04063+1952 BAG 4 (HD 25811)

 
 
04h 06m 16.41s +19° 52' 28.5" P.A. 42.00 sep 0.1 mag 8.90,9.10 Sp F0
 
 
Coord 2000 04063+1952 Discov num BAG   4 Comp Coord arcsec 2000 04 06 16.41 +19 52 28.5
Date first 1984 Date last 2021 Obs 25
Pa first 81 Pa last 41.9 P.A. Now (θ) 14.3°
Sep first 0.1 Sep last 0.07 Sep. Now (ρ) 0.061"
Mag pri 8.90 Mag sec 9.10 delta mag (ΔM) 0.2 Spectral class F0 (yellow-white)
Pri motion ra +007 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 HD 25811 Constellation Taurus SAO 93759 Tycho2 1258-00022-1
Gaia DR2 51862730828578176 HD 25811
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)30.68y Periastron (T)1990.96y Semi-major axis (a)0.079a
Eccentricity (e)0.045 Inclination (i)128° Longitude of periastron (ω)32°
Node (Ω)50° Notesn ReferenceBag2001
Equinox Last observation1997 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 254.9 0.071
2001 246.5 0.076
2002 239.1 0.080
2003 232.2 0.082
2004 225.5 0.082
2005 218.7 0.080
2006 211.3 0.076
2007 203.1 0.071
2008 193.5 0.066
2009 181.9 0.059
2010 167.8 0.054
2011 151.2 0.051
2012 133.1 0.050
2013 115.6 0.052
2014 100.1 0.056
2015 87.3 0.062
2016 76.5 0.067
2017 67.3 0.072
2018 59.0 0.075
2019 51.1 0.076
2020 43.2 0.075
2021 34.8 0.072
2022 25.4 0.067
2023 14.3 0.061
2024 0.6 0.054
2025 343.7 0.050
2026 324.3 0.047
2027 304.6 0.049
2028 287.2 0.053
2029 272.9 0.060
2030 261.5 0.066


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



 
 


wds04063%2B1952a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)15.89y± 0.12 Periastron (T)2012.25y± 0.39 Semi-major axis (a)0.0959a± 0.0025
Eccentricity (e)0.921± 0.01 Inclination (i)114° Longitude of periastron (ω)266.4°± 2.7
Node (Ω)133.6°± 8.6 Notesn ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 78.0 0.070
2001 71.5 0.073
2002 65.6 0.075
2003 59.8 0.076
2004 54.1 0.076
2005 48.3 0.075
2006 42.3 0.073
2007 35.8 0.070
2008 28.6 0.066
2009 20.4 0.061
2010 10.4 0.054
2011 356.8 0.044
2012 328.6 0.023
2013 107.0 0.041
2014 93.3 0.056
2015 84.4 0.065
2016 77.2 0.070
2017 70.9 0.074
2018 64.9 0.075
2019 59.2 0.076
2020 53.5 0.076
2021 47.7 0.075
2022 41.6 0.072
2023 35.0 0.069
2024 27.8 0.065
2025 19.4 0.060
2026 9.2 0.053
2027 354.9 0.043
2028 319.7 0.017
2029 105.0 0.043
2030 92.2 0.058


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



 
 


wds04063%2B1952b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic