Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation

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Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation. / Hlavacek-Larrondo, J.; Rhea, C. L.; Webb, T.; McDonald, M.; Muzzin, A.; Wilson, G.; Finner, K.; Valin, F.; Bonaventura, N.; Cooper, M.; Fabian, A. C.; Gendron-Marsolais, M-L; Jee, M. J.; Lidman, C.; Mezcua, M.; Noble, A.; Russell, H. R.; Surace, J.; Trudeau, A.; Yee, H. K. C.

In: Astrophysical Journal Letters, Vol. 898, No. 2, 50, 08.2020.

Research output: Contribution to journal › Letter › Research › peer-review

Harvard

Hlavacek-Larrondo, J, Rhea, CL, Webb, T, McDonald, M, Muzzin, A, Wilson, G, Finner, K, Valin, F, Bonaventura, N, Cooper, M, Fabian, AC, Gendron-Marsolais, M-L, Jee, MJ, Lidman, C, Mezcua, M, Noble, A, Russell, HR, Surace, J, Trudeau, A & Yee, HKC 2020, 'Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation', Astrophysical Journal Letters, vol. 898, no. 2, 50. https://doi.org/10.3847/2041-8213/ab9ca5

APA

Hlavacek-Larrondo, J., Rhea, C. L., Webb, T., McDonald, M., Muzzin, A., Wilson, G., Finner, K., Valin, F., Bonaventura, N., Cooper, M., Fabian, A. C., Gendron-Marsolais, M-L., Jee, M. J., Lidman, C., Mezcua, M., Noble, A., Russell, H. R., Surace, J., Trudeau, A., & Yee, H. K. C. (2020). Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation. Astrophysical Journal Letters, 898(2), [50]. https://doi.org/10.3847/2041-8213/ab9ca5

Vancouver

Hlavacek-Larrondo J, Rhea CL, Webb T, McDonald M, Muzzin A, Wilson G et al. Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation. Astrophysical Journal Letters. 2020 Aug;898(2). 50. https://doi.org/10.3847/2041-8213/ab9ca5

Author

Hlavacek-Larrondo, J. ; Rhea, C. L. ; Webb, T. ; McDonald, M. ; Muzzin, A. ; Wilson, G. ; Finner, K. ; Valin, F. ; Bonaventura, N. ; Cooper, M. ; Fabian, A. C. ; Gendron-Marsolais, M-L ; Jee, M. J. ; Lidman, C. ; Mezcua, M. ; Noble, A. ; Russell, H. R. ; Surace, J. ; Trudeau, A. ; Yee, H. K. C. / Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation. In: Astrophysical Journal Letters. 2020 ; Vol. 898, No. 2.

Bibtex

@article{7b938bf6331d4d90a712e9f5737f1012,
title = "Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation",
abstract = "Cosmological simulations, as well as mounting evidence from observations, have shown that supermassive black holes play a fundamental role in regulating the formation of stars throughout cosmic time. This has been clearly demonstrated in the case of galaxy clusters in which powerful feedback from the central black hole is preventing the hot intracluster gas from cooling catastrophically, thus reducing the expected star formation rates by orders of magnitude. These conclusions, however, have been almost entirely based on nearby clusters. Based on new Chandra X-ray observations, we present the first observational evidence for massive, runaway cooling occurring in the absence of supermassive black hole feedback in the high-redshift galaxy cluster SpARCS104922.6 + 564032.5 (z = 1.709). The hot intracluster gas appears to be fueling a massive burst of star formation (900Myr(-1)) that is offset by dozens of kpc from the central galaxy. The burst is co-spatial with the coolest intracluster gas but not associated with any galaxy in the cluster. In less than 100 million years, such runaway cooling can form the same amount of stars as in the Milky Way. Therefore, intracluster stars are not only produced by tidal stripping and the disruption of cluster galaxies, but can also be produced by runaway cooling of hot intracluster gas at early times. Overall, these observations show the dramatic impact when supermassive black hole feedback fails to operate in clusters. They indicate that in the highest overdensities, such as clusters and protoclusters, runaway cooling may be a new and important mechanism for fueling massive bursts of star formation in the early universe.",
keywords = "High-redshift galaxy clusters, Supermassive black holes, Cooling flows, Intracluster medium, X-ray observatories, RELAXED GALAXY CLUSTERS, X-RAY CAVITIES, INTRACLUSTER LIGHT, STAR-FORMATION, AGN FEEDBACK, SPECTROSCOPIC CONFIRMATION, CHANDRA, SAMPLE, ACCRETION, EMISSION",
author = "J. Hlavacek-Larrondo and Rhea, {C. L.} and T. Webb and M. McDonald and A. Muzzin and G. Wilson and K. Finner and F. Valin and N. Bonaventura and M. Cooper and Fabian, {A. C.} and M-L Gendron-Marsolais and Jee, {M. J.} and C. Lidman and M. Mezcua and A. Noble and Russell, {H. R.} and J. Surace and A. Trudeau and Yee, {H. K. C.}",
year = "2020",
month = aug,
doi = "10.3847/2041-8213/ab9ca5",
language = "English",
volume = "898",
journal = "The Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Evidence of Runaway Gas Cooling in the Absence of Supermassive Black Hole Feedback at the Epoch of Cluster Formation

AU - Hlavacek-Larrondo, J.

AU - Rhea, C. L.

AU - Webb, T.

AU - McDonald, M.

AU - Muzzin, A.

AU - Wilson, G.

AU - Finner, K.

AU - Valin, F.

AU - Bonaventura, N.

AU - Cooper, M.

AU - Fabian, A. C.

AU - Gendron-Marsolais, M-L

AU - Jee, M. J.

AU - Lidman, C.

AU - Mezcua, M.

AU - Noble, A.

AU - Russell, H. R.

AU - Surace, J.

AU - Trudeau, A.

AU - Yee, H. K. C.

PY - 2020/8

Y1 - 2020/8

N2 - Cosmological simulations, as well as mounting evidence from observations, have shown that supermassive black holes play a fundamental role in regulating the formation of stars throughout cosmic time. This has been clearly demonstrated in the case of galaxy clusters in which powerful feedback from the central black hole is preventing the hot intracluster gas from cooling catastrophically, thus reducing the expected star formation rates by orders of magnitude. These conclusions, however, have been almost entirely based on nearby clusters. Based on new Chandra X-ray observations, we present the first observational evidence for massive, runaway cooling occurring in the absence of supermassive black hole feedback in the high-redshift galaxy cluster SpARCS104922.6 + 564032.5 (z = 1.709). The hot intracluster gas appears to be fueling a massive burst of star formation (900Myr(-1)) that is offset by dozens of kpc from the central galaxy. The burst is co-spatial with the coolest intracluster gas but not associated with any galaxy in the cluster. In less than 100 million years, such runaway cooling can form the same amount of stars as in the Milky Way. Therefore, intracluster stars are not only produced by tidal stripping and the disruption of cluster galaxies, but can also be produced by runaway cooling of hot intracluster gas at early times. Overall, these observations show the dramatic impact when supermassive black hole feedback fails to operate in clusters. They indicate that in the highest overdensities, such as clusters and protoclusters, runaway cooling may be a new and important mechanism for fueling massive bursts of star formation in the early universe.

AB - Cosmological simulations, as well as mounting evidence from observations, have shown that supermassive black holes play a fundamental role in regulating the formation of stars throughout cosmic time. This has been clearly demonstrated in the case of galaxy clusters in which powerful feedback from the central black hole is preventing the hot intracluster gas from cooling catastrophically, thus reducing the expected star formation rates by orders of magnitude. These conclusions, however, have been almost entirely based on nearby clusters. Based on new Chandra X-ray observations, we present the first observational evidence for massive, runaway cooling occurring in the absence of supermassive black hole feedback in the high-redshift galaxy cluster SpARCS104922.6 + 564032.5 (z = 1.709). The hot intracluster gas appears to be fueling a massive burst of star formation (900Myr(-1)) that is offset by dozens of kpc from the central galaxy. The burst is co-spatial with the coolest intracluster gas but not associated with any galaxy in the cluster. In less than 100 million years, such runaway cooling can form the same amount of stars as in the Milky Way. Therefore, intracluster stars are not only produced by tidal stripping and the disruption of cluster galaxies, but can also be produced by runaway cooling of hot intracluster gas at early times. Overall, these observations show the dramatic impact when supermassive black hole feedback fails to operate in clusters. They indicate that in the highest overdensities, such as clusters and protoclusters, runaway cooling may be a new and important mechanism for fueling massive bursts of star formation in the early universe.

KW - High-redshift galaxy clusters

KW - Supermassive black holes

KW - Cooling flows

KW - Intracluster medium

KW - X-ray observatories

KW - RELAXED GALAXY CLUSTERS

KW - X-RAY CAVITIES

KW - INTRACLUSTER LIGHT

KW - STAR-FORMATION

KW - AGN FEEDBACK

KW - SPECTROSCOPIC CONFIRMATION

KW - CHANDRA

KW - SAMPLE

KW - ACCRETION

KW - EMISSION

U2 - 10.3847/2041-8213/ab9ca5

DO - 10.3847/2041-8213/ab9ca5

M3 - Letter

VL - 898

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - 50

ER -

ID: 247494650