14540+2335 REU 2
14h 53m 51.40s +23° 33' 20.9" P.A. 69.00 sep 0.5 mag 12.24,12.66 Sp M3V dist. 10.16 pc (33.14 l.y.)
| Coord 2000 |
14540+2335 |
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Discov num |
REU 2 |
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Comp |
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Coord arcsec 2000 |
14 53 51.40 +23 33 20.9 |
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| Date first |
1940 |
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Date last |
2021 |
|
Obs |
26 |
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| Pa first |
103 |
|
Pa last |
69.4 |
|
P.A. Now (θ) |
69.4° |
|
| Sep first |
0.9 |
|
Sep last |
0.486 |
|
Sep. Now (ρ) |
0.486" |
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| Mag pri |
12.24 |
|
Mag sec |
12.66 |
|
delta mag (ΔM) |
0.42 |
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Spectral class |
M3V (red) |
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| Pri motion ra |
-694 |
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Sec motion ra |
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| Pri motion dec |
+090 |
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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 |
Bootes |
|
HIP |
72896 |
|
Tycho2 |
2017-00588-3 |
|
GL |
Gl 568A |
|
| Distance |
10.16 |
|
Distance ly |
33.14 |
|
ORBITAL ELEMENTS
| Period (P) | 31.45y | ± 0.42 |
Periastron (T) | 1992.61y | ± 0.53 |
Semi-major axis (a) | 0.626a | ± 0.033 |
| Eccentricity (e) | 0.839 | ± 0.046 |
Inclination (i) | 143° | ± 15 |
Longitude of periastron (ω) | 25° | ± 25 |
| Node (Ω) | 303° | ± 22 |
Notes | n | |
Reference | Msn2018a | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
117.2 |
0.919 |
| 2001 |
115.0 |
0.971 |
| 2002 |
113.1 |
1.014 |
| 2003 |
111.2 |
1.049 |
| 2004 |
109.5 |
1.076 |
| 2005 |
107.8 |
1.095 |
| 2006 |
106.2 |
1.108 |
| 2007 |
104.7 |
1.115 |
| 2008 |
103.1 |
1.115 |
| 2009 |
101.5 |
1.108 |
| 2010 |
99.9 |
1.096 |
| 2011 |
98.3 |
1.077 |
| 2012 |
96.6 |
1.051 |
| 2013 |
94.7 |
1.020 |
| 2014 |
92.8 |
0.981 |
| 2015 |
90.7 |
0.935 |
| 2016 |
88.3 |
0.882 |
| 2017 |
85.6 |
0.820 |
| 2018 |
82.5 |
0.750 |
| 2019 |
78.6 |
0.670 |
| 2020 |
73.6 |
0.578 |
| 2021 |
66.5 |
0.474 |
| 2022 |
54.9 |
0.353 |
| 2023 |
29.7 |
0.218 |
| 2024 |
294.4 |
0.102 |
| 2025 |
163.5 |
0.225 |
| 2026 |
142.4 |
0.401 |
| 2027 |
133.5 |
0.540 |
| 2028 |
128.1 |
0.653 |
| 2029 |
124.1 |
0.747 |
| 2030 |
120.9 |
0.826 |
|
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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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