Detection of anti-correlation of hot and cold baryons in galaxy clusters

Research output: Contribution to journalArticlepeer-review

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Detection of anti-correlation of hot and cold baryons in galaxy clusters. / Farahi, Arya; Mulroy, Sarah L.; Evrard, August E.; Smith, Graham P.; Finoguenov, Alexis; Bourdin, Hervé; Carlstrom, John E.; Haines, Chris P.; Marrone, Daniel P.; Martino, Rossella; Mazzotta, Pasquale; O’donnell, Christine; Okabe, Nobuhiro.

In: Nature Communications, Vol. 10, No. 1, 2504 , 01.12.2019.

Research output: Contribution to journalArticlepeer-review

Harvard

Farahi, A, Mulroy, SL, Evrard, AE, Smith, GP, Finoguenov, A, Bourdin, H, Carlstrom, JE, Haines, CP, Marrone, DP, Martino, R, Mazzotta, P, O’donnell, C & Okabe, N 2019, 'Detection of anti-correlation of hot and cold baryons in galaxy clusters', Nature Communications, vol. 10, no. 1, 2504 . https://doi.org/10.1038/s41467-019-10471-y

APA

Farahi, A., Mulroy, S. L., Evrard, A. E., Smith, G. P., Finoguenov, A., Bourdin, H., Carlstrom, J. E., Haines, C. P., Marrone, D. P., Martino, R., Mazzotta, P., O’donnell, C., & Okabe, N. (2019). Detection of anti-correlation of hot and cold baryons in galaxy clusters. Nature Communications, 10(1), [2504 ]. https://doi.org/10.1038/s41467-019-10471-y

Vancouver

Author

Farahi, Arya ; Mulroy, Sarah L. ; Evrard, August E. ; Smith, Graham P. ; Finoguenov, Alexis ; Bourdin, Hervé ; Carlstrom, John E. ; Haines, Chris P. ; Marrone, Daniel P. ; Martino, Rossella ; Mazzotta, Pasquale ; O’donnell, Christine ; Okabe, Nobuhiro. / Detection of anti-correlation of hot and cold baryons in galaxy clusters. In: Nature Communications. 2019 ; Vol. 10, No. 1.

Bibtex

@article{c172145502bf48d380d62a8b566382a3,
title = "Detection of anti-correlation of hot and cold baryons in galaxy clusters",
abstract = "The largest clusters of galaxies in the Universe contain vast amounts of dark matter, plus baryonic matter in two principal phases, a majority hot gas component and a minority cold stellar phase comprising stars, compact objects, and low-temperature gas. Hydrodynamic simulations indicate that the highest-mass systems retain the cosmic fraction of baryons, a natural consequence of which is anti-correlation between the masses of hot gas and stars within dark matter halos of fixed total mass. We report observational detection of this anti-correlation based on 4 elements of a 9 × 9-element covariance matrix for nine cluster properties, measured from multi-wavelength observations of 41 clusters from the Local Cluster Substructure Survey. These clusters were selected using explicit and quantitative selection rules that were then encoded in our hierarchical Bayesian model. Our detection of anti-correlation is consistent with predictions from contemporary hydrodynamic cosmological simulations that were not tuned to reproduce this signal.",
author = "Arya Farahi and Mulroy, {Sarah L.} and Evrard, {August E.} and Smith, {Graham P.} and Alexis Finoguenov and Herv{\'e} Bourdin and Carlstrom, {John E.} and Haines, {Chris P.} and Marrone, {Daniel P.} and Rossella Martino and Pasquale Mazzotta and Christine O{\textquoteright}donnell and Nobuhiro Okabe",
year = "2019",
month = dec,
day = "1",
doi = "10.1038/s41467-019-10471-y",
language = "English",
volume = "10",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Springer",
number = "1",

}

RIS

TY - JOUR

T1 - Detection of anti-correlation of hot and cold baryons in galaxy clusters

AU - Farahi, Arya

AU - Mulroy, Sarah L.

AU - Evrard, August E.

AU - Smith, Graham P.

AU - Finoguenov, Alexis

AU - Bourdin, Hervé

AU - Carlstrom, John E.

AU - Haines, Chris P.

AU - Marrone, Daniel P.

AU - Martino, Rossella

AU - Mazzotta, Pasquale

AU - O’donnell, Christine

AU - Okabe, Nobuhiro

PY - 2019/12/1

Y1 - 2019/12/1

N2 - The largest clusters of galaxies in the Universe contain vast amounts of dark matter, plus baryonic matter in two principal phases, a majority hot gas component and a minority cold stellar phase comprising stars, compact objects, and low-temperature gas. Hydrodynamic simulations indicate that the highest-mass systems retain the cosmic fraction of baryons, a natural consequence of which is anti-correlation between the masses of hot gas and stars within dark matter halos of fixed total mass. We report observational detection of this anti-correlation based on 4 elements of a 9 × 9-element covariance matrix for nine cluster properties, measured from multi-wavelength observations of 41 clusters from the Local Cluster Substructure Survey. These clusters were selected using explicit and quantitative selection rules that were then encoded in our hierarchical Bayesian model. Our detection of anti-correlation is consistent with predictions from contemporary hydrodynamic cosmological simulations that were not tuned to reproduce this signal.

AB - The largest clusters of galaxies in the Universe contain vast amounts of dark matter, plus baryonic matter in two principal phases, a majority hot gas component and a minority cold stellar phase comprising stars, compact objects, and low-temperature gas. Hydrodynamic simulations indicate that the highest-mass systems retain the cosmic fraction of baryons, a natural consequence of which is anti-correlation between the masses of hot gas and stars within dark matter halos of fixed total mass. We report observational detection of this anti-correlation based on 4 elements of a 9 × 9-element covariance matrix for nine cluster properties, measured from multi-wavelength observations of 41 clusters from the Local Cluster Substructure Survey. These clusters were selected using explicit and quantitative selection rules that were then encoded in our hierarchical Bayesian model. Our detection of anti-correlation is consistent with predictions from contemporary hydrodynamic cosmological simulations that were not tuned to reproduce this signal.

U2 - 10.1038/s41467-019-10471-y

DO - 10.1038/s41467-019-10471-y

M3 - Article

VL - 10

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 2504

ER -