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astro-ph.SR2025
Expansion kinematics of young clusters. II. NGC 2264 N & S and Collinder 95 with HectoSpec
Ishani Cheshire, Joseph J. Armstrong, Jonathan C. Tan
Aims: Studying the dynamical evolution of young clusters is crucial for a more general understanding of the star formation process. Methods: We took spectra of >600 candidate pre-m…
astro-ph.SR2024
Low-mass Runaways from the Orion Nebula Cluster -- Kinematic Age Constraints on Star Cluster Formation
Muhammad Fajrin, Joseph J. Armstrong, Jonathan C. Tan +2
In their early, formative stages star clusters can undergo rapid dynamical evolution leading to strong gravitational interactions and ejection of "runaway" stars at high velocities…