14383-4954 FIN 371 (HD 128415)
14h 38m 17.68s -49° 54' 03.9" P.A. 127.00 sep 0.0 mag 7.40,7.40 Sp A0IV dist. 236.41 pc (771.17 l.y.)
Coord 2000 |
14383-4954 |
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Discov num |
FIN 371 |
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Comp |
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Coord arcsec 2000 |
14 38 17.68 -49 54 03.9 |
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Date first |
1960 |
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Date last |
2021 |
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Obs |
35 |
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Pa first |
51 |
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Pa last |
126.6 |
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P.A. Now (θ) |
92.1° |
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Sep first |
0.1 |
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Sep last |
0.031 |
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Sep. Now (ρ) |
0.042" |
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Mag pri |
7.40 |
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Mag sec |
7.40 |
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delta mag (ΔM) |
0 |
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Spectral class |
A0IV (white) |
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Pri motion ra |
-017 |
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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 |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 128415 |
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Constellation |
Lupus |
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SAO |
225078 |
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HIP |
71577 |
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Tycho2 |
8287-01574-1 |
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Gaia DR2 |
5899332130206748544 |
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HD |
128415 |
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GC |
19702 |
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CD |
CD-49 8904 |
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CP |
CP-49 7179 |
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Distance |
236.41 |
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Distance ly |
771.17 |
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ORBITAL ELEMENTS
Period (P) | 51.6y | ± 3.3 |
Periastron (T) | 2015.5y | ± 1.3 |
Semi-major axis (a) | 0.099a | ± 0.004 |
Eccentricity (e) | 0.201 | ± 0.027 |
Inclination (i) | 108° | ± 1.1 |
Longitude of periastron (ω) | 38° | ± 10.7 |
Node (Ω) | 233.8° | ± 1.3 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
323.9 |
0.034 |
2001 |
305.7 |
0.034 |
2002 |
289.7 |
0.038 |
2003 |
277.2 |
0.044 |
2004 |
267.7 |
0.050 |
2005 |
260.5 |
0.057 |
2006 |
254.8 |
0.064 |
2007 |
250.1 |
0.070 |
2008 |
246.2 |
0.075 |
2009 |
242.7 |
0.079 |
2010 |
239.5 |
0.082 |
2011 |
236.4 |
0.083 |
2012 |
233.4 |
0.082 |
2013 |
230.2 |
0.079 |
2014 |
226.7 |
0.074 |
2015 |
222.6 |
0.068 |
2016 |
217.5 |
0.060 |
2017 |
210.8 |
0.051 |
2018 |
200.9 |
0.041 |
2019 |
185.5 |
0.033 |
2020 |
161.3 |
0.027 |
2021 |
131.5 |
0.027 |
2022 |
107.4 |
0.033 |
2023 |
92.1 |
0.042 |
2024 |
82.5 |
0.052 |
2025 |
76.0 |
0.062 |
2026 |
71.3 |
0.071 |
2027 |
67.7 |
0.080 |
2028 |
64.8 |
0.088 |
2029 |
62.3 |
0.095 |
2030 |
60.1 |
0.101 |
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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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