MORPHOLOGY OF GALAXY CLUSTERS: A COSMOLOGICAL MODEL-INDEPENDENT TEST OF THE COSMIC DISTANCE-DUALITY RELATION

@article{Meng2012MORPHOLOGYOG,
  title={MORPHOLOGY OF GALAXY CLUSTERS: A COSMOLOGICAL MODEL-INDEPENDENT TEST OF THE COSMIC DISTANCE-DUALITY RELATION},
  author={Xiao-lei Meng and T. Zhang and H. Zhan and X. Wang},
  journal={The Astrophysical Journal},
  year={2012},
  volume={745},
  pages={98}
}
  • Xiao-lei Meng, T. Zhang, +1 author X. Wang
  • Published 2012
  • Physics
  • The Astrophysical Journal
  • Aiming at comparing different morphological models of galaxy clusters, we use two new methods to make a cosmological model-independent test of the distance-duality (DD) relation. The luminosity distances come from the Union2 compilation of Supernovae Type Ia. The angular diameter distances are given by two cluster models (De Filippis et al. and Bonamente et al.). The advantage of our methods is that they can reduce statistical errors. Concerning the morphological hypotheses for cluster models… CONTINUE READING
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