13417-2915 HDS 1922 (HD 119101)
13h 41m 43.92s -29° 15' 25.9" P.A. 70.00 sep 0.2 mag 10.25,10.29 Sp G6V dist. 118.34 pc (386.03 l.y.)
Coord 2000 |
13417-2915 |
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Discov num |
HDS1922 |
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Comp |
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Coord arcsec 2000 |
13 41 43.92 -29 15 25.9 |
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Date first |
1991 |
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Date last |
2018 |
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Obs |
7 |
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Pa first |
275 |
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Pa last |
70 |
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P.A. Now (θ) |
70° |
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Sep first |
0.2 |
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Sep last |
0.212 |
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Sep. Now (ρ) |
0.212" |
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Mag pri |
10.25 |
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Mag sec |
10.29 |
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delta mag (ΔM) |
0.04 |
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Spectral class |
G6V (yellow) |
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Pri motion ra |
-057 |
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Sec motion ra |
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Pri motion dec |
-025 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 119101 |
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Constellation |
Hydra |
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SAO |
181869 |
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HIP |
66818 |
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Tycho2 |
6727-00187-1 |
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Gaia DR2 |
6176184480844292736 |
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HD |
119101 |
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CD |
CD-2810206 |
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CP |
CP-28 4740 |
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Distance |
118.34 |
|
Distance ly |
386.03 |
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ORBITAL ELEMENTS
Period (P) | 88.4y | |
Periastron (T) | 2003.08y | |
Semi-major axis (a) | 0.215a | |
Eccentricity (e) | 0.56 | |
Inclination (i) | 110.4° | |
Longitude of periastron (ω) | 72.7° | |
Node (Ω) | 257.2° | |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
248.5 |
0.100 |
2001 |
241.9 |
0.082 |
2002 |
231.5 |
0.063 |
2003 |
211.3 |
0.044 |
2004 |
171.3 |
0.034 |
2005 |
129.8 |
0.042 |
2006 |
108.8 |
0.062 |
2007 |
98.2 |
0.083 |
2008 |
91.8 |
0.103 |
2009 |
87.5 |
0.121 |
2010 |
84.2 |
0.137 |
2011 |
81.6 |
0.152 |
2012 |
79.4 |
0.164 |
2013 |
77.5 |
0.175 |
2014 |
75.9 |
0.185 |
2015 |
74.3 |
0.193 |
2016 |
72.9 |
0.200 |
2017 |
71.6 |
0.205 |
2018 |
70.3 |
0.210 |
2019 |
69.1 |
0.214 |
2020 |
68.0 |
0.217 |
2021 |
66.8 |
0.220 |
2022 |
65.7 |
0.222 |
2023 |
64.6 |
0.223 |
2024 |
63.5 |
0.223 |
2025 |
62.4 |
0.223 |
2026 |
61.3 |
0.223 |
2027 |
60.2 |
0.222 |
2028 |
59.1 |
0.221 |
2029 |
58.0 |
0.219 |
2030 |
56.9 |
0.217 |
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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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