13310-3924 SEE 179 (NSV6283)
13h 31m 02.67s -39° 24' 26.2" P.A. 36.00 sep 0.2 mag 4.64,5.03 Sp G9Ib dist. 277.78 pc (906.12 l.y.)
Coord 2000 |
13310-3924 |
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Discov num |
SEE 179 |
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Comp |
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Coord arcsec 2000 |
13 31 02.67 -39 24 26.2 |
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Date first |
1897 |
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Date last |
2020 |
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Obs |
70 |
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Pa first |
103 |
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Pa last |
36 |
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P.A. Now (θ) |
26.9° |
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Sep first |
0.2 |
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Sep last |
0.154 |
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Sep. Now (ρ) |
0.15" |
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Mag pri |
4.64 |
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Mag sec |
5.03 |
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delta mag (ΔM) |
0.39 |
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Spectral class |
G9Ib (yellow) |
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Pri motion ra |
-007 |
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Sec motion ra |
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Pri motion dec |
-010 |
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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
Var name |
NSV6283 |
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Constellation |
Centaurus |
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SAO |
204545 |
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HIP |
65936 |
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Tycho2 |
7792-02393-1 |
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Gaia DR2 |
6161403234933132032 |
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HD |
117440 |
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HR |
5089 |
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GC |
18254 |
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CD |
CD-38 8592 |
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CP |
CP-38 5526 |
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Distance |
277.78 |
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Distance ly |
906.12 |
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ORBITAL ELEMENTS
Period (P) | 83.14y | ± 1.26 |
Periastron (T) | 1956.12y | ± 1.91 |
Semi-major axis (a) | 0.161a | ± 0.004 |
Eccentricity (e) | 0.521 | ± 0.013 |
Inclination (i) | 145.2° | ± 4 |
Longitude of periastron (ω) | 244.4° | ± 3.6 |
Node (Ω) | 146.5° | ± 8.6 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
82.6 |
0.207 |
2001 |
80.7 |
0.206 |
2002 |
78.9 |
0.204 |
2003 |
77.0 |
0.203 |
2004 |
75.0 |
0.201 |
2005 |
73.1 |
0.199 |
2006 |
71.1 |
0.197 |
2007 |
69.0 |
0.195 |
2008 |
66.9 |
0.193 |
2009 |
64.8 |
0.191 |
2010 |
62.6 |
0.188 |
2011 |
60.4 |
0.186 |
2012 |
58.1 |
0.183 |
2013 |
55.7 |
0.181 |
2014 |
53.3 |
0.178 |
2015 |
50.7 |
0.175 |
2016 |
48.1 |
0.172 |
2017 |
45.4 |
0.169 |
2018 |
42.7 |
0.166 |
2019 |
39.8 |
0.163 |
2020 |
36.8 |
0.160 |
2021 |
33.6 |
0.157 |
2022 |
30.4 |
0.153 |
2023 |
26.9 |
0.150 |
2024 |
23.4 |
0.146 |
2025 |
19.6 |
0.143 |
2026 |
15.6 |
0.139 |
2027 |
11.4 |
0.135 |
2028 |
7.0 |
0.131 |
2029 |
2.2 |
0.126 |
2030 |
357.1 |
0.122 |
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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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