14462-2111 FIN 309 (17 Lib)
14h 46m 10.92s -21° 10' 32.6" P.A. 24.00 sep 0.1 mag 7.30,7.30 Sp G1V dist. 41.25 pc (134.56 l.y.)
Coord 2000 |
14462-2111 |
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Discov num |
FIN 309 |
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Comp |
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Coord arcsec 2000 |
14 46 10.92 -21 10 32.6 |
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Date first |
1935 |
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Date last |
2021 |
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Obs |
72 |
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Pa first |
127 |
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Pa last |
24.4 |
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P.A. Now (θ) |
92.1° |
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Sep first |
0.3 |
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Sep last |
0.073 |
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Sep. Now (ρ) |
0.18" |
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Mag pri |
7.30 |
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Mag sec |
7.30 |
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delta mag (ΔM) |
0 |
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Spectral class |
G1V (yellow) |
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Pri motion ra |
-058 |
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Sec motion ra |
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Pri motion dec |
-097 |
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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 |
17 Lib |
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Constellation |
Libra |
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SAO |
182858 |
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HIP |
72217 |
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Tycho2 |
6166-00454-1 |
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HD |
129980 |
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HR |
5504 |
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GC |
19873 |
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BD |
BD-20 4087 |
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Flamsteed |
17 Librae |
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Flamsteed name |
17 Lib |
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Distance |
41.25 |
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Distance ly |
134.56 |
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ORBITAL ELEMENTS
Period (P) | 12.929y | ± 0.021 |
Periastron (T) | 1995.249y | ± 0.055 |
Semi-major axis (a) | 0.1814a | ± 0.0021 |
Eccentricity (e) | 0.6428 | ± 0.0051 |
Inclination (i) | 25.9° | ± 2.6 |
Longitude of periastron (ω) | 39.5° | ± 4.7 |
Node (Ω) | 281.9° | ± 4.1 |
Notes | n | |
Reference | Msn2010c | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
125.1 |
0.278 |
2001 |
133.0 |
0.287 |
2002 |
140.7 |
0.285 |
2003 |
148.8 |
0.273 |
2004 |
157.9 |
0.251 |
2005 |
169.3 |
0.219 |
2006 |
185.5 |
0.177 |
2007 |
214.2 |
0.123 |
2008 |
291.6 |
0.068 |
2009 |
56.8 |
0.103 |
2010 |
90.7 |
0.176 |
2011 |
106.3 |
0.226 |
2012 |
117.0 |
0.259 |
2013 |
125.7 |
0.279 |
2014 |
133.5 |
0.287 |
2015 |
141.2 |
0.284 |
2016 |
149.4 |
0.272 |
2017 |
158.6 |
0.249 |
2018 |
170.2 |
0.217 |
2019 |
186.9 |
0.173 |
2020 |
217.2 |
0.119 |
2021 |
301.7 |
0.065 |
2022 |
60.8 |
0.109 |
2023 |
92.1 |
0.180 |
2024 |
107.2 |
0.229 |
2025 |
117.7 |
0.261 |
2026 |
126.3 |
0.280 |
2027 |
134.1 |
0.287 |
2028 |
141.8 |
0.284 |
2029 |
150.0 |
0.270 |
2030 |
159.4 |
0.247 |
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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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