05386+3030 BU 1240 AB

 
 
05h 38m 38.10s +30° 29' 32.8" P.A. 324.00 sep 0.2 mag 6.29,6.21 Sp G8III+A1 dist. 173.61 pc (566.32 l.y.)
 
 
Coord 2000 05386+3030 Discov num BU 1240 Comp AB Coord arcsec 2000 05 38 38.10 +30 29 32.8
Date first 1892 Date last 2012 Obs 102
Pa first 344 Pa last 323.7 P.A. Now (θ) 295.8°
Sep first 0.2 Sep last 0.188 Sep. Now (ρ) 0.109"
Mag pri 6.29 Mag sec 6.21 delta mag (ΔM) 0.08 Spectral class G8III+A1 (yellow/white)
Pri motion ra -021 Sec motion ra -021
Pri motion dec -012 Sec motion dec -012
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
05386+3030 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 58280 05 38 38 +30 29 33 BU 1240 AB 2012 102 324 0.2 6.29 6.21 0.08 Y <===
Show 26 Aur 58280 05 38 38 +30 29 33 STF 753 AB,C 2019 71 269 12.4 5.46 8.41 2.95
Show 58280 05 38 38 +30 29 33 BU 90 AB,D 2015 22 113 35.4 5.46 11.50 6.04
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV2485 Aur Constellation Auriga SAO 58280 HIP 26536
Tycho2 2404-01350-1 Gaia DR2 3447545341986921216 HD 37269 HR 1914
GC 7002 ADS 4229 BD BD+30 963 Flamsteed 26 Aurigae
Flamsteed name 26 Aur Distance 173.61 Distance ly 566.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)52.735y± 0.156 Periastron (T)1974.927y± 0.026 Semi-major axis (a)0.154a± 0.001
Eccentricity (e)0.653± 0.002 Inclination (i)124.22°± 0.29 Longitude of periastron (ω)309.07°± 0.14
Node (Ω)127.08°± 0.38 Notesn ReferenceFMR2008
Equinox2000 Last observation2004 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 344.2 0.190
2001 342.3 0.194
2002 340.5 0.198
2003 338.8 0.201
2004 337.1 0.203
2005 335.5 0.206
2006 333.8 0.207
2007 332.3 0.209
2008 330.7 0.209
2009 329.1 0.209
2010 327.5 0.209
2011 325.9 0.207
2012 324.3 0.205
2013 322.6 0.202
2014 320.9 0.199
2015 319.1 0.194
2016 317.2 0.188
2017 315.2 0.182
2018 313.1 0.174
2019 310.6 0.164
2020 307.9 0.153
2021 304.7 0.141
2022 300.9 0.126
2023 295.8 0.109
2024 288.7 0.089
2025 277.0 0.066
2026 252.5 0.043
2027 197.2 0.033
2028 149.7 0.047
2029 126.8 0.063
2030 111.7 0.072


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



 
 


wds05386%2B3030a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic