A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies

M. McDonald, M. Bayliss, B. A. Benson, R. J. Foley, J. Ruel, P. Sullivan, S. Veilleux, K. A. Aird, M. L N Ashby, M. Bautz, G. Bazin, L. E. Bleem, M. Brodwin, J. E. Carlstrom, C. L. Chang, H. M. Cho, A. Clocchiatti, T. M. Crawford, A. T. Crites, T. De HaanS. Desai, M. A. Dobbs, J. P. Dudley, E. Egami, W. R. Forman, G. P. Garmire, E. M. George, M. D. Gladders, A. H. Gonzalez, N. W. Halverson, N. L. Harrington, F. W. High, G. P. Holder, W. L. Holzapfel, S. Hoover, J. D. Hrubes, C. Jones, M. Joy, R. Keisler, L. Knox, A. T. Lee, E. M. Leitch, J. Liu, M. Lueker, D. Luong-Van, A. Mantz, Daniel P Marrone, J. J. McMahon, J. Mehl, S. S. Meyer, E. D. Miller, L. Mocanu, J. J. Mohr, T. E. Montroy, S. S. Murray, T. Natoli, S. Padin, T. Plagge, C. Pryke, T. D. Rawle, C. L. Reichardt, A. Rest, M. Rex, J. E. Ruhl, B. R. Saliwanchik, A. Saro, J. T. Sayre, K. K. Schaffer, L. Shaw, E. Shirokoff, R. Simcoe, J. Song, H. G. Spieler, B. Stalder, Z. Staniszewski, A. A. Stark, K. Story, C. W. Stubbs, R. Šuhada, A. Van Engelen, K. Vanderlinde, J. D. Vieira, A. Vikhlinin, R. Williamson, O. Zahn, A. Zenteno

Research output: Contribution to journalArticle

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Abstract

In the cores of some clusters of galaxies the hot intracluster plasma is dense enough that it should cool radiatively in the clusters lifetime, leading to continuous cooling flows of gas sinking towards the cluster centre, yet no such cooling flow has been observed. The low observed star-formation rates and cool gas masses for these cool-core clusters suggest that much of the cooling must be offset by feedback to prevent the formation of a runaway cooling flow. Here we report X-ray, optical and infrared observations of the galaxy cluster SPT-CLJ2344-4243 (ref. 11) at redshift z = 0.596. These observations reveal an exceptionally luminous (8.2Ã-10 45 ergs-1) galaxy cluster that hosts an extremely strong cooling flow (around 3,820 solar masses a year). Further, the central galaxy in this cluster appears to be experiencing a massive starburst (formation of around 740 solar masses a year), which suggests that the feedback source responsible for preventing runaway cooling in nearby cool-core clusters may not yet be fully established in SPT-CLJ2344-4243. This large star-formation rate implies that a significant fraction of the stars in the central galaxy of this cluster may form through accretion of the intracluster medium, rather than (as is currently thought) assembling entirely via mergers.

Original languageEnglish (US)
Pages (from-to)349-352
Number of pages4
JournalNature
Volume488
Issue number7411
DOIs
StatePublished - Aug 16 2012

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McDonald, M., Bayliss, M., Benson, B. A., Foley, R. J., Ruel, J., Sullivan, P., ... Zenteno, A. (2012). A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies. Nature, 488(7411), 349-352. https://doi.org/10.1038/nature11379

A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies. / McDonald, M.; Bayliss, M.; Benson, B. A.; Foley, R. J.; Ruel, J.; Sullivan, P.; Veilleux, S.; Aird, K. A.; Ashby, M. L N; Bautz, M.; Bazin, G.; Bleem, L. E.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Cho, H. M.; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; De Haan, T.; Desai, S.; Dobbs, M. A.; Dudley, J. P.; Egami, E.; Forman, W. R.; Garmire, G. P.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Halverson, N. W.; Harrington, N. L.; High, F. W.; Holder, G. P.; Holzapfel, W. L.; Hoover, S.; Hrubes, J. D.; Jones, C.; Joy, M.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; Liu, J.; Lueker, M.; Luong-Van, D.; Mantz, A.; Marrone, Daniel P; McMahon, J. J.; Mehl, J.; Meyer, S. S.; Miller, E. D.; Mocanu, L.; Mohr, J. J.; Montroy, T. E.; Murray, S. S.; Natoli, T.; Padin, S.; Plagge, T.; Pryke, C.; Rawle, T. D.; Reichardt, C. L.; Rest, A.; Rex, M.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Shaw, L.; Shirokoff, E.; Simcoe, R.; Song, J.; Spieler, H. G.; Stalder, B.; Staniszewski, Z.; Stark, A. A.; Story, K.; Stubbs, C. W.; Šuhada, R.; Van Engelen, A.; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, A.; Williamson, R.; Zahn, O.; Zenteno, A.

In: Nature, Vol. 488, No. 7411, 16.08.2012, p. 349-352.

Research output: Contribution to journalArticle

McDonald, M, Bayliss, M, Benson, BA, Foley, RJ, Ruel, J, Sullivan, P, Veilleux, S, Aird, KA, Ashby, MLN, Bautz, M, Bazin, G, Bleem, LE, Brodwin, M, Carlstrom, JE, Chang, CL, Cho, HM, Clocchiatti, A, Crawford, TM, Crites, AT, De Haan, T, Desai, S, Dobbs, MA, Dudley, JP, Egami, E, Forman, WR, Garmire, GP, George, EM, Gladders, MD, Gonzalez, AH, Halverson, NW, Harrington, NL, High, FW, Holder, GP, Holzapfel, WL, Hoover, S, Hrubes, JD, Jones, C, Joy, M, Keisler, R, Knox, L, Lee, AT, Leitch, EM, Liu, J, Lueker, M, Luong-Van, D, Mantz, A, Marrone, DP, McMahon, JJ, Mehl, J, Meyer, SS, Miller, ED, Mocanu, L, Mohr, JJ, Montroy, TE, Murray, SS, Natoli, T, Padin, S, Plagge, T, Pryke, C, Rawle, TD, Reichardt, CL, Rest, A, Rex, M, Ruhl, JE, Saliwanchik, BR, Saro, A, Sayre, JT, Schaffer, KK, Shaw, L, Shirokoff, E, Simcoe, R, Song, J, Spieler, HG, Stalder, B, Staniszewski, Z, Stark, AA, Story, K, Stubbs, CW, Šuhada, R, Van Engelen, A, Vanderlinde, K, Vieira, JD, Vikhlinin, A, Williamson, R, Zahn, O & Zenteno, A 2012, 'A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies', Nature, vol. 488, no. 7411, pp. 349-352. https://doi.org/10.1038/nature11379
McDonald M, Bayliss M, Benson BA, Foley RJ, Ruel J, Sullivan P et al. A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies. Nature. 2012 Aug 16;488(7411):349-352. https://doi.org/10.1038/nature11379
McDonald, M. ; Bayliss, M. ; Benson, B. A. ; Foley, R. J. ; Ruel, J. ; Sullivan, P. ; Veilleux, S. ; Aird, K. A. ; Ashby, M. L N ; Bautz, M. ; Bazin, G. ; Bleem, L. E. ; Brodwin, M. ; Carlstrom, J. E. ; Chang, C. L. ; Cho, H. M. ; Clocchiatti, A. ; Crawford, T. M. ; Crites, A. T. ; De Haan, T. ; Desai, S. ; Dobbs, M. A. ; Dudley, J. P. ; Egami, E. ; Forman, W. R. ; Garmire, G. P. ; George, E. M. ; Gladders, M. D. ; Gonzalez, A. H. ; Halverson, N. W. ; Harrington, N. L. ; High, F. W. ; Holder, G. P. ; Holzapfel, W. L. ; Hoover, S. ; Hrubes, J. D. ; Jones, C. ; Joy, M. ; Keisler, R. ; Knox, L. ; Lee, A. T. ; Leitch, E. M. ; Liu, J. ; Lueker, M. ; Luong-Van, D. ; Mantz, A. ; Marrone, Daniel P ; McMahon, J. J. ; Mehl, J. ; Meyer, S. S. ; Miller, E. D. ; Mocanu, L. ; Mohr, J. J. ; Montroy, T. E. ; Murray, S. S. ; Natoli, T. ; Padin, S. ; Plagge, T. ; Pryke, C. ; Rawle, T. D. ; Reichardt, C. L. ; Rest, A. ; Rex, M. ; Ruhl, J. E. ; Saliwanchik, B. R. ; Saro, A. ; Sayre, J. T. ; Schaffer, K. K. ; Shaw, L. ; Shirokoff, E. ; Simcoe, R. ; Song, J. ; Spieler, H. G. ; Stalder, B. ; Staniszewski, Z. ; Stark, A. A. ; Story, K. ; Stubbs, C. W. ; Šuhada, R. ; Van Engelen, A. ; Vanderlinde, K. ; Vieira, J. D. ; Vikhlinin, A. ; Williamson, R. ; Zahn, O. ; Zenteno, A. / A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies. In: Nature. 2012 ; Vol. 488, No. 7411. pp. 349-352.
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title = "A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies",
abstract = "In the cores of some clusters of galaxies the hot intracluster plasma is dense enough that it should cool radiatively in the clusters lifetime, leading to continuous cooling flows of gas sinking towards the cluster centre, yet no such cooling flow has been observed. The low observed star-formation rates and cool gas masses for these cool-core clusters suggest that much of the cooling must be offset by feedback to prevent the formation of a runaway cooling flow. Here we report X-ray, optical and infrared observations of the galaxy cluster SPT-CLJ2344-4243 (ref. 11) at redshift z = 0.596. These observations reveal an exceptionally luminous (8.2{\~A}-10 45 ergs-1) galaxy cluster that hosts an extremely strong cooling flow (around 3,820 solar masses a year). Further, the central galaxy in this cluster appears to be experiencing a massive starburst (formation of around 740 solar masses a year), which suggests that the feedback source responsible for preventing runaway cooling in nearby cool-core clusters may not yet be fully established in SPT-CLJ2344-4243. This large star-formation rate implies that a significant fraction of the stars in the central galaxy of this cluster may form through accretion of the intracluster medium, rather than (as is currently thought) assembling entirely via mergers.",
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month = "8",
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TY - JOUR

T1 - A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies

AU - McDonald, M.

AU - Bayliss, M.

AU - Benson, B. A.

AU - Foley, R. J.

AU - Ruel, J.

AU - Sullivan, P.

AU - Veilleux, S.

AU - Aird, K. A.

AU - Ashby, M. L N

AU - Bautz, M.

AU - Bazin, G.

AU - Bleem, L. E.

AU - Brodwin, M.

AU - Carlstrom, J. E.

AU - Chang, C. L.

AU - Cho, H. M.

AU - Clocchiatti, A.

AU - Crawford, T. M.

AU - Crites, A. T.

AU - De Haan, T.

AU - Desai, S.

AU - Dobbs, M. A.

AU - Dudley, J. P.

AU - Egami, E.

AU - Forman, W. R.

AU - Garmire, G. P.

AU - George, E. M.

AU - Gladders, M. D.

AU - Gonzalez, A. H.

AU - Halverson, N. W.

AU - Harrington, N. L.

AU - High, F. W.

AU - Holder, G. P.

AU - Holzapfel, W. L.

AU - Hoover, S.

AU - Hrubes, J. D.

AU - Jones, C.

AU - Joy, M.

AU - Keisler, R.

AU - Knox, L.

AU - Lee, A. T.

AU - Leitch, E. M.

AU - Liu, J.

AU - Lueker, M.

AU - Luong-Van, D.

AU - Mantz, A.

AU - Marrone, Daniel P

AU - McMahon, J. J.

AU - Mehl, J.

AU - Meyer, S. S.

AU - Miller, E. D.

AU - Mocanu, L.

AU - Mohr, J. J.

AU - Montroy, T. E.

AU - Murray, S. S.

AU - Natoli, T.

AU - Padin, S.

AU - Plagge, T.

AU - Pryke, C.

AU - Rawle, T. D.

AU - Reichardt, C. L.

AU - Rest, A.

AU - Rex, M.

AU - Ruhl, J. E.

AU - Saliwanchik, B. R.

AU - Saro, A.

AU - Sayre, J. T.

AU - Schaffer, K. K.

AU - Shaw, L.

AU - Shirokoff, E.

AU - Simcoe, R.

AU - Song, J.

AU - Spieler, H. G.

AU - Stalder, B.

AU - Staniszewski, Z.

AU - Stark, A. A.

AU - Story, K.

AU - Stubbs, C. W.

AU - Šuhada, R.

AU - Van Engelen, A.

AU - Vanderlinde, K.

AU - Vieira, J. D.

AU - Vikhlinin, A.

AU - Williamson, R.

AU - Zahn, O.

AU - Zenteno, A.

PY - 2012/8/16

Y1 - 2012/8/16

N2 - In the cores of some clusters of galaxies the hot intracluster plasma is dense enough that it should cool radiatively in the clusters lifetime, leading to continuous cooling flows of gas sinking towards the cluster centre, yet no such cooling flow has been observed. The low observed star-formation rates and cool gas masses for these cool-core clusters suggest that much of the cooling must be offset by feedback to prevent the formation of a runaway cooling flow. Here we report X-ray, optical and infrared observations of the galaxy cluster SPT-CLJ2344-4243 (ref. 11) at redshift z = 0.596. These observations reveal an exceptionally luminous (8.2Ã-10 45 ergs-1) galaxy cluster that hosts an extremely strong cooling flow (around 3,820 solar masses a year). Further, the central galaxy in this cluster appears to be experiencing a massive starburst (formation of around 740 solar masses a year), which suggests that the feedback source responsible for preventing runaway cooling in nearby cool-core clusters may not yet be fully established in SPT-CLJ2344-4243. This large star-formation rate implies that a significant fraction of the stars in the central galaxy of this cluster may form through accretion of the intracluster medium, rather than (as is currently thought) assembling entirely via mergers.

AB - In the cores of some clusters of galaxies the hot intracluster plasma is dense enough that it should cool radiatively in the clusters lifetime, leading to continuous cooling flows of gas sinking towards the cluster centre, yet no such cooling flow has been observed. The low observed star-formation rates and cool gas masses for these cool-core clusters suggest that much of the cooling must be offset by feedback to prevent the formation of a runaway cooling flow. Here we report X-ray, optical and infrared observations of the galaxy cluster SPT-CLJ2344-4243 (ref. 11) at redshift z = 0.596. These observations reveal an exceptionally luminous (8.2Ã-10 45 ergs-1) galaxy cluster that hosts an extremely strong cooling flow (around 3,820 solar masses a year). Further, the central galaxy in this cluster appears to be experiencing a massive starburst (formation of around 740 solar masses a year), which suggests that the feedback source responsible for preventing runaway cooling in nearby cool-core clusters may not yet be fully established in SPT-CLJ2344-4243. This large star-formation rate implies that a significant fraction of the stars in the central galaxy of this cluster may form through accretion of the intracluster medium, rather than (as is currently thought) assembling entirely via mergers.

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