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Kinematics of high-velocity stars utilizing LAMOST and Gaia DR3 archives within 100 kpc

Elsanhoury, Waleed

The kinematic parameters identified from high-velocity stars situated within $\sim100$ kpc are examined and analyzed. We included three high-velocity programs comprising 591, 87, and 519 stars as a function of distances ranging from $0.10$ to nearly $109$ kpc. In this analysis, we will determine the spatial velocities $(U, V, W)$ in galactic coord…