13143+1320 LAW 2
13h 14m 20.12s +13° 19' 58.3" P.A. 122.00 sep 0.1 mag 11.90,12.80
Coord 2000 |
13143+1320 |
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Discov num |
LAW 2 |
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Comp |
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Coord arcsec 2000 |
13 14 20.12 +13 19 58.3 |
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Date first |
2005 |
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Date last |
2021 |
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Obs |
14 |
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Pa first |
46 |
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Pa last |
121.5 |
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P.A. Now (θ) |
226.6° |
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Sep first |
0.1 |
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Sep last |
0.136 |
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Sep. Now (ρ) |
0.068" |
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Mag pri |
11.90 |
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Mag sec |
12.80 |
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delta mag (ΔM) |
0.9 |
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Spectral class |
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Pri motion ra |
-244 |
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Sec motion ra |
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Pri motion dec |
-186 |
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Sec motion dec |
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Notes |
N
O
R
(See Notes, Orbital solution, Red magnitudes) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Virgo |
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Gaia DR2 |
3742871034173807488 |
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ORBITAL ELEMENTS
Period (P) | 9.68y | ± 0.16 |
Periastron (T) | 2013.612y | ± 0.026 |
Semi-major axis (a) | 0.15a | ± 0.003 |
Eccentricity (e) | 0.595 | ± 0.007 |
Inclination (i) | 49.9° | ± 1.8 |
Longitude of periastron (ω) | 212.2° | ± 4.3 |
Node (Ω) | 57.3° | ± 2.8 |
Notes | n | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
88.3 |
0.199 |
2001 |
101.5 |
0.163 |
2002 |
124.2 |
0.117 |
2003 |
174.2 |
0.078 |
2004 |
269.7 |
0.052 |
2005 |
31.3 |
0.109 |
2006 |
52.6 |
0.178 |
2007 |
63.7 |
0.214 |
2008 |
72.6 |
0.224 |
2009 |
81.5 |
0.215 |
2010 |
92.0 |
0.189 |
2011 |
107.3 |
0.149 |
2012 |
135.9 |
0.102 |
2013 |
198.9 |
0.073 |
2014 |
332.1 |
0.049 |
2015 |
40.7 |
0.136 |
2016 |
56.6 |
0.193 |
2017 |
66.7 |
0.219 |
2018 |
75.4 |
0.223 |
2019 |
84.6 |
0.208 |
2020 |
96.2 |
0.177 |
2021 |
114.2 |
0.134 |
2022 |
151.3 |
0.089 |
2023 |
226.6 |
0.068 |
2024 |
12.2 |
0.074 |
2025 |
47.1 |
0.158 |
2026 |
60.1 |
0.204 |
2027 |
69.5 |
0.223 |
2028 |
78.2 |
0.220 |
2029 |
87.9 |
0.200 |
2030 |
100.9 |
0.165 |
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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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