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 Discov num LAW   2 Comp Coord arcsec 2000 13 14 20.12 +13 19 58.3
Date first 2005 Date last 2021 Obs 14
Pa first 46 Pa last 121.5 P.A. Now (θ) 226.6°
Sep first 0.1 Sep last 0.136 Sep. Now (ρ) 0.068"
Mag pri 11.90 Mag sec 12.80 delta mag (ΔM) 0.9 Spectral class
Pri motion ra -244 Sec motion ra
Pri motion dec -186 Sec motion dec
Notes N O R (See Notes, Orbital solution, Red magnitudes)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Virgo Gaia DR2 3742871034173807488




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 Notesn ReferenceTok2021f
Equinox Last observation2021 Grade2(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


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds13143%2B1320b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic