09466-4955 HDS 1414 (HD 84847)

 
 
09h 46m 36.02s -49° 55' 00.3" P.A. 261.00 sep 0.0 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 2021 Obs 16
Pa first 337 Pa last 261 P.A. Now (θ) 261°
Sep first 0.2 Sep last 0.049 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


 
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


 
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