00521+1036 STF 67 (HD 4936)

 
 
00h 52m 07.59s +10 36' 03.7" P.A. 349.00 sep 2.3 mag 8.98,9.56 Sp F8 dist. 98.62 pc (321.7 l.y.)
 
 
Coord 2000 00521+1036 Discov num STF  67 Comp Coord arcsec 2000 00 52 07.59 +10 36 03.7
Date first 1829 Date last 2018 Obs 113
Pa first 14 Pa last 348.9 P.A. Now (θ) 348.9°
Sep first 1.7 Sep last 2.311 Sep. Now (ρ) 2.311"
Mag pri 8.98 Mag sec 9.56 delta mag (ΔM) 0.58 Spectral class F8 (yellow-white)
Pri motion ra +043 Sec motion ra +043
Pri motion dec -033 Sec motion dec -033
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4936 Constellation Pisces SAO 92126 HIP 4065
Tycho2 0608-00938-1 Gaia DR2 2582605066775095808 HD 4936 GC 1036
ADS 709 BD BD+09 99 Distance 98.62 Distance ly 321.7
 
 
ORBITAL ELEMENTS
 
 
Period (P)41.33c± 53.88 Periastron (T)1741y± 54 Semi-major axis (a)5.982a± 0.085
Eccentricity (e)0.908± 0.078 Inclination (i)113.3°± 11.3 Longitude of periastron (ω)102°± 11.5
Node (Ω)216°± 25 Notes ReferenceHrt2011a
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 351.0 2.242
2001 350.9 2.245
2002 350.8 2.247
2003 350.7 2.250
2004 350.6 2.253
2005 350.5 2.256
2006 350.4 2.258
2007 350.3 2.261
2008 350.2 2.264
2009 350.1 2.266
2010 350.0 2.269
2011 349.9 2.272
2012 349.8 2.274
2013 349.7 2.277
2014 349.6 2.280
2015 349.5 2.282
2016 349.4 2.285
2017 349.3 2.288
2018 349.2 2.290
2019 349.1 2.293
2020 349.0 2.296
2021 348.9 2.298
2022 348.8 2.301
2023 348.7 2.303
2024 348.6 2.306
2025 348.5 2.309
2026 348.4 2.311
2027 348.3 2.314
2028 348.2 2.316
2029 348.2 2.319
2030 348.1 2.321


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



 
 


wds00521%2B1036a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic