Fig. 10.
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Plots of the Galactic orbital motion of HD 140283 compared single stars from Gaia DR3 with reliable astrometric data and available line-of-sight velocities (astrometric_params_solved = 95, rv_nb_transits > 0, ruwe < 1.4, and non_single_star = 0). Top left: Toomre diagram showing the location of HD 140283 in heliocentric cartesian velocity-space. Top right: plot of proper motion space. Bottom left: plot showing the Galactocentric cylindrical coordinates Vϕ vs. VR. Bottom right: energy–angular momentum space on the energy–angular momentum plane.
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