Chemical sub-populations in ω Centauri show distinct spatial distributions and kinematics, with Al-rich stars more centrally concentrated and radially anisotropic than Al-poor stars.
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Using 8D chemical clustering on APOGEE DR17 and kinematic matching to e-TidalGCs simulations, the authors report 470 ω Cen-like stars including 6 kinematically consistent with its stream and additional links to streams from five other clusters, supporting a common disrupted progenitor.
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The chemo-dynamical complexity of {\omega} Centauri: different kinematics for different populations
Chemical sub-populations in ω Centauri show distinct spatial distributions and kinematics, with Al-rich stars more centrally concentrated and radially anisotropic than Al-poor stars.
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The Nephele ecosystem: stars, globular clusters, and stellar streams associated with the progenitor galaxy of $\omega$ Centauri
Using 8D chemical clustering on APOGEE DR17 and kinematic matching to e-TidalGCs simulations, the authors report 470 ω Cen-like stars including 6 kinematically consistent with its stream and additional links to streams from five other clusters, supporting a common disrupted progenitor.