13000-4123 I 1224 (HD 112833)
12h 59m 59.05s -41° 23' 27.0" P.A. 122.00 sep 0.1 mag 8.10,8.30 Sp F3/5V
Coord 2000 |
13000-4123 |
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Discov num |
I 1224 |
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Comp |
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Coord arcsec 2000 |
12 59 59.05 -41 23 27.0 |
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Date first |
1925 |
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Date last |
2021 |
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Obs |
20 |
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Pa first |
337 |
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Pa last |
121.6 |
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P.A. Now (θ) |
126.6° |
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Sep first |
0.3 |
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Sep last |
0.113 |
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Sep. Now (ρ) |
0.117" |
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Mag pri |
8.10 |
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Mag sec |
8.30 |
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delta mag (ΔM) |
0.2 |
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Spectral class |
F3/5V (yellow-white) |
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Pri motion ra |
-065 |
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Sec motion ra |
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Pri motion dec |
-012 |
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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 112833 |
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Constellation |
Centaurus |
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SAO |
223823 |
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Tycho2 |
7780-00867-1 |
|
Gaia DR2 |
6139368815754539136 |
|
HD |
112833 |
|
GC |
17634 |
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ORBITAL ELEMENTS
Period (P) | 183.749y | |
Periastron (T) | 2052.11y | |
Semi-major axis (a) | 0.243a | |
Eccentricity (e) | 0.38 | |
Inclination (i) | 73° | |
Longitude of periastron (ω) | 37.9° | |
Node (Ω) | 156.7° | |
Notes | n | |
Reference | Tok2018e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
34.6 |
0.099 |
2001 |
37.9 |
0.095 |
2002 |
41.5 |
0.091 |
2003 |
45.4 |
0.088 |
2004 |
49.5 |
0.086 |
2005 |
53.9 |
0.083 |
2006 |
58.6 |
0.081 |
2007 |
63.4 |
0.080 |
2008 |
68.3 |
0.079 |
2009 |
73.4 |
0.079 |
2010 |
78.4 |
0.079 |
2011 |
83.4 |
0.080 |
2012 |
88.3 |
0.081 |
2013 |
92.9 |
0.083 |
2014 |
97.4 |
0.085 |
2015 |
101.6 |
0.087 |
2016 |
105.6 |
0.090 |
2017 |
109.3 |
0.094 |
2018 |
112.8 |
0.097 |
2019 |
116.0 |
0.101 |
2020 |
118.9 |
0.105 |
2021 |
121.7 |
0.109 |
2022 |
124.2 |
0.113 |
2023 |
126.6 |
0.117 |
2024 |
128.8 |
0.121 |
2025 |
130.9 |
0.125 |
2026 |
132.8 |
0.129 |
2027 |
134.6 |
0.133 |
2028 |
136.4 |
0.137 |
2029 |
138.0 |
0.141 |
2030 |
139.5 |
0.144 |
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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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