13344-5931 TOK 403 (HD 117854)
13h 34m 25.41s -59° 30' 44.4" P.A. 152.00 sep 0.0 mag 7.60,10.40 Sp G0V dist. 53.79 pc (175.46 l.y.)
Coord 2000 |
13344-5931 |
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Discov num |
TOK 403 |
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Comp |
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Coord arcsec 2000 |
13 34 25.41 -59 30 44.4 |
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Date first |
2014 |
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Date last |
2021 |
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Obs |
11 |
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Pa first |
314 |
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Pa last |
152.4 |
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P.A. Now (θ) |
152.4° |
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Sep first |
0.1 |
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Sep last |
0.029 |
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Sep. Now (ρ) |
0.029" |
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Mag pri |
7.60 |
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Mag sec |
10.40 |
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delta mag (ΔM) |
2.8 |
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Spectral class |
G0V (yellow) |
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Pri motion ra |
-277 |
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Sec motion ra |
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Pri motion dec |
-184 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 117854 |
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Constellation |
Centaurus |
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SAO |
240951 |
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HIP |
66230 |
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Tycho2 |
8675-02910-1 |
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HD |
117854 |
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GC |
18331 |
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CD |
CD-58 5120 |
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CP |
CP-58 4943 |
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Distance |
53.79 |
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Distance ly |
175.46 |
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ORBITAL ELEMENTS
Period (P) | 18.44y | |
Periastron (T) | 2021.11y | |
Semi-major axis (a) | 0.1441a | |
Eccentricity (e) | 0.385 | |
Inclination (i) | 117.7° | |
Longitude of periastron (ω) | 265.5° | |
Node (Ω) | 77.2° | |
Notes | n | |
Reference | Tok2020e | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
262.2 |
0.126 |
2001 |
249.4 |
0.105 |
2002 |
224.2 |
0.064 |
2003 |
144.3 |
0.044 |
2004 |
96.5 |
0.086 |
2005 |
80.2 |
0.121 |
2006 |
69.9 |
0.137 |
2007 |
61.0 |
0.141 |
2008 |
51.9 |
0.135 |
2009 |
41.6 |
0.124 |
2010 |
29.1 |
0.112 |
2011 |
13.4 |
0.100 |
2012 |
354.6 |
0.093 |
2013 |
334.5 |
0.094 |
2014 |
315.8 |
0.101 |
2015 |
300.3 |
0.112 |
2016 |
287.7 |
0.123 |
2017 |
276.9 |
0.131 |
2018 |
266.9 |
0.130 |
2019 |
255.7 |
0.117 |
2020 |
238.4 |
0.084 |
2021 |
187.5 |
0.043 |
2022 |
109.9 |
0.066 |
2023 |
86.1 |
0.108 |
2024 |
74.1 |
0.132 |
2025 |
64.9 |
0.140 |
2026 |
56.0 |
0.138 |
2027 |
46.4 |
0.129 |
2028 |
34.9 |
0.117 |
2029 |
20.7 |
0.105 |
2030 |
3.2 |
0.096 |
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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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