A newly detected stellar substructure beyond 30 kpc in the Milky Way halo matches simulated LMC tidal debris only under the second-passage orbital model.
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Idealized simulations with live gas particles show the LMC corona's present-day velocity and column density profiles match a first-passage orbit but are too low in a second-passage orbit, yielding truncation radii of 16.6 kpc versus 5.7 kpc and strongly disfavoring the latter.
citing papers explorer
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The Milky Way Tomography with Subaru Hyper Suprime-Cam: Implications for the past orbit of the Large Magellanic Cloud
A newly detected stellar substructure beyond 30 kpc in the Milky Way halo matches simulated LMC tidal debris only under the second-passage orbital model.
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The LMC Corona Favors a First Passage
Idealized simulations with live gas particles show the LMC corona's present-day velocity and column density profiles match a first-passage orbit but are too low in a second-passage orbit, yielding truncation radii of 16.6 kpc versus 5.7 kpc and strongly disfavoring the latter.