10041+1848 TOK 889
10h 04m 05.98s +18° 47' 45.2" P.A. 7.00 sep 0.1 mag 11.30,11.40 Sp M0.5V dist. 41.79 pc (136.32 l.y.)
| Coord 2000 |
10041+1848 |
|
Discov num |
TOK 889 |
|
Comp |
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Coord arcsec 2000 |
10 04 05.98 +18 47 45.2 |
|
| Date first |
2018 |
|
Date last |
2021 |
|
Obs |
8 |
|
| Pa first |
313 |
|
Pa last |
6.8 |
|
P.A. Now (θ) |
6.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.09 |
|
Sep. Now (ρ) |
0.09" |
|
| Mag pri |
11.30 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
M0.5V (red) |
|
| Pri motion ra |
-156 |
|
Sec motion ra |
|
|
| Pri motion dec |
-226 |
|
Sec motion dec |
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| Notes |
O
R
(Orbital solution, Red magnitudes) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Leo |
|
HIP |
49324 |
|
Tycho2 |
1415-01123-1 |
|
Distance |
41.79 |
|
| Distance ly |
136.32 |
|
ORBITAL ELEMENTS
| Period (P) | 7.53y | ± 0.19 |
Periastron (T) | 2020.829y | ± 0.019 |
Semi-major axis (a) | 0.097a | ± 0.002 |
| Eccentricity (e) | 0.613 | ± 0.009 |
Inclination (i) | 130.7° | ± 1.7 |
Longitude of periastron (ω) | 23.3° | ± 2.9 |
| Node (Ω) | 162.6° | ± 2.4 |
Notes | | |
Reference | Tok2021f | |
| Equinox | | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
349.7 |
0.122 |
| 2001 |
337.2 |
0.147 |
| 2002 |
327.0 |
0.149 |
| 2003 |
315.4 |
0.131 |
| 2004 |
297.2 |
0.095 |
| 2005 |
247.2 |
0.050 |
| 2006 |
94.3 |
0.030 |
| 2007 |
0.2 |
0.095 |
| 2008 |
343.3 |
0.137 |
| 2009 |
332.4 |
0.151 |
| 2010 |
321.9 |
0.143 |
| 2011 |
308.3 |
0.116 |
| 2012 |
281.5 |
0.073 |
| 2013 |
191.7 |
0.041 |
| 2014 |
21.8 |
0.058 |
| 2015 |
350.7 |
0.119 |
| 2016 |
337.9 |
0.147 |
| 2017 |
327.6 |
0.150 |
| 2018 |
316.2 |
0.133 |
| 2019 |
298.7 |
0.097 |
| 2020 |
252.5 |
0.052 |
| 2021 |
109.7 |
0.030 |
| 2022 |
1.7 |
0.092 |
| 2023 |
344.0 |
0.136 |
| 2024 |
333.0 |
0.151 |
| 2025 |
322.6 |
0.144 |
| 2026 |
309.3 |
0.118 |
| 2027 |
284.0 |
0.076 |
| 2028 |
199.7 |
0.042 |
| 2029 |
26.2 |
0.054 |
| 2030 |
351.7 |
0.117 |
|
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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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