03125+1857 HDS 408 (HD 19895)

 
 
03h 12m 32.90s +18° 56' 37.1" P.A. 315.00 sep 0.0 mag 9.14,9.45 Sp G5 dist. 94.34 pc (307.74 l.y.)
 
 
Coord 2000 03125+1857 Discov num HDS 408 Comp Coord arcsec 2000 03 12 32.90 +18 56 37.1
Date first 1991 Date last 2023 Obs 32
Pa first 163 Pa last 314.7 P.A. Now (θ) 7.5° (calc)
Sep first 0.1 Sep last 0.032 Sep. Now (ρ) 0.054" (calc)
Mag pri 9.14 Mag sec 9.45 delta mag (ΔM) 0.31 Spectral class G5 (yellow)
Pri motion ra +012 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 19895 Constellation Aries SAO 93336 HIP 14929
Tycho2 1240-00868-1 Gaia DR2 59032508713243008 HD 19895 BD BD+18 430
Distance 94.34 Distance ly 307.74
 
 
ORBITAL ELEMENTS
 
 
Period (P)9.61y± 0.02 Periastron (T)2005.81y± 0.04 Semi-major axis (a)60.8m± 0.8
Eccentricity (e)0.812± 0.04 Inclination (i)115°± 1 Longitude of periastron (ω)215.4°± 0.7
Node (Ω)365.4°± 0.5 Notes ReferenceMit2024
Equinox2000 Last observation2023 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 352.4 0.096
2001 348.7 0.094
2002 344.5 0.085
2003 338.8 0.070
2004 328.9 0.049
2005 296.6 0.022
2006 44.6 0.011
2007 5.3 0.062
2008 358.9 0.084
2009 354.7 0.094
2010 351.0 0.096
2011 347.1 0.091
2012 342.5 0.080
2013 335.7 0.062
2014 321.8 0.038
2015 249.9 0.014
2016 14.0 0.037
2017 2.3 0.072
2018 357.2 0.089
2019 353.3 0.096
2020 349.5 0.095
2021 345.5 0.087
2022 340.2 0.074
2023 331.8 0.054
2024 309.2 0.028
2025 178.0 0.011
2026 7.5 0.054
2027 0.0 0.081
2028 355.6 0.093
2029 351.8 0.096
2030 348.0 0.093
2031 343.6 0.083
2032 337.5 0.067
2033 326.2 0.044
2034 281.2 0.018
2035 22.6 0.024
2036 3.9 0.067
2037 358.1 0.087
2038 354.1 0.095
2039 350.4 0.096
2040 346.4 0.090
2041 341.6 0.077
2042 334.1 0.059
2043 317.3 0.034
2044 219.9 0.014
2045 10.6 0.045
2046 1.3 0.076
2047 356.5 0.091
2048 352.6 0.096
2049 348.9 0.094
2050 344.7 0.085


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds03125%2B1857c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic