The stripping of a galaxy group diving into the massive cluster A2142

  title={The stripping of a galaxy group diving into the massive cluster A2142},
  author={Dominique Eckert and Silvano Molendi and Matt S. Owers and Massimo Gaspari and Tiziana Venturi and Lawrence Rudnick and Stefano Ettori and St{\'e}phane Paltani and Fabio Gastaldello and Mariachiara Rossetti},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
Structure formation in the current Universe operates through the accretion of group-scale systems onto massive clusters. The detection and study of such accreting systems is crucial to understand the build-up of the most massive virialized structures we see today. We report the discovery with XMM-Newton of an irregular X-ray substructure in the outskirts of the massive galaxy cluster Abell 2142. The tip of the X-ray emission coincides with a concentration of galaxies. The bulk of the X-ray… 

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