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Fig. 14.

image

Projected Galactic orbit for HD 103095, which lost all its asteroids after the first passage of the Galactic center. HD 103095 (Groombridge 1830) is a metal-poor star (log(g) = 4.71 ± 0.3 and [Fe/H] = −1.27 ± 0.2 dex; Karovicova et al. 2018) with a high proper motion. According to Gaia DR2 its mass is ∼0.87 M (but only 0.66 M according to Takeda et al. 2007). In our calculations this star has a rather elongated orbit in the Galactic potential. See Fig. 8 for similar orbital trajectories for Glise 143 and 61 Cyg.

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