00460-3043 HDS 100 AB (HD 4390)

 
 
00h 45m 57.30s -30° 42' 33.4" P.A. 222.00 sep 0.1 mag 8.30,9.00 Sp F8V dist. 152.91 pc (498.79 l.y.)
 
 
Coord 2000 00460-3043 Discov num HDS 100 Comp AB Coord arcsec 2000 00 45 57.30 -30 42 33.4
Date first 1991 Date last 2022 Obs 12
Pa first 351 Pa last 221.5 P.A. Now (θ) 224.7°
Sep first 0.1 Sep last 0.057 Sep. Now (ρ) 0.061"
Mag pri 8.30 Mag sec 9.00 delta mag (ΔM) 0.7 Spectral class F8V (yellow-white)
Pri motion ra +000 Sec motion ra
Pri motion dec +014 Sec motion dec
Notes O W (Orbital solution, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4390 Constellation Sculptor SAO 192721 HIP 3592
Tycho2 6998-01060-1 HD 4390 CD CD-31 282 CP CP-31 79
Distance 152.91 Distance ly 498.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)62.65y Periastron (T)2024.605y Semi-major axis (a)0.179a
Eccentricity (e)0.83 Inclination (i)103.8° Longitude of periastron (ω)247.5°
Node (Ω)27.9° Notes ReferenceTok2023e
Equinox2000 Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 348.0 0.114
2001 346.0 0.108
2002 343.8 0.103
2003 341.4 0.098
2004 338.8 0.093
2005 335.8 0.088
2006 332.4 0.083
2007 328.6 0.078
2008 324.3 0.073
2009 319.4 0.069
2010 313.9 0.065
2011 307.7 0.061
2012 300.8 0.058
2013 293.2 0.056
2014 285.0 0.054
2015 276.5 0.053
2016 267.9 0.054
2017 259.5 0.055
2018 251.5 0.056
2019 243.9 0.058
2020 236.8 0.060
2021 230.1 0.061
2022 223.5 0.060
2023 216.3 0.055
2024 205.4 0.038
2025 64.2 0.013
2026 32.6 0.056
2027 27.5 0.084
2028 24.8 0.105
2029 22.8 0.120
2030 21.3 0.133
2031 20.0 0.143
2032 18.9 0.151
2033 17.9 0.158
2034 16.9 0.163
2035 16.0 0.168
2036 15.2 0.171
2037 14.3 0.174
2038 13.5 0.176
2039 12.8 0.178
2040 12.0 0.179
2041 11.2 0.179
2042 10.5 0.179
2043 9.7 0.179
2044 8.9 0.178
2045 8.1 0.176
2046 7.3 0.175
2047 6.5 0.173
2048 5.7 0.171
2049 4.9 0.168
2050 4.0 0.166


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00460-3043b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic