Tomographic measurement of the intergalactic gas pressure through galaxy-tSZ cross-correlations

@article{Koukoufilippas2020TomographicMO,
  title={Tomographic measurement of the intergalactic gas pressure through galaxy-tSZ cross-correlations},
  author={Nick Koukoufilippas and David Alonso and Maciej Bilicki and John A. Peacock},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2020},
  volume={491},
  pages={5464-5480}
}
  • Nick Koukoufilippas, David Alonso, +1 author John A. Peacock
  • Published 2020
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We cross-correlate maps of the thermal Sunyaev-Zeldovich (tSZ) Compton-$y$ parameter published by Planck with the projected distribution of galaxies in a set of low-redshift tomographic bins. We use the nearly full-sky 2MASS Photometric Redshift and WISE $\times$ SuperCOSMOS public catalogues, covering the redshift range $z\lesssim0.4$. Our measurements allow us to place constraints on the redshift dependence of the mass-observable relation for tSZ cluster count analyses in terms of the so… CONTINUE READING

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