09313-1329 KUI 41
09h 31m 19.43s -13° 29' 19.3" P.A. 103.00 sep 0.4 mag 10.74,10.94 Sp dM4 dist. 10.01 pc (32.65 l.y.)
| Coord 2000 |
09313-1329 |
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Discov num |
KUI 41 |
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Comp |
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Coord arcsec 2000 |
09 31 19.43 -13 29 19.3 |
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| Date first |
1942 |
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Date last |
2020 |
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Obs |
34 |
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| Pa first |
239 |
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Pa last |
102.5 |
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P.A. Now (θ) |
44.8° |
|
| Sep first |
0.6 |
|
Sep last |
0.379 |
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Sep. Now (ρ) |
0.541" |
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| Mag pri |
10.74 |
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Mag sec |
10.94 |
|
delta mag (ΔM) |
0.2 |
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Spectral class |
dM4 |
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| Pri motion ra |
+760 |
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Sec motion ra |
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| Pri motion dec |
+070 |
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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 |
Hydra |
|
HIP |
46706 |
|
Tycho2 |
5472-00348-1 |
|
GL |
Gl 352A |
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| BD |
BD-12 2918 |
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Distance |
10.01 |
|
Distance ly |
32.65 |
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ORBITAL ELEMENTS
| Period (P) | 18.449y | ± 0.025 |
Periastron (T) | 59074d (2020.615y) | ± 13 |
Semi-major axis (a) | 638m | ± 2.4 |
| Eccentricity (e) | 0.327 | ± 0.0035 |
Inclination (i) | 141.78° | ± 0.6 |
Longitude of periastron (ω) | 287.75° | ± 0.75 |
| Node (Ω) | 52.27° | ± 0.51 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | 2016 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
206.3 |
0.499 |
| 2001 |
175.6 |
0.387 |
| 2002 |
128.4 |
0.342 |
| 2003 |
84.9 |
0.412 |
| 2004 |
56.7 |
0.503 |
| 2005 |
36.2 |
0.565 |
| 2006 |
18.8 |
0.597 |
| 2007 |
2.7 |
0.613 |
| 2008 |
347.3 |
0.625 |
| 2009 |
332.5 |
0.638 |
| 2010 |
318.4 |
0.655 |
| 2011 |
305.1 |
0.676 |
| 2012 |
292.6 |
0.697 |
| 2013 |
280.7 |
0.714 |
| 2014 |
269.3 |
0.723 |
| 2015 |
258.0 |
0.717 |
| 2016 |
246.1 |
0.690 |
| 2017 |
232.8 |
0.635 |
| 2018 |
216.0 |
0.548 |
| 2019 |
191.4 |
0.435 |
| 2020 |
151.0 |
0.347 |
| 2021 |
102.3 |
0.371 |
| 2022 |
68.0 |
0.465 |
| 2023 |
44.8 |
0.541 |
| 2024 |
26.3 |
0.585 |
| 2025 |
9.8 |
0.607 |
| 2026 |
354.2 |
0.620 |
| 2027 |
339.1 |
0.632 |
| 2028 |
324.7 |
0.647 |
| 2029 |
311.0 |
0.666 |
| 2030 |
298.1 |
0.687 |
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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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