05202+4105 HDS 701 (HD 34557)

 
 
05h 20m 14.68s +41° 05' 10.8" P.A. 237.00 sep 0.1 mag 5.58,8.55 Sp A3V dist. 84.96 pc (277.14 l.y.)
 
 
Coord 2000 05202+4105 Discov num HDS 701 Comp Coord arcsec 2000 05 20 14.68 +41 05 10.8
Date first 1991 Date last 2011 Obs 10
Pa first 48 Pa last 236.6 P.A. Now (θ) 236.6°
Sep first 0.4 Sep last 0.057 Sep. Now (ρ) 0.057"
Mag pri 5.58 Mag sec 8.55 delta mag (ΔM) 2.97 Spectral class A3V (white)
Pri motion ra -018 Sec motion ra
Pri motion dec -052 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 34557 Constellation Auriga SAO 40248 HIP 24902
Tycho2 2913-02360-1 Gaia DR2 194864182347584512 HD 34557 HR 1738
GC 6516 BD BD+40 1253 Distance 84.96 Distance ly 277.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)105.887y± 0.995 Periastron (T)2011.398y± 0.949 Semi-major axis (a)0.3914a± 0.0153
Eccentricity (e)0.817± 0.048 Inclination (i)60.8°± 1.1 Longitude of periastron (ω)100.2°± 1.9
Node (Ω)83.2°± 0.8 Notes ReferenceCve2020b
Equinox2000 Last observation2011 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 59.6 0.297
2001 61.3 0.287
2002 63.2 0.276
2003 65.2 0.263
2004 67.4 0.248
2005 70.0 0.231
2006 73.0 0.212
2007 76.6 0.189
2008 81.4 0.162
2009 88.4 0.128
2010 101.7 0.085
2011 148.7 0.039
2012 236.1 0.060
2013 259.3 0.103
2014 269.8 0.133
2015 276.8 0.155
2016 282.3 0.172
2017 286.8 0.185
2018 290.9 0.196
2019 294.5 0.206
2020 297.8 0.214
2021 300.9 0.221
2022 303.8 0.228
2023 306.6 0.233
2024 309.2 0.239
2025 311.7 0.244
2026 314.1 0.249
2027 316.5 0.253
2028 318.7 0.258
2029 320.9 0.262
2030 323.0 0.266


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



 
 


wds05202%2B4105b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic