Iron in X-COP: Tracing enrichment in cluster outskirts with high accuracy abundance profiles

@article{Ghizzardi2021IronIX,
  title={Iron in X-COP: Tracing enrichment in cluster outskirts with high accuracy abundance profiles},
  author={Simona Ghizzardi and Silvano Molendi and Remco F. J. van der Burg and Sabrina De Grandi and Iacopo Bartalucci and Fabio Gastaldello and Mariachiara Rossetti and Veronica Biffi and Stefano Borgani and Dominique Eckert and Stefano Ettori and Massimo Gaspari and Vittorio Ghirardini and Elena Rasia},
  journal={Astronomy \& Astrophysics},
  year={2021}
}
We present the first metal abundance profiles for a representative sample of massive clusters. Our measurements extend to R500 and are corrected for a systematic error plaguing previous outskirt estimates. Our profiles flatten out at large radii, admittedly not a new result, however the radial range and representative nature of our sample extends its import well beyond previous findings. We find no evidence of segregation between cool-core and non-cool-core systems beyond ∼0.3 R500, implying… 
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ESO Staff Publications (2021)
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  • 2022
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References

SHOWING 1-10 OF 79 REFERENCES
The Hot and Energetic Universe: A White Paper presenting the science theme motivating the Athena+ mission
This White Paper, submitted to the recent ESA call for science themes to define its future large missions, advocates the need for a transformational leap in our understanding of two key questions in
The Hot Universe with XRISM and Athena
Abstract X-ray spectroscopy is key to address the theme of “The Hot Universe”, the still poorly understood astrophysical processes driving the cosmological evolution of the baryonic hot gas traceable
The X-ray Integral Field Unit (X-IFU) for Athena
Athena is designed to implement the Hot and Energetic Universe science theme selected by the European Space Agency for the second large mission of its Cosmic Vision program. The Athena science
An analytic expression for the luminosity function for galaxies
A new analytic approximation for the luminosity function for galaxies is proposed, which shows good agreement with both a luminosity distribution for bright nearby galaxies and a composite luminosity
On the variation of the initial mass function
A universal initial mass function (IMF) is not intuitive, but so far no convincing evidence for a variable IMF exists. The detection of systematic variations of the IMF with star-forming conditions
Galactic Stellar and Substellar Initial Mass Function
We review recent determinations of the present‐day mass function (PDMF) and initial mass function (IMF) in various components of the Galaxy—disk, spheroid, young, and globular clusters—and in
The stellar-to-halo mass relation over the past 12 Gyr
Aims. Understanding the link between the galaxy properties and the dark matter halos they reside in and their coevolution is a powerful tool for constraining the processes related to galaxy
Iron abundance distribution in the hot gas of merging galaxy clusters
We present XMM-Newton/EPIC observations of six merging galaxy clusters and study the distributions of their temperature, iron (Fe) abundance and pseudo-entropy along the merging axis. For the first
Polytropic state of the intracluster medium in the X-COP cluster sample
Aims. In this work, we have investigated the relation between the radially resolved thermodynamic quantities of the intracluster medium in the X-COP cluster sample, aiming to assess the
The X-ray emitting gas in poor clusters with central dominant galaxies
The 12 clusters detected in the present study by the Einstein Observatory's X-ray imaging proportional counter show X-ray emission centered on the dominant galaxy in all cases. Comparison of the
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