13140-4849 RST 628 (HD 114854)
13h 13m 58.84s -48° 49' 03.0" P.A. 7.00 sep 0.1 mag 9.11,9.56 Sp F0III/IV dist. 310.56 pc (1013.05 l.y.)
| Coord 2000 |
13140-4849 |
|
Discov num |
RST 628 |
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Comp |
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Coord arcsec 2000 |
13 13 58.84 -48 49 03.0 |
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| Date first |
1930 |
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Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
239 |
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Pa last |
6.9 |
|
P.A. Now (θ) |
6.9° |
|
| Sep first |
0.3 |
|
Sep last |
0.095 |
|
Sep. Now (ρ) |
0.095" |
|
| Mag pri |
9.11 |
|
Mag sec |
9.56 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
F0III/IV (yellow-white) |
|
| Pri motion ra |
-013 |
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Sec motion ra |
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| Pri motion dec |
-005 |
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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 114854 |
|
Constellation |
Centaurus |
|
SAO |
223988 |
|
HIP |
64558 |
|
| Tycho2 |
8255-01614-1 |
|
Gaia DR2 |
6082068248315262208 |
|
HD |
114854 |
|
CD |
CD-48 8036 |
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| CP |
CP-48 5397 |
|
Distance |
310.56 |
|
Distance ly |
1013.05 |
|
ORBITAL ELEMENTS
| Period (P) | 212.35y | |
Periastron (T) | 2013.447y | |
Semi-major axis (a) | 0.198a | |
| Eccentricity (e) | 0.644 | |
Inclination (i) | 180° | |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 71.4° | |
Notes | n | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
163.8 |
0.119 |
| 2001 |
160.1 |
0.114 |
| 2002 |
156.0 |
0.109 |
| 2003 |
151.6 |
0.104 |
| 2004 |
146.7 |
0.100 |
| 2005 |
141.3 |
0.095 |
| 2006 |
135.3 |
0.090 |
| 2007 |
128.8 |
0.086 |
| 2008 |
121.6 |
0.082 |
| 2009 |
113.7 |
0.078 |
| 2010 |
105.1 |
0.075 |
| 2011 |
95.8 |
0.073 |
| 2012 |
86.1 |
0.071 |
| 2013 |
76.0 |
0.071 |
| 2014 |
65.7 |
0.071 |
| 2015 |
55.7 |
0.072 |
| 2016 |
45.9 |
0.073 |
| 2017 |
36.8 |
0.076 |
| 2018 |
28.2 |
0.079 |
| 2019 |
20.4 |
0.082 |
| 2020 |
13.3 |
0.086 |
| 2021 |
6.8 |
0.091 |
| 2022 |
0.9 |
0.095 |
| 2023 |
355.6 |
0.100 |
| 2024 |
350.8 |
0.105 |
| 2025 |
346.3 |
0.110 |
| 2026 |
342.3 |
0.115 |
| 2027 |
338.6 |
0.120 |
| 2028 |
335.2 |
0.125 |
| 2029 |
332.0 |
0.129 |
| 2030 |
329.1 |
0.134 |
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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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