09466-4955 HDS 1414 (HD 84847)

 
 
09h 46m 36.02s -49° 55' 00.3" P.A. 273.00 sep 0.1 mag 9.18,10.42 Sp G5IV dist. 146.41 pc (477.59 l.y.)
 
 
Coord 2000 09466-4955 Discov num HDS1414 Comp Coord arcsec 2000 09 46 36.02 -49 55 00.3
Date first 1991 Date last 2022 Obs 17
Pa first 337 Pa last 273.2 P.A. Now (θ) 261°
Sep first 0.2 Sep last 0.067 Sep. Now (ρ) 0.049"
Mag pri 9.18 Mag sec 10.42 delta mag (ΔM) 1.24 Spectral class G5IV (yellow)
Pri motion ra -014 Sec motion ra
Pri motion dec +029 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 84847 Constellation Vela SAO 221487 HIP 47969
Tycho2 8189-01055-1 Gaia DR2 5406004833610403072 HD 84847 CD CD-49 4673
CP CP-49 2772 Distance 146.41 Distance ly 477.59
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)71.9y Periastron (T)2019.2y Semi-major axis (a)0.16a
Eccentricity (e)0.8 Inclination (i)66.4° Longitude of periastron (ω)239.9°
Node (Ω)289.7° Notes ReferenceTok2018b
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 350.2 0.109
2001 352.9 0.105
2002 355.9 0.100
2003 359.1 0.095
2004 2.7 0.091
2005 6.6 0.086
2006 11.0 0.082
2007 15.8 0.078
2008 21.2 0.074
2009 27.1 0.070
2010 33.6 0.067
2011 40.7 0.065
2012 48.3 0.063
2013 56.3 0.061
2014 64.7 0.060
2015 73.5 0.059
2016 82.8 0.057
2017 92.9 0.053
2018 105.5 0.045
2019 131.5 0.025
2020 245.7 0.021
2021 275.8 0.049
2022 284.2 0.073
2023 288.8 0.092
2024 291.9 0.107
2025 294.3 0.120
2026 296.2 0.131
2027 297.9 0.141
2028 299.3 0.149
2029 300.6 0.156
2030 301.9 0.163
2031 303.0 0.168
2032 304.0 0.173
2033 305.0 0.177
2034 306.0 0.181
2035 306.9 0.184
2036 307.8 0.187
2037 308.7 0.189
2038 309.5 0.191
2039 310.4 0.192
2040 311.2 0.193
2041 312.0 0.194
2042 312.9 0.194
2043 313.7 0.194
2044 314.5 0.194
2045 315.3 0.194
2046 316.1 0.193
2047 317.0 0.192
2048 317.8 0.191
2049 318.7 0.189
2050 319.5 0.187


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds09466-4955b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic

 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)158y± 15.2 Periastron (T)2019.01y± 0.19 Semi-major axis (a)0.242a± 0.01
Eccentricity (e)0.84 Inclination (i)66°± 1.5 Longitude of periastron (ω)288.2°± 2.4
Node (Ω)283.5°± 2.9 Notes ReferenceTok2021f
Equinox Last observation2020 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 84.8 0.201
2001 85.6 0.197
2002 86.4 0.192
2003 87.2 0.188
2004 88.0 0.183
2005 88.9 0.178
2006 89.9 0.172
2007 90.9 0.166
2008 92.1 0.159
2009 93.3 0.152
2010 94.6 0.143
2011 96.2 0.135
2012 97.9 0.125
2013 100.0 0.114
2014 102.5 0.101
2015 105.9 0.086
2016 110.8 0.069
2017 119.5 0.049
2018 143.2 0.025
2019 231.6 0.019
2020 271.2 0.040
2021 283.8 0.057
2022 291.3 0.069
2023 296.9 0.077
2024 301.5 0.083
2025 305.5 0.087
2026 309.2 0.091
2027 312.7 0.094
2028 315.9 0.097
2029 318.9 0.099
2030 321.9 0.101
2031 324.7 0.103
2032 327.4 0.105
2033 330.0 0.107
2034 332.6 0.108
2035 335.1 0.110
2036 337.5 0.111
2037 339.9 0.113
2038 342.1 0.114
2039 344.4 0.116
2040 346.6 0.117
2041 348.7 0.119
2042 350.7 0.120
2043 352.7 0.122
2044 354.7 0.123
2045 356.6 0.125
2046 358.5 0.127
2047 0.3 0.128
2048 2.0 0.130
2049 3.7 0.132
2050 5.4 0.134


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds09466-4955c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic