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Stellar Spirals in Triaxial Dark Matter Halos
Published online by Cambridge University Press: 21 March 2017
Abstract
Two-armed grand-design spirals may form if the shape of its dark matter halo changes abruptly enough. The feasibility of such a mechanism is tested in realistic simulations. The interplay of such externally-driven spirals and self-induced transient spirals is then studied. Subhaloes are also found to lead to transient grand-design spiral structures when they impact the disk.
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- Copyright © International Astronomical Union 2017