09156-1036 MTG 2
09h 15m 36.40s -10° 35' 47.2" P.A. 45.00 sep 0.1 mag 14.30,14.80 Sp M4.5V
Coord 2000 |
09156-1036 |
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Discov num |
MTG 2 |
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Comp |
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Coord arcsec 2000 |
09 15 36.40 -10 35 47.2 |
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Date first |
2003 |
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Date last |
2021 |
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Obs |
30 |
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Pa first |
262 |
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Pa last |
44.6 |
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P.A. Now (θ) |
318.9° |
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Sep first |
0.1 |
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Sep last |
0.133 |
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Sep. Now (ρ) |
0.183" |
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Mag pri |
14.30 |
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Mag sec |
14.80 |
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delta mag (ΔM) |
0.5 |
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Spectral class |
M4.5V (red) |
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Pri motion ra |
-395 |
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Sec motion ra |
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Pri motion dec |
-193 |
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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
ORBITAL ELEMENTS
Period (P) | 5.0936y | ± 0.0092 |
Periastron (T) | 2014.122y | ± 0.038 |
Semi-major axis (a) | 0.198a | ± 0.003 |
Eccentricity (e) | 0.459 | ± 0.013 |
Inclination (i) | 116.6° | ± 1.7 |
Longitude of periastron (ω) | 272.6° | ± 3.4 |
Node (Ω) | 114.1° | ± 1.3 |
Notes | n | |
Reference | Msn2021a | |
Equinox | | |
Last observation | 2021 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
90.6 |
0.176 |
2001 |
43.5 |
0.133 |
2002 |
343.2 |
0.153 |
2003 |
306.8 |
0.185 |
2004 |
170.6 |
0.056 |
2005 |
93.9 |
0.177 |
2006 |
49.2 |
0.136 |
2007 |
347.8 |
0.148 |
2008 |
309.8 |
0.186 |
2009 |
211.8 |
0.048 |
2010 |
97.2 |
0.178 |
2011 |
54.7 |
0.140 |
2012 |
352.7 |
0.143 |
2013 |
312.8 |
0.186 |
2014 |
247.6 |
0.063 |
2015 |
100.5 |
0.177 |
2016 |
59.8 |
0.144 |
2017 |
357.9 |
0.139 |
2018 |
315.8 |
0.185 |
2019 |
266.8 |
0.086 |
2020 |
103.8 |
0.174 |
2021 |
64.6 |
0.148 |
2022 |
3.3 |
0.136 |
2023 |
318.9 |
0.183 |
2024 |
277.6 |
0.110 |
2025 |
107.3 |
0.169 |
2026 |
69.2 |
0.153 |
2027 |
9.1 |
0.133 |
2028 |
322.0 |
0.179 |
2029 |
284.7 |
0.130 |
2030 |
111.1 |
0.161 |
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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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