Low-scatter galaxy cluster mass proxies for the eROSITA all-sky survey

@article{Eckert2020LowscatterGC,
  title={Low-scatter galaxy cluster mass proxies for the eROSITA all-sky survey},
  author={D. Eckert and A. Finoguenov and V. Ghirardini and S. Grandis and F. Kaefer and J. Sanders and M. Ramos-Ceja},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2020}
}
The on-going X-ray all-sky survey with the eROSITA instrument will yield large galaxy cluster samples, which will bring strong constraints on cosmological parameters. In particular, the survey holds great promise to investigate the tension between CMB and low-redshift measurements. The current bottleneck preventing the full exploitation of the survey data is the systematics associated with the relation between survey observable and halo mass. Numerous recent studies have shown that gas mass and… Expand

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