23175+1937 BEU 23
23h 17m 28.13s +19° 36' 46.6" P.A. 25.00 sep 0.4 mag 10.30,12.00 Sp M3.5
| Coord 2000 |
23175+1937 |
|
Discov num |
BEU 23 |
|
Comp |
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Coord arcsec 2000 |
23 17 28.13 +19 36 46.6 |
|
| Date first |
2001 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
209 |
|
Pa last |
25.3 |
|
P.A. Now (θ) |
288.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.357 |
|
Sep. Now (ρ) |
0.06" |
|
| Mag pri |
10.30 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
M3.5 (red) |
|
| Pri motion ra |
+354 |
|
Sec motion ra |
|
|
| Pri motion dec |
-101 |
|
Sec motion dec |
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| Notes |
O
R
(Orbital solution, Red magnitudes) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 11.56y | ± 0.09 |
Periastron (T) | 56419d (2013.346y) | ± 2.5 |
Semi-major axis (a) | 0.264a | ± 0.001 |
| Eccentricity (e) | 0.464 | ± 0.004 |
Inclination (i) | 103.3° | ± 0.2 |
Longitude of periastron (ω) | 206.8° | ± 0.5 |
| Node (Ω) | 30.8° | ± 0.2 |
Notes | | |
Reference | Jnn2012b | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
274.3 |
0.063 |
| 2001 |
221.2 |
0.138 |
| 2002 |
196.9 |
0.101 |
| 2003 |
56.7 |
0.097 |
| 2004 |
38.6 |
0.239 |
| 2005 |
33.1 |
0.325 |
| 2006 |
29.4 |
0.364 |
| 2007 |
26.1 |
0.363 |
| 2008 |
22.5 |
0.328 |
| 2009 |
17.5 |
0.264 |
| 2010 |
8.1 |
0.175 |
| 2011 |
334.7 |
0.078 |
| 2012 |
239.9 |
0.094 |
| 2013 |
212.0 |
0.148 |
| 2014 |
148.0 |
0.042 |
| 2015 |
44.8 |
0.166 |
| 2016 |
35.8 |
0.283 |
| 2017 |
31.4 |
0.347 |
| 2018 |
28.0 |
0.368 |
| 2019 |
24.6 |
0.352 |
| 2020 |
20.5 |
0.304 |
| 2021 |
14.2 |
0.228 |
| 2022 |
359.6 |
0.131 |
| 2023 |
288.5 |
0.060 |
| 2024 |
224.1 |
0.130 |
| 2025 |
201.4 |
0.117 |
| 2026 |
63.7 |
0.078 |
| 2027 |
39.6 |
0.225 |
| 2028 |
33.6 |
0.318 |
| 2029 |
29.8 |
0.361 |
| 2030 |
26.5 |
0.365 |
| 2031 |
23.0 |
0.334 |
| 2032 |
18.2 |
0.273 |
| 2033 |
9.7 |
0.187 |
| 2034 |
342.5 |
0.088 |
| 2035 |
246.6 |
0.084 |
| 2036 |
214.4 |
0.149 |
| 2037 |
171.4 |
0.055 |
| 2038 |
46.9 |
0.148 |
| 2039 |
36.5 |
0.272 |
| 2040 |
31.8 |
0.342 |
| 2041 |
28.4 |
0.368 |
| 2042 |
25.1 |
0.355 |
| 2043 |
21.1 |
0.311 |
| 2044 |
15.2 |
0.238 |
| 2045 |
2.4 |
0.143 |
| 2046 |
303.2 |
0.061 |
| 2047 |
227.5 |
0.121 |
| 2048 |
204.9 |
0.130 |
| 2049 |
75.1 |
0.060 |
| 2050 |
40.7 |
0.210 |
|
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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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