Constraining the anisotropy of the Universe with the Pantheon supernovae sample

@article{Chang2019ConstrainingTA,
  title={Constraining the anisotropy of the Universe with the Pantheon supernovae sample},
  author={Z. Chang and D. Zhao and Y. Zhou},
  journal={Chinese Physics C},
  year={2019},
  volume={43},
  pages={125102}
}
We test the possible dipole anisotropy of the Finslerian cosmological model and the other three dipole-modulated cosmological models, i.e. the dipole-modulated ΛCDM, wCDM and Chevallier–Polarski–Linder (CPL) models, by using the recently released Pantheon sample of SNe Ia. The Markov chain Monte Carlo (MCMC) method is used to explore the whole parameter space. We find that the dipole anisotropy is very weak in all cosmological models used. Although the dipole amplitudes of four cosmological… Expand
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