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 |
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Discov num |
HDS1414 |
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Comp |
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Coord arcsec 2000 |
09 46 36.02 -49 55 00.3 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
16 |
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Pa first |
337 |
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Pa last |
261 |
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P.A. Now (θ) |
261° |
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Sep first |
0.2 |
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Sep last |
0.049 |
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Sep. Now (ρ) |
0.049" |
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Mag pri |
9.18 |
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Mag sec |
10.42 |
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delta mag (ΔM) |
1.24 |
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Spectral class |
G5IV (yellow) |
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Pri motion ra |
-014 |
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Sec motion ra |
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Pri motion dec |
+029 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 84847 |
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Constellation |
Vela |
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SAO |
221487 |
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HIP |
47969 |
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Tycho2 |
8189-01055-1 |
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Gaia DR2 |
5406004833610403072 |
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HD |
84847 |
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CD |
CD-49 4673 |
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CP |
CP-49 2772 |
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Distance |
146.41 |
|
Distance ly |
477.59 |
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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 | | |
Reference | Tok2018b | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (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 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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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 | | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2020 | |
Grade | 5 | (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 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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