07467+2001 RED 9
07h 46m 42.56s +20° 00' 32.2" P.A. 206.00 sep 0.3 mag 12.23,12.83 Sp L0+L1.5
| Coord 2000 |
07467+2001 |
|
Discov num |
RED 9 |
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Comp |
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Coord arcsec 2000 |
07 46 42.56 +20 00 32.2 |
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| Date first |
2000 |
|
Date last |
2009 |
|
Obs |
17 |
|
| Pa first |
169 |
|
Pa last |
206.4 |
|
P.A. Now (θ) |
203.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.348 |
|
Sep. Now (ρ) |
0.344" |
|
| Mag pri |
12.23 |
|
Mag sec |
12.83 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
L0+L1.5 (very deep red/very deep red) |
|
| Pri motion ra |
-370 |
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Sec motion ra |
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| Pri motion dec |
-042 |
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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) | 12.749y | ± 0.031 |
Periastron (T) | 61887d (2028.317y) | ± 24 |
Semi-major axis (a) | 237.16m | ± 0.11 |
| Eccentricity (e) | 0.4856 | ± 0.0003 |
Inclination (i) | 138.68° | ± 0.21 |
Longitude of periastron (ω) | 355.8° | ± 0.6 |
| Node (Ω) | 29.79° | ± 0.3 |
Notes | n | |
Reference | Dup2017 | |
| Equinox | | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
174.4 |
0.240 |
| 2001 |
149.0 |
0.170 |
| 2002 |
93.8 |
0.119 |
| 2003 |
20.3 |
0.122 |
| 2004 |
312.1 |
0.132 |
| 2005 |
268.7 |
0.188 |
| 2006 |
247.0 |
0.252 |
| 2007 |
233.5 |
0.303 |
| 2008 |
223.3 |
0.336 |
| 2009 |
214.6 |
0.351 |
| 2010 |
206.1 |
0.348 |
| 2011 |
197.0 |
0.325 |
| 2012 |
185.8 |
0.284 |
| 2013 |
169.5 |
0.223 |
| 2014 |
139.0 |
0.153 |
| 2015 |
74.7 |
0.117 |
| 2016 |
2.8 |
0.122 |
| 2017 |
298.1 |
0.143 |
| 2018 |
262.0 |
0.205 |
| 2019 |
243.1 |
0.267 |
| 2020 |
230.7 |
0.313 |
| 2021 |
221.1 |
0.342 |
| 2022 |
212.5 |
0.352 |
| 2023 |
203.9 |
0.344 |
| 2024 |
194.4 |
0.317 |
| 2025 |
182.4 |
0.270 |
| 2026 |
163.9 |
0.206 |
| 2027 |
126.5 |
0.137 |
| 2028 |
55.8 |
0.119 |
| 2029 |
345.1 |
0.122 |
| 2030 |
286.4 |
0.157 |
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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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