13574-6229 FIN 370 (HD 121454)
13h 57m 21.48s -62° 29' 19.6" P.A. 350.00 sep 0.1 mag 7.22,7.61 Sp G3III/IV dist. 69.3 pc (226.06 l.y.)
| Coord 2000 |
13574-6229 |
|
Discov num |
FIN 370 |
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Comp |
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Coord arcsec 2000 |
13 57 21.48 -62 29 19.6 |
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| Date first |
1960 |
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Date last |
2021 |
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Obs |
24 |
|
| Pa first |
63 |
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Pa last |
350 |
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P.A. Now (θ) |
311.3° |
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| Sep first |
0.1 |
|
Sep last |
0.102 |
|
Sep. Now (ρ) |
0.102" |
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| Mag pri |
7.22 |
|
Mag sec |
7.61 |
|
delta mag (ΔM) |
0.39 |
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Spectral class |
G3III/IV (yellow) |
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| Pri motion ra |
-132 |
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Sec motion ra |
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| Pri motion dec |
-066 |
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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 121454 |
|
Constellation |
Centaurus |
|
SAO |
252530 |
|
HIP |
68170 |
|
| Tycho2 |
9008-04021-1 |
|
Gaia DR2 |
5866223670437330176 |
|
HD |
121454 |
|
GC |
18837 |
|
| CP |
CP-61 4194 |
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Distance |
69.3 |
|
Distance ly |
226.06 |
|
ORBITAL ELEMENTS
| Period (P) | 18.768y | ± 0.043 |
Periastron (T) | 1968.35y | ± 0.12 |
Semi-major axis (a) | 135.69m | ± 0.89 |
| Eccentricity (e) | 0.2185 | ± 0.0055 |
Inclination (i) | 144.4° | ± 0.88 |
Longitude of periastron (ω) | 181.4° | ± 3.2 |
| Node (Ω) | 90.1° | ± 1.5 |
Notes | n | |
Reference | Mdz2021 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
47.9 |
0.137 |
| 2001 |
31.2 |
0.123 |
| 2002 |
10.3 |
0.110 |
| 2003 |
345.0 |
0.102 |
| 2004 |
317.6 |
0.101 |
| 2005 |
291.2 |
0.105 |
| 2006 |
266.1 |
0.106 |
| 2007 |
240.6 |
0.103 |
| 2008 |
213.3 |
0.100 |
| 2009 |
185.7 |
0.103 |
| 2010 |
161.4 |
0.113 |
| 2011 |
141.8 |
0.127 |
| 2012 |
126.2 |
0.142 |
| 2013 |
113.4 |
0.154 |
| 2014 |
102.2 |
0.162 |
| 2015 |
91.7 |
0.165 |
| 2016 |
81.4 |
0.164 |
| 2017 |
70.6 |
0.158 |
| 2018 |
58.6 |
0.147 |
| 2019 |
44.4 |
0.134 |
| 2020 |
26.8 |
0.119 |
| 2021 |
4.8 |
0.107 |
| 2022 |
338.7 |
0.101 |
| 2023 |
311.3 |
0.102 |
| 2024 |
285.3 |
0.105 |
| 2025 |
260.3 |
0.106 |
| 2026 |
234.4 |
0.102 |
| 2027 |
206.8 |
0.100 |
| 2028 |
179.7 |
0.105 |
| 2029 |
156.4 |
0.116 |
| 2030 |
137.9 |
0.131 |
|
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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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