05413+1632 BU 1007 (126 Tau)

 
 
05h 41m 17.72s +16° 32' 03.1" P.A. 248.00 sep 0.2 mag 5.04,6.56 Sp B8V+B7V dist. 194.93 pc (635.86 l.y.)
 
 
Coord 2000 05413+1632 Discov num BU 1007 Comp Coord arcsec 2000 05 41 17.72 +16 32 03.1
Date first 1881 Date last 2011 Obs 156
Pa first 266 Pa last 248.4 P.A. Now (θ) 259°
Sep first 0.3 Sep last 0.216 Sep. Now (ρ) 0.115"
Mag pri 5.04 Mag sec 6.56 delta mag (ΔM) 1.52 Spectral class B8V+B7V (blue-white/blue-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 126 Tau Var name NSV2560 Tau Constellation Taurus SAO 94759
HIP 26777 Tycho2 1298-00373-1 Gaia DR2 3396380255582857728 HD 37711
HR 1946 GC 7094 ADS 4265 BD BD+16 841
Flamsteed 126 Tauri Flamsteed name 126 Tau Distance 194.93 Distance ly 635.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)111.02y± 1.37 Periastron (T)1938.13y± 1.64 Semi-major axis (a)0.245a± 0.014
Eccentricity (e)0.661± 0.036 Inclination (i)80.5°± 1.1 Longitude of periastron (ω)40.9°± 5.8
Node (Ω)53.2°± 0.8 Notesn ReferenceDru2014
Equinox Last observation2011 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 243.1 0.281
2001 243.4 0.276
2002 243.7 0.271
2003 244.1 0.265
2004 244.4 0.259
2005 244.8 0.253
2006 245.2 0.247
2007 245.6 0.240
2008 246.0 0.234
2009 246.4 0.227
2010 246.9 0.220
2011 247.4 0.213
2012 248.0 0.205
2013 248.6 0.198
2014 249.2 0.190
2015 249.9 0.182
2016 250.7 0.174
2017 251.5 0.166
2018 252.4 0.158
2019 253.5 0.150
2020 254.6 0.141
2021 255.9 0.133
2022 257.3 0.124
2023 259.0 0.115
2024 261.0 0.106
2025 263.3 0.098
2026 266.1 0.089
2027 269.5 0.080
2028 273.7 0.072
2029 279.0 0.064
2030 285.7 0.056


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



 
 


wds05413%2B1632a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic