13106-3128 RST 1706 (HD 114385)
13h 10m 36.33s -31° 28' 14.4" P.A. 267.00 sep 0.4 mag 9.40,11.34 Sp K0V dist. 51.89 pc (169.27 l.y.)
| Coord 2000 |
13106-3128 |
|
Discov num |
RST1706 |
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Comp |
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Coord arcsec 2000 |
13 10 36.33 -31 28 14.4 |
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| Date first |
1934 |
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Date last |
2021 |
|
Obs |
14 |
|
| Pa first |
252 |
|
Pa last |
267.2 |
|
P.A. Now (θ) |
267.2° |
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| Sep first |
0.5 |
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Sep last |
0.398 |
|
Sep. Now (ρ) |
0.398" |
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| Mag pri |
9.40 |
|
Mag sec |
11.34 |
|
delta mag (ΔM) |
1.94 |
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Spectral class |
K0V (yellow-orange) |
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| Pri motion ra |
-090 |
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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 |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 114385 |
|
Constellation |
Centaurus |
|
SAO |
204192 |
|
HIP |
64292 |
|
| Tycho2 |
7250-01349-1 |
|
Gaia DR2 |
6180801987300666752 |
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HD |
114385 |
|
CD |
CD-3010384 |
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| CP |
CP-30 3610 |
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Distance |
51.89 |
|
Distance ly |
169.27 |
|
ORBITAL ELEMENTS
| Period (P) | 91y | |
Periastron (T) | 1999.66y | ± 0.39 |
Semi-major axis (a) | 0.463a | ± 0.014 |
| Eccentricity (e) | 0.532 | ± 0.0035 |
Inclination (i) | 111.9° | ± 1 |
Longitude of periastron (ω) | 168.6° | ± 2.6 |
| Node (Ω) | 63.4° | ± 1.7 |
Notes | n | |
Reference | Tok2012b | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
245.7 |
0.216 |
| 2001 |
240.1 |
0.219 |
| 2002 |
234.4 |
0.215 |
| 2003 |
228.4 |
0.205 |
| 2004 |
221.5 |
0.191 |
| 2005 |
213.5 |
0.174 |
| 2006 |
203.8 |
0.158 |
| 2007 |
192.0 |
0.145 |
| 2008 |
178.4 |
0.137 |
| 2009 |
163.7 |
0.135 |
| 2010 |
149.5 |
0.141 |
| 2011 |
137.0 |
0.153 |
| 2012 |
126.7 |
0.170 |
| 2013 |
118.4 |
0.191 |
| 2014 |
111.8 |
0.213 |
| 2015 |
106.5 |
0.237 |
| 2016 |
102.2 |
0.262 |
| 2017 |
98.6 |
0.286 |
| 2018 |
95.6 |
0.310 |
| 2019 |
93.0 |
0.334 |
| 2020 |
90.8 |
0.358 |
| 2021 |
88.8 |
0.381 |
| 2022 |
87.1 |
0.403 |
| 2023 |
85.5 |
0.425 |
| 2024 |
84.1 |
0.446 |
| 2025 |
82.8 |
0.466 |
| 2026 |
81.6 |
0.485 |
| 2027 |
80.5 |
0.504 |
| 2028 |
79.5 |
0.522 |
| 2029 |
78.6 |
0.539 |
| 2030 |
77.7 |
0.555 |
|
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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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