04309+2442 SMN 13
04h 30m 51.73s +24° 41' 47.9" P.A. 23.00 sep 0.1 mag 14.75,15.75 Sp M3
| Coord 2000 |
04309+2442 |
|
Discov num |
SMN 13 |
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Comp |
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Coord arcsec 2000 |
04 30 51.73 +24 41 47.9 |
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| Date first |
1995 |
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Date last |
2014 |
|
Obs |
24 |
|
| Pa first |
187 |
|
Pa last |
23.3 |
|
P.A. Now (θ) |
23.3° |
|
| Sep first |
0.0 |
|
Sep last |
0.08 |
|
Sep. Now (ρ) |
0.08" |
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| Mag pri |
14.75 |
|
Mag sec |
15.75 |
|
delta mag (ΔM) |
1 |
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Spectral class |
M3 (red) |
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| Pri motion ra |
-002 |
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Sec motion ra |
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| Pri motion dec |
-018 |
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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
| Constellation |
Taurus |
|
Gaia DR2 |
147869573608324992 |
|
ORBITAL ELEMENTS
| Period (P) | 46.2y | ± 2.8 |
Periastron (T) | 1995.01y | ± 0.28 |
Semi-major axis (a) | 86.4m | ± 4.5 |
| Eccentricity (e) | 0.567 | ± 0.027 |
Inclination (i) | 124.6° | ± 2 |
Longitude of periastron (ω) | 294.9° | ± 2.3 |
| Node (Ω) | 137° | ± 2.3 |
Notes | n | |
Reference | Sfr2014 | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
111.2 |
0.058 |
| 2001 |
103.5 |
0.060 |
| 2002 |
96.0 |
0.061 |
| 2003 |
88.7 |
0.061 |
| 2004 |
81.5 |
0.062 |
| 2005 |
74.5 |
0.063 |
| 2006 |
67.7 |
0.064 |
| 2007 |
61.1 |
0.065 |
| 2008 |
54.7 |
0.066 |
| 2009 |
48.7 |
0.068 |
| 2010 |
42.9 |
0.070 |
| 2011 |
37.6 |
0.072 |
| 2012 |
32.5 |
0.075 |
| 2013 |
27.8 |
0.077 |
| 2014 |
23.3 |
0.080 |
| 2015 |
19.2 |
0.082 |
| 2016 |
15.2 |
0.085 |
| 2017 |
11.6 |
0.087 |
| 2018 |
8.1 |
0.090 |
| 2019 |
4.8 |
0.092 |
| 2020 |
1.7 |
0.094 |
| 2021 |
358.7 |
0.096 |
| 2022 |
355.8 |
0.098 |
| 2023 |
353.0 |
0.100 |
| 2024 |
350.3 |
0.101 |
| 2025 |
347.7 |
0.102 |
| 2026 |
345.1 |
0.102 |
| 2027 |
342.5 |
0.102 |
| 2028 |
339.9 |
0.102 |
| 2029 |
337.2 |
0.101 |
| 2030 |
334.5 |
0.099 |
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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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