13117-2633 FIN 305 (HD 114576)
13h 11m 39.24s -26° 33' 06.2" P.A. 65.00 sep 0.1 mag 7.20,7.43 Sp A5Vn dist. 110.62 pc (360.84 l.y.)
Coord 2000 |
13117-2633 |
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Discov num |
FIN 305 |
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Comp |
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Coord arcsec 2000 |
13 11 39.24 -26 33 06.2 |
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Date first |
1933 |
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Date last |
2021 |
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Obs |
58 |
|
Pa first |
96 |
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Pa last |
65.1 |
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P.A. Now (θ) |
124° |
|
Sep first |
0.2 |
|
Sep last |
0.071 |
|
Sep. Now (ρ) |
0.057" |
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Mag pri |
7.20 |
|
Mag sec |
7.43 |
|
delta mag (ΔM) |
0.23 |
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Spectral class |
A5Vn (white) |
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Pri motion ra |
-068 |
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Sec motion ra |
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Pri motion dec |
+004 |
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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 114576 |
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Constellation |
Hydra |
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SAO |
181446 |
|
HIP |
64375 |
|
Tycho2 |
6707-01177-1 |
|
Gaia DR2 |
6186776492967556480 |
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HD |
114576 |
|
HR |
4978 |
|
GC |
17861 |
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CD |
CD-25 9653 |
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CP |
CP-25 5109 |
|
FK5 |
1341 |
|
Distance |
110.62 |
|
Distance ly |
360.84 |
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ORBITAL ELEMENTS SOLUTION #1
Period (P) | 19.97y | |
Periastron (T) | 2022.103y | |
Semi-major axis (a) | 0.095a | |
Eccentricity (e) | 0.941 | |
Inclination (i) | 180° | |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 273.4° | |
Notes | n | |
Reference | Tok2018i | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
74.4 |
0.099 |
2001 |
66.2 |
0.067 |
2002 |
19.7 |
0.015 |
2003 |
124.5 |
0.056 |
2004 |
114.0 |
0.091 |
2005 |
108.9 |
0.117 |
2006 |
105.5 |
0.136 |
2007 |
102.8 |
0.152 |
2008 |
100.6 |
0.164 |
2009 |
98.7 |
0.173 |
2010 |
96.9 |
0.179 |
2011 |
95.2 |
0.183 |
2012 |
93.6 |
0.184 |
2013 |
92.0 |
0.183 |
2014 |
90.3 |
0.180 |
2015 |
88.6 |
0.174 |
2016 |
86.7 |
0.166 |
2017 |
84.5 |
0.155 |
2018 |
82.0 |
0.140 |
2019 |
78.8 |
0.122 |
2020 |
74.2 |
0.098 |
2021 |
65.8 |
0.066 |
2022 |
10.7 |
0.012 |
2023 |
124.0 |
0.057 |
2024 |
113.8 |
0.092 |
2025 |
108.8 |
0.117 |
2026 |
105.4 |
0.137 |
2027 |
102.8 |
0.152 |
2028 |
100.6 |
0.164 |
2029 |
98.6 |
0.173 |
2030 |
96.8 |
0.179 |
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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) | 40.7y | |
Periastron (T) | 2006.5y | |
Semi-major axis (a) | 0.219a | |
Eccentricity (e) | 0.045 | |
Inclination (i) | 98.6° | |
Longitude of periastron (ω) | 304.5° | |
Node (Ω) | 93.3° | |
Notes | n | |
Reference | Doc2020d | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
257.3 |
0.103 |
2001 |
248.8 |
0.073 |
2002 |
229.1 |
0.045 |
2003 |
178.3 |
0.032 |
2004 |
132.6 |
0.049 |
2005 |
115.7 |
0.077 |
2006 |
108.0 |
0.107 |
2007 |
103.6 |
0.135 |
2008 |
100.7 |
0.159 |
2009 |
98.5 |
0.180 |
2010 |
96.7 |
0.196 |
2011 |
95.2 |
0.207 |
2012 |
93.7 |
0.212 |
2013 |
92.3 |
0.213 |
2014 |
90.9 |
0.208 |
2015 |
89.4 |
0.197 |
2016 |
87.6 |
0.183 |
2017 |
85.5 |
0.164 |
2018 |
82.8 |
0.141 |
2019 |
78.9 |
0.116 |
2020 |
72.7 |
0.089 |
2021 |
61.1 |
0.061 |
2022 |
33.8 |
0.039 |
2023 |
342.8 |
0.036 |
2024 |
309.9 |
0.056 |
2025 |
296.2 |
0.083 |
2026 |
289.2 |
0.110 |
2027 |
285.0 |
0.136 |
2028 |
282.2 |
0.160 |
2029 |
280.0 |
0.181 |
2030 |
278.2 |
0.198 |
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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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