05086-1810 WSI 72
05h 08m 35.04s -18° 10' 19.3" P.A. 207.00 sep 0.0 mag 11.10,11.10 Sp M3.5V dist. 9.27 pc (30.24 l.y.)
| Coord 2000 |
05086-1810 |
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Discov num |
WSI 72 |
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Comp |
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Coord arcsec 2000 |
05 08 35.04 -18 10 19.3 |
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| Date first |
2003 |
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Date last |
2021 |
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Obs |
34 |
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| Pa first |
41 |
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Pa last |
206.6 |
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P.A. Now (θ) |
206.6° |
|
| Sep first |
0.1 |
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Sep last |
0.023 |
|
Sep. Now (ρ) |
0.023" |
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| Mag pri |
11.10 |
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Mag sec |
11.10 |
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delta mag (ΔM) |
0 |
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Spectral class |
M3.5V (red) |
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| Pri motion ra |
+050 |
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Sec motion ra |
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| Pri motion dec |
-140 |
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Sec motion dec |
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| Notes |
O
P
(Orbital solution, 100-year proper motion) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lepus |
|
HIP |
23932 |
|
Tycho2 |
5905-01336-1 |
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GL |
Gl 190 |
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| Distance |
9.27 |
|
Distance ly |
30.24 |
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ORBITAL ELEMENTS
| Period (P) | 0.962y | ± 0.002 |
Periastron (T) | 2016.174y | ± 0.016 |
Semi-major axis (a) | 0.0994a | ± 0.0022 |
| Eccentricity (e) | 0.258 | ± 0.025 |
Inclination (i) | 93.8° | ± 0.7 |
Longitude of periastron (ω) | 163.2° | ± 4.8 |
| Node (Ω) | 39.8° | ± 0.4 |
Notes | | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
198.7 |
0.017 |
| 2001 |
82.4 |
0.010 |
| 2002 |
52.5 |
0.031 |
| 2003 |
47.1 |
0.053 |
| 2004 |
44.7 |
0.072 |
| 2005 |
43.3 |
0.089 |
| 2006 |
42.3 |
0.103 |
| 2007 |
41.6 |
0.113 |
| 2008 |
40.9 |
0.120 |
| 2009 |
40.3 |
0.123 |
| 2010 |
39.7 |
0.123 |
| 2011 |
39.1 |
0.118 |
| 2012 |
38.4 |
0.110 |
| 2013 |
37.6 |
0.097 |
| 2014 |
36.4 |
0.080 |
| 2015 |
34.5 |
0.059 |
| 2016 |
30.3 |
0.035 |
| 2017 |
4.2 |
0.010 |
| 2018 |
235.3 |
0.020 |
| 2019 |
225.2 |
0.044 |
| 2020 |
222.1 |
0.064 |
| 2021 |
220.2 |
0.074 |
| 2022 |
218.6 |
0.073 |
| 2023 |
216.6 |
0.063 |
| 2024 |
213.5 |
0.045 |
| 2025 |
205.4 |
0.024 |
| 2026 |
130.6 |
0.007 |
| 2027 |
56.2 |
0.024 |
| 2028 |
48.2 |
0.046 |
| 2029 |
45.3 |
0.066 |
| 2030 |
43.7 |
0.084 |
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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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