Stirring up an embedded star cluster with a moving gas filament
英文摘要：
We perform simulations to test the effects of a moving gas filament on a young star cluster (i.e. the "Slingshot" Model). We model Orion Nebula Cluster-like clusters as Plummer spheres and the Integral Shaped Filament gas as a cylindrical potential. We observe that in a static filament, an initially spherical cluster evolves naturally into an elongated distribution of stars. For sinusoidal moving filaments, we observe different remnants, and classify them into 4 categories.%: 3 different objects and one transition object. "Healthy" clusters, where almost all the stars stay inside the filament and the cluster; "destroyed" clusters are the opposite case, with almost no particles in the filament or near the centre of density of the clusters; "ejected" clusters, where a large fraction of stars are close to the centre of density of the stars , but almost none of them in the filament; and "transition" clusters, where roughly the same number of particles is ejected from the cluster and from the filament. An {Orion Nebula Cluster-like} cluster might stay inside the filament or be ejected, but it will not be destroyed.
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