09327+0152 FIN 349 (HD 82543)
09h 32m 41.41s +01° 51' 51.3" P.A. 148.00 sep 0.2 mag 6.87,7.12 Sp F7IV-V dist. 116.69 pc (380.64 l.y.)
Coord 2000 |
09327+0152 |
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Discov num |
FIN 349 |
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Comp |
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Coord arcsec 2000 |
09 32 41.41 +01 51 51.3 |
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Date first |
1959 |
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Date last |
2021 |
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Obs |
64 |
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Pa first |
253 |
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Pa last |
147.7 |
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P.A. Now (θ) |
155.1° |
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Sep first |
0.1 |
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Sep last |
0.16 |
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Sep. Now (ρ) |
0.167" |
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Mag pri |
6.87 |
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Mag sec |
7.12 |
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delta mag (ΔM) |
0.25 |
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Spectral class |
F7IV-V (yellow-white) |
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Pri motion ra |
-020 |
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Sec motion ra |
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Pri motion dec |
-038 |
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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 82543 |
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Constellation |
Hydra |
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SAO |
117757 |
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HIP |
46840 |
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Tycho2 |
0235-02367-1 |
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Gaia DR2 |
3841515476501420928 |
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HD |
82543 |
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HR |
3794 |
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GC |
13172 |
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BD |
BD+02 2217 |
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FK5 |
2758 |
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Distance |
116.69 |
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Distance ly |
380.64 |
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ORBITAL ELEMENTS
Period (P) | 40.57y | ± 0.19 |
Periastron (T) | 1972.12y | ± 0.16 |
Semi-major axis (a) | 0.154a | ± 0.001 |
Eccentricity (e) | 0.42 | ± 0.009 |
Inclination (i) | 54.7° | ± 0.6 |
Longitude of periastron (ω) | 72.6° | ± 0.8 |
Node (Ω) | 318.6° | ± 0.6 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
253.8 |
0.121 |
2001 |
261.3 |
0.122 |
2002 |
268.5 |
0.124 |
2003 |
275.6 |
0.126 |
2004 |
282.5 |
0.128 |
2005 |
289.2 |
0.129 |
2006 |
295.9 |
0.128 |
2007 |
302.6 |
0.126 |
2008 |
309.8 |
0.122 |
2009 |
317.7 |
0.114 |
2010 |
327.2 |
0.102 |
2011 |
339.9 |
0.085 |
2012 |
359.4 |
0.066 |
2013 |
31.6 |
0.053 |
2014 |
70.5 |
0.057 |
2015 |
97.6 |
0.074 |
2016 |
113.5 |
0.094 |
2017 |
123.8 |
0.113 |
2018 |
131.3 |
0.129 |
2019 |
137.3 |
0.142 |
2020 |
142.3 |
0.152 |
2021 |
146.9 |
0.159 |
2022 |
151.1 |
0.164 |
2023 |
155.1 |
0.167 |
2024 |
159.0 |
0.168 |
2025 |
163.0 |
0.168 |
2026 |
166.9 |
0.166 |
2027 |
171.0 |
0.163 |
2028 |
175.2 |
0.160 |
2029 |
179.6 |
0.156 |
2030 |
184.3 |
0.151 |
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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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