Obs 24
Pa first 23 Pa last 347.7 P.A. Now (θ) 341.5°
Sep first 0.3 Sep last 0.533 Sep. Now (ρ) 0.507"
Mag pri 11.19 Mag sec 11.49 delta mag (ΔM) 0.3 Spectral class M0 (red)
Pri motion ra +122 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 286798 Constellation Taurus HIP 20745 Tycho2 0676-00389-1
Gaia DR2 3307241404808622208 HD 286798 Distance 34.38 Distance ly 112.15
 
 
ORBITAL ELEMENTS
 
 
Period (P)40.9y± 3.3 Periastron (T)2037.1y± 3.3 Semi-major axis (a)0.314a± 0.047
Eccentricity (e)0.811± 0.024 Inclination (i)144°± 14 Longitude of periastron (ω)319°± 16
Node (Ω)136°± 19 Notes ReferenceHor2021b
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 38.3 0.216
2001 30.8 0.252
2002 25.1 0.286
2003 20.6 0.317
2004 16.8 0.345
2005 13.6 0.371
2006 10.8 0.394
2007 8.3 0.415
2008 6.0 0.435
2009 3.9 0.452
2010 2.0 0.467
2011 0.2 0.481
2012 358.4 0.493
2013 356.8 0.503
2014 355.2 0.511
2015 353.6 0.518
2016 352.1 0.522
2017 350.6 0.526
2018 349.1 0.527
2019 347.6 0.527
2020 346.1 0.524
2021 344.6 0.520
2022 343.1 0.515
2023 341.5 0.507
2024 339.9 0.497
2025 338.2 0.485
2026 336.4 0.470
2027 334.5 0.453
2028 332.4 0.433
2029 330.1 0.410
2030 327.5 0.384


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



 
 


wds04268%2B1240b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic