Sparse reconstruction of the merging A520 cluster system

@article{Peel2017SparseRO,
  title={Sparse reconstruction of the merging A520 cluster system},
  author={A. Peel and F. Lanusse and Jean-Luc Starck},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2017}
}
Merging galaxy clusters present a unique opportunity to study the properties of dark matter in an astrophysical context. These are rare and extreme cosmic events in which the bulk of the baryonic matter becomes displaced from the dark matter halos of the colliding subclusters. Since all mass bends light, weak gravitational lensing is a primary tool to study the total mass distribution in such systems. Combined with X-ray and optical analyses, mass maps of cluster mergers reconstructed from weak… Expand

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