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 |
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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 |
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Obs |
15 |
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Pa first |
239 |
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Pa last |
6.9 |
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P.A. Now (θ) |
6.9° |
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Sep first |
0.3 |
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Sep last |
0.095 |
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Sep. Now (ρ) |
0.095" |
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Mag pri |
9.11 |
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Mag sec |
9.56 |
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delta mag (ΔM) |
0.45 |
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Spectral class |
F0III/IV (yellow-white) |
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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 |
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Constellation |
Centaurus |
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SAO |
223988 |
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HIP |
64558 |
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Tycho2 |
8255-01614-1 |
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Gaia DR2 |
6082068248315262208 |
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HD |
114854 |
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CD |
CD-48 8036 |
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CP |
CP-48 5397 |
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Distance |
310.56 |
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Distance ly |
1013.05 |
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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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