12335+0901 REU 1
12h 33m 17.36s +09° 01' 15.8" P.A. 290.00 sep 0.4 mag 12.60,12.60 Sp M5.5V
| Coord 2000 |
12335+0901 |
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Discov num |
REU 1 |
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Comp |
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Coord arcsec 2000 |
12 33 17.36 +09 01 15.8 |
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| Date first |
1938 |
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Date last |
2021 |
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Obs |
97 |
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| Pa first |
322 |
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Pa last |
290.4 |
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P.A. Now (θ) |
160.6° |
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| Sep first |
0.7 |
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Sep last |
0.355 |
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Sep. Now (ρ) |
0.423" |
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| Mag pri |
12.60 |
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Mag sec |
12.60 |
|
delta mag (ΔM) |
0 |
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Spectral class |
M5.5V (red) |
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| Pri motion ra |
-173 |
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Sec motion ra |
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| Pri motion dec |
+022 |
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Sec motion dec |
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| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 15.826y | ± 0.017 |
Periastron (T) | 60325d (2024.04y) | ± 12 |
Semi-major axis (a) | 919.7m | ± 1.3 |
| Eccentricity (e) | 0.2988 | ± 0.0012 |
Inclination (i) | 103.09° | ± 0.14 |
Longitude of periastron (ω) | 349.76° | ± 0.77 |
| Node (Ω) | 143.18° | ± 0.23 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
326.4 |
1.159 |
| 2001 |
323.5 |
1.188 |
| 2002 |
320.4 |
1.133 |
| 2003 |
316.8 |
0.993 |
| 2004 |
311.4 |
0.767 |
| 2005 |
300.0 |
0.468 |
| 2006 |
247.0 |
0.188 |
| 2007 |
165.2 |
0.371 |
| 2008 |
147.8 |
0.611 |
| 2009 |
137.5 |
0.618 |
| 2010 |
121.8 |
0.409 |
| 2011 |
63.7 |
0.201 |
| 2012 |
356.5 |
0.382 |
| 2013 |
340.2 |
0.665 |
| 2014 |
333.4 |
0.903 |
| 2015 |
329.2 |
1.075 |
| 2016 |
325.9 |
1.170 |
| 2017 |
322.9 |
1.185 |
| 2018 |
319.8 |
1.115 |
| 2019 |
316.0 |
0.959 |
| 2020 |
310.1 |
0.720 |
| 2021 |
296.2 |
0.411 |
| 2022 |
225.1 |
0.180 |
| 2023 |
160.6 |
0.423 |
| 2024 |
145.9 |
0.632 |
| 2025 |
135.6 |
0.594 |
| 2026 |
117.0 |
0.363 |
| 2027 |
45.7 |
0.204 |
| 2028 |
352.1 |
0.432 |
| 2029 |
338.7 |
0.710 |
| 2030 |
332.6 |
0.938 |
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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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