Evidence for anisotropy of cosmic acceleration

@article{Colin2019EvidenceFA,
  title={Evidence for anisotropy of cosmic acceleration},
  author={J. Colin and R. Mohayaee and M. Rameez and S. Sarkar},
  journal={Astronomy and Astrophysics},
  year={2019},
  volume={631}
}
  • J. Colin, R. Mohayaee, +1 author S. Sarkar
  • Published 2019
  • Physics
  • Astronomy and Astrophysics
  • Observations reveal a “bulk flow” in the local Universe which is faster and extends to much larger scales than are expected around a typical observer in the standard ΛCDM cosmology. This is expected to result in a scale-dependent dipolar modulation of the acceleration of the expansion rate inferred from observations of objects within the bulk flow. From a maximum-likelihood analysis of the Joint Light-curve Analysis catalogue of Type Ia supernovae, we find that the deceleration parameter, in… CONTINUE READING

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