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A search identifies hypervelocity star candidates in the solar neighborhood, suggesting new insights into stellar dynamics.
We search broad solar neighborhood for K- and early M-type dwarf stars with greater than Galactic escape velocities based on Gaia DR3 proper-motion and distance data exclusively. We find 11 bona fide hypervelocity star candidates, which have total velocities ≥500 km/s relative to the Galactic center computed both with trigonometric-parallax based and photometric distances.
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Zhuiko et al. (2025) studied this question.
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