Stellar stream curvature constrains dark matter halo axis ratios and orientations in external galaxies, with some streams excluding broad ranges of flattenings while all support spherical halos for fixed flattening directions.
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Potamides: Mapping Dark Matter Halo Shapes from Stellar Stream Tracks in the Local Universe
Stellar stream curvature constrains dark matter halo axis ratios and orientations in external galaxies, with some streams excluding broad ranges of flattenings while all support spherical halos for fixed flattening directions.