On the Hubble Constant Tension in the SNe Ia Pantheon Sample

@article{Dainotti2021OnTH,
  title={On the Hubble Constant Tension in the SNe Ia Pantheon Sample},
  author={Maria Giovanna Dainotti and B. De Simone and T. Schiavone and Giovanni Montani and Enrico Rinaldi and Gaetano Lambiase},
  journal={The Astrophysical Journal},
  year={2021},
  volume={912}
}
The Hubble constant (H 0) tension between Type Ia supernovae (SNe Ia) and Planck measurements ranges from 4 to 6σ. To investigate this tension, we estimate H 0 in the ΛCDM and w0wa CDM (cold dark matter) models by dividing the Pantheon sample, the largest compilation of SNe Ia, into 3, 4, 20, and 40 bins. We fit the extracted H 0 values with a function mimicking the redshift evolution: g(z)=H0(z)=H˜0/(1+z)α , where α indicates an evolutionary parameter and H˜0=H0 at z = 0. We set the absolute… Expand
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