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The Dipole of the Pantheon+SH0ES Data

Francesco Sorrenti, Ruth Durrer, Martin Kunz

20/12/22 Published in : arXiv:2212.10328

In this paper we determine the dipole in the Pantheon+ data. We find that, while its amplitude roughly agrees with the dipole found in the cosmic microwave background which is attributed to the motion of the solar system with respect to the cosmic rest frame, the direction is different at very high significance. While the amplitude depends on the lower redshift cutoff, the direction is quite stable. For redshift cuts of order z_{\rm cut} \simeq 0.05 and higher, the dipole is no longer detected with high statistical significant. An important rôle seems to be played by the redshift corrections for peculiar velocities.

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  • String Theory
  • Field Theory

Constraining the bispectrum from bouncing cosmologies with Planck

Fermionic CFTs at large charge and large N

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The National Centres of Competence in Research (NCCRs) are a funding scheme of the Swiss National Science Foundation

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