03489+1143 A 831 (V1243 Tau)

 
 
03h 48m 51.57s +11° 42' 31.7" P.A. 81.00 sep 0.2 mag 8.54,10.00 Sp F0 dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000 03489+1143 Discov num A   831 Comp Coord arcsec 2000 03 48 51.57 +11 42 31.7
Date first 1904 Date last 2017 Obs 30
Pa first 339 Pa last 81.1 P.A. Now (θ) 81.1°
Sep first 0.5 Sep last 0.204 Sep. Now (ρ) 0.204"
Mag pri 8.54 Mag sec 10.00 delta mag (ΔM) 1.46 Spectral class F0 (yellow-white)
Pri motion ra -009 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V1243 Tau Constellation Taurus SAO 93616 HIP 17826
Tycho2 0661-00087-1 Gaia DR2 36884736758841344 HD 23874 ADS 2785
BD BD+11 526 Distance 153.14 Distance ly 499.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)192y Periastron (T)2051y Semi-major axis (a)0.434a
Eccentricity (e)0.452 Inclination (i)64.5° Longitude of periastron (ω)30.5°
Node (Ω)165.2° Notes ReferenceUSN2002
Equinox2000 Last observation1995 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 36.1 0.276
2001 37.9 0.269
2002 39.9 0.261
2003 41.9 0.254
2004 44.1 0.247
2005 46.4 0.240
2006 48.8 0.234
2007 51.3 0.228
2008 54.0 0.222
2009 56.8 0.216
2010 59.8 0.211
2011 62.9 0.206
2012 66.2 0.202
2013 69.6 0.198
2014 73.1 0.195
2015 76.8 0.192
2016 80.5 0.190
2017 84.3 0.188
2018 88.1 0.187
2019 92.0 0.187
2020 95.9 0.188
2021 99.7 0.189
2022 103.5 0.190
2023 107.2 0.192
2024 110.8 0.195
2025 114.3 0.198
2026 117.7 0.202
2027 121.0 0.206
2028 124.1 0.210
2029 127.1 0.214
2030 130.0 0.219


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


 
  


wds03489%2B1143a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic