23036-4651 WSI 139
23h 03m 35.60s -46° 50' 47.0" P.A. 156.00 sep 0.3 mag 13.60,13.70
| Coord 2000 |
23036-4651 |
|
Discov num |
WSI 139 |
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Comp |
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Coord arcsec 2000 |
23 03 35.60 -46 50 47.0 |
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| Date first |
2010 |
|
Date last |
2021 |
|
Obs |
10 |
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| Pa first |
332 |
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Pa last |
155.8 |
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P.A. Now (θ) |
155.8° |
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| Sep first |
0.3 |
|
Sep last |
0.252 |
|
Sep. Now (ρ) |
0.252" |
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| Mag pri |
13.60 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
0.1 |
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Spectral class |
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| Pri motion ra |
-171 |
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Sec motion ra |
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| Pri motion dec |
-023 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Grus |
|
Gaia DR2 |
6539544319023472000 |
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ORBITAL ELEMENTS
| Period (P) | 14.5y | ± 2.15 |
Periastron (T) | 2015.48y | ± 0.44 |
Semi-major axis (a) | 0.2572a | ± 0.0257 |
| Eccentricity (e) | 0.23 | ± 0.059 |
Inclination (i) | 93.8° | ± 0.5 |
Longitude of periastron (ω) | 162.4° | ± 4.7 |
| Node (Ω) | 153.3° | ± 0.8 |
Notes | | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
339.0 |
0.115 |
| 2001 |
334.4 |
0.190 |
| 2002 |
331.7 |
0.191 |
| 2003 |
327.6 |
0.127 |
| 2004 |
301.5 |
0.032 |
| 2005 |
166.1 |
0.080 |
| 2006 |
158.6 |
0.173 |
| 2007 |
156.2 |
0.247 |
| 2008 |
154.8 |
0.295 |
| 2009 |
153.6 |
0.313 |
| 2010 |
152.5 |
0.299 |
| 2011 |
151.2 |
0.252 |
| 2012 |
148.8 |
0.172 |
| 2013 |
139.5 |
0.065 |
| 2014 |
346.6 |
0.060 |
| 2015 |
336.2 |
0.160 |
| 2016 |
333.1 |
0.200 |
| 2017 |
330.1 |
0.165 |
| 2018 |
322.4 |
0.080 |
| 2019 |
187.5 |
0.031 |
| 2020 |
161.0 |
0.129 |
| 2021 |
157.2 |
0.213 |
| 2022 |
155.4 |
0.274 |
| 2023 |
154.2 |
0.308 |
| 2024 |
153.1 |
0.310 |
| 2025 |
151.9 |
0.280 |
| 2026 |
150.2 |
0.216 |
| 2027 |
146.2 |
0.121 |
| 2028 |
71.5 |
0.015 |
| 2029 |
339.0 |
0.115 |
| 2030 |
334.4 |
0.190 |
| 2031 |
331.7 |
0.191 |
| 2032 |
327.6 |
0.127 |
| 2033 |
301.5 |
0.032 |
| 2034 |
166.1 |
0.080 |
| 2035 |
158.6 |
0.173 |
| 2036 |
156.2 |
0.247 |
| 2037 |
154.8 |
0.295 |
| 2038 |
153.6 |
0.313 |
| 2039 |
152.5 |
0.299 |
| 2040 |
151.2 |
0.252 |
| 2041 |
148.8 |
0.172 |
| 2042 |
139.5 |
0.065 |
| 2043 |
346.6 |
0.060 |
| 2044 |
336.2 |
0.160 |
| 2045 |
333.1 |
0.200 |
| 2046 |
330.1 |
0.165 |
| 2047 |
322.4 |
0.080 |
| 2048 |
187.5 |
0.031 |
| 2049 |
161.0 |
0.129 |
| 2050 |
157.2 |
0.213 |
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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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