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Browsing by Author "Allen, S. W."

Browsing by Author "Allen, S. W."

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  • Azimuthally resolved X-ray spectroscopy to the edge of the Perseus Cluster 
    Urban, O.; Simionescu, A.; Werner, N.; Allen, S. W.; Ehlert, S.; Zhuravleva, I.; Morris, R. G.; Fabian, A. C.; Mantz, A.; Nulsen, P. E. J.; Sanders, J. S.; Takei, Y. (2014)
    We present the results from extensive, new observations of the Perseus Cluster of galaxies, obtained as a Suzaku Key Project. The 85 pointings analysed span eight azimuthal directions out to 2° = 2.6 Mpc, to and beyond the ...
  • Cluster Cosmology Constraints from the 2500 deg<SUP>2</SUP> SPT-SZ Survey: Inclusion of Weak Gravitational Lensing Data from Magellan and the Hubble Space Telescope 
    Bocquet, S.; Dietrich, J. P.; Schrabback, T.; Bleem, L. E.; Klein, M.; Allen, S. W.; Applegate, D. E.; Ashby, Matthew L. N.; Bautz, M.; Bayliss, M.; Benson, B. A.; Brodwin, M.; Bulbul, Esra; Canning, R. E. A.; Capasso, R.; Carlstrom, J. E.; Chang, C. L.; Chiu, I.; Cho, H. -M; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; de Haan, T.; Desai, S.; Dobbs, M. A.; Foley, R. J.; Forman, William R.; Garmire, G. P.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Grandis, S.; Gupta, N.; Halverson, N. W.; Hlavacek-Larrondo, J.; Hoekstra, H.; Holder, G. P.; Holzapfel, W. L.; Hou, Z.; Hrubes, J. D.; Huang, N.; Jones, Christine; Khullar, G.; Knox, L.; Kraft, Ralph; Lee, A. T.; von der Linden, A.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Meyer, S. S.; Mocanu, L. M.; Mohr, J. J.; Morris, R. G.; Padin, S.; Patil, S.; Pryke, C.; Rapetti, D.; Reichardt, C. L.; Rest, A.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Shirokoff, E.; Stalder, Brian; Stanford, S. A.; Staniszewski, Z.; Stark, Antony A.; Story, K. T.; Strazzullo, V.; Stubbs, Christopher W.; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, Alexey; Williamson, R.; Zenteno, A. (2019)
    We derive cosmological constraints using a galaxy cluster sample selected from the 2500 deg<SUP>2</SUP> SPT-SZ survey. The sample spans the redshift range 0.25 SPT-SZ survey. The sample spans the redshift range 0.25 5. ...
  • Cluster mass calibration at high redshift: HST weak lensing analysis of 13 distant galaxy clusters from the South Pole Telescope Sunyaev-Zel&#39;dovich Survey 
    Schrabback, T.; Applegate, D.; Dietrich, J. P.; Hoekstra, H.; Bocquet, S.; Gonzalez, A. H.; von der Linden, A.; McDonald, M.; Morrison, C. B.; Raihan, S. F.; Allen, S. W.; Bayliss, M.; Benson, B. A.; Bleem, L. E.; Chiu, I.; Desai, S.; Foley, R. J.; de Haan, T.; High, F. W.; Hilbert, S.; Mantz, A. B.; Massey, R.; Mohr, J.; Reichardt, C. L.; Saro, A.; Simon, P.; Stern, C.; Stubbs, C. W.; Zenteno, A. (2018)
    We present an HST/Advanced Camera for Surveys (ACS) weak gravitational lensing analysis of 13 massive high-redshift (z<SUB>median</SUB> = 0.88) galaxy clusters discovered in the South Pole Telescope (SPT) Sunyaev-Zel&#39;dovich ...
  • Constraints on turbulent pressure in the X-ray haloes of giant elliptical galaxies from resonant scattering 
    Werner, N.; Zhuravleva, I.; Churazov, Eugene; Simionescu, A.; Allen, S. W.; Forman, William R.; Jones, C.; Kaastra, J. S. (2009)
  • Cooling in the X-ray halo of the rotating, massive early-type galaxy NGC 7049 
    Juránová, A.; Werner, N.; Gaspari, M.; Lakhchaura, K.; Nulsen, Paul E. J.; Sun, M.; Canning, R. E. A.; Allen, S. W.; Simionescu, A.; Oonk, J. B. R.; Connor, T.; Donahue, M. (2019)
    The relative importance of the physical processes shaping the thermodynamics of the hot gas permeating rotating, massive early-type galaxies is expected to be different from that in non-rotating systems. Here, we report ...
  • Cosmological Constraints from Galaxy Clusters in the 2500 Square-degree SPT-SZ Survey 
    de Haan, T.; Benson, B. A.; Bleem, L. E.; Allen, S. W.; Applegate, D. E.; Ashby, M. L. N.; Bautz, M.; Bayliss, M.; Bocquet, S.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Chiu, I.; Cho, H. -M; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; Desai, S.; Dietrich, J. P.; Dobbs, M. A.; Doucouliagos, A. N.; Foley, R. J.; Forman, W. R.; Garmire, G. P.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Gupta, N.; Halverson, N. W.; Hlavacek-Larrondo, J.; Hoekstra, H.; Holder, G. P.; Holzapfel, W. L.; Hou, Z.; Hrubes, J. D.; Huang, N.; Jones, C.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; von der Linden, A.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Meyer, S. S.; Mocanu, L. M.; Mohr, J. J.; Murray, Stephen S.; Padin, S.; Pryke, C.; Rapetti, D.; Reichardt, C. L.; Rest, A.; Ruel, J.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Schrabback, T.; Shirokoff, E.; Song, J.; Spieler, H. G.; Stalder, B.; Stanford, S. A.; Staniszewski, Z.; Stark, Antony A.; Story, K. T.; Stubbs, C. W.; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, Alexey A.; Williamson, R.; Zenteno, A. (2016)
    We present cosmological parameter constraints obtained from galaxy clusters identified by their Sunyaev-Zel'dovich effect signature in the 2500 square-degree South Pole Telescope Sunyaev Zel'dovich (SPT-SZ) survey. We ...
  • A Detailed Study of the Most Relaxed SPT-selected Galaxy Clusters: Properties of the Cool Core and Central Galaxy 
    McDonald, M.; Allen, S. W.; Hlavacek-Larrondo, J.; Mantz, A. B.; Bayliss, M.; Benson, B. A.; Brodwin, M.; Bulbul, Esra; Canning, R. E. A.; Chiu, I.; Forman, William R.; Garmire, G. P.; Gupta, N.; Khullar, G.; Mohr, J. J.; Reichardt, C. L.; Schrabback, T. (2019)
    We present a multi-wavelength analysis of the four most relaxed clusters in the South Pole Telescope 2500 deg<SUP>2</SUP> survey, which lie at 0.55 survey, which lie at 0.55 survey, which lie at 0.55 survey, which lie ...
  • Feedback under the microscope - I. Thermodynamic structure and AGN-driven shocks in M87 
    Million, E. T.; Werner, N.; Simionescu, A.; Allen, S. W.; Nulsen, Paul E. J.; Fabian, A. C.; Böhringer, H.; Sanders, J. S. (2010)
    We present the first in a series of papers discussing the thermodynamic properties of M87 and the central regions of the Virgo Cluster in unprecedented detail. Using a deep Chandra exposure (574 ks),
  • Feedback under the microscope-II. Heating, gas uplift and mixing in the nearest cluster core 
    Werner, N.; Simionescu, A.; Million, E. T.; Allen, S. W.; Nulsen, Paul E. J.; von der Linden, A.; Hansen, S. M.; Böhringer, H.; Churazov, Eugene; Fabian, A. C.; Forman, William R.; Jones, C.; Sanders, J. S.; Taylor, G. B. (2010)
    Using a combination of deep (574 ks) Chandra data, XMM-Newton high-resolution spectra and optical H?+[NII] images, we study the nature and spatial distribution of the multi-phase plasma in M87. Our results provide direct ...
  • Galaxy Clusters Discovered via the Sunyaev-Zel&#39;dovich Effect in the 2500-Square-Degree SPT-SZ Survey 
    Bleem, L. E.; Stalder, B.; de Haan, T.; Aird, K. A.; Allen, S. W.; Applegate, D. E.; Ashby, Matthew L. N.; Bautz, M.; Bayliss, M.; Benson, B. A.; Bocquet, S.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Chiu, I.; Cho, H. M.; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; Desai, S.; Dietrich, J. P.; Dobbs, M. A.; Foley, R. J.; Forman, W. R.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Halverson, N. W.; Hennig, C.; Hoekstra, H.; Holder, G. P.; Holzapfel, W. L.; Hrubes, J. D.; Jones, C.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; Liu, J.; Lueker, M.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Meyer, S. S.; Mocanu, L.; Mohr, J. J.; Murray, Stephen S.; Padin, S.; Pryke, C.; Reichardt, C. L.; Rest, A.; Ruel, J.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Schrabback, T.; Shirokoff, E.; Song, J.; Spieler, H. G.; Stanford, S. A.; Staniszewski, Z.; Stark, Antony A.; Story, K. T.; Stubbs, C. W.; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, Alexey A.; Williamson, R.; Zahn, O.; Zenteno, A. (2015)
    We present a catalog of galaxy clusters selected via their Sunyaev-Zel&#39;dovich (SZ) effect signature from 2500 deg<SUP>2</SUP> of South Pole Telescope (SPT) data. This work represents the complete sample of clusters ...
  • Galaxy Clusters Selected via the Sunyaev-Zel&#39;dovich Effect in the SPTpol 100-square-degree Survey 
    Huang, N.; Bleem, L. E.; Stalder, Brian; Ade, P. A. R.; Allen, S. W.; Anderson, A. J.; Austermann, J. E.; Avva, J. S.; Beall, J. A.; Bender, A. N.; Benson, B. A.; Bianchini, F.; Bocquet, S.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Chiang, H. C.; Citron, R.; Moran, C. Corbett; Crawford, T. M.; Crites, A. T.; Haan, T. de; Dobbs, M. A.; Everett, W.; Floyd, B.; Gallicchio, J.; George, E. M.; Gilbert, A.; Gladders, M. D.; Guns, S.; Gupta, N.; Halverson, N. W.; Harrington, N.; Henning, J. W.; Hilton, G. C.; Holder, G. P.; Holzapfel, W. L.; Hrubes, J. D.; Hubmayr, J.; Irwin, K. D.; Khullar, G.; Knox, L.; Lee, A. T.; Li, D.; Lowitz, A.; McDonald, M.; McMahon, J. J.; Meyer, S. S.; Mocanu, L. M.; Montgomery, J.; Nadolski, A.; Natoli, T.; Nibarger, J. P.; Noble, G.; Novosad, V.; Padin, S.; Patil, S.; Pryke, C.; Reichardt, C. L.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Sharon, K.; Sievers, C.; Smecher, G.; Stark, Antony A.; Story, K. T.; Tucker, C.; Vanderlinde, K.; Veach, T.; Vieira, J. D.; Wang, G.; Whitehorn, N.; Wu, W. L. K.; Yefremenko, V. (2020)
    We present a catalog of galaxy cluster candidates detected in 100 square degrees surveyed with the SPTpol receiver on the South Pole Telescope. The catalog contains 89 candidates detected with a signal-to-noise ratio greater ...
  • Gas density fluctuations in the Perseus Cluster: clumping factor and velocity power spectrum 
    Zhuravleva, I.; Churazov, E.; Arévalo, P.; Schekochihin, A. A.; Allen, S. W.; Fabian, A. C.; Forman, W. R.; Sanders, J. S.; Simionescu, A.; Sunyaev, R.; Vikhlinin, Alexey A.; Werner, N. (2015)
    X-ray surface brightness fluctuations in the core of the Perseus Cluster are analysed, using deep observations with the Chandra observatory. The amplitude of gas density fluctuations on different scales is measured in a ...
  • Hitomi Constraints on the 3.5 keV Line in the Perseus Galaxy Cluster 
    Aharonian, F. A.; Akamatsu, H.; Akimoto, F.; Allen, S. W.; Angelini, L.; Arnaud, K. A.; Audard, M.; Awaki, H.; Axelsson, M.; Bamba, A.; Bautz, M. W.; Blandford, R. D.; Bulbul, E.; Brenneman, L. W.; Brown, G. V.; Cackett, E. M.; Chernyakova, M.; Chiao, M. P.; Coppi, P.; Costantini, E.; de Plaa, J.; den Herder, J. -W; Done, C.; Dotani, T.; Ebisawa, K.; Eckart, M. E.; Enoto, T.; Ezoe, Y.; Fabian, A. C.; Ferrigno, C.; Foster, A. R.; Fujimoto, R.; Fukazawa, Y.; Furuzawa, A.; Galeazzi, M.; Gallo, L. C.; Gandhi, P.; Giustini, M.; Goldwurm, A.; Gu, L.; Guainazzi, M.; Haba, Y.; Hagino, K.; Hamaguchi, K.; Harrus, I.; Hatsukade, I.; Hayashi, K.; Hayashi, T.; Hayashida, K.; Hiraga, J.; Hornschemeier, A. E.; Hoshino, A.; Hughes, J. P.; Ichinohe, Y.; Iizuka, R.; Inoue, H.; Inoue, S.; Inoue, Y.; Ishibashi, K.; Ishida, M.; Ishikawa, K.; Ishisaki, Y.; Itoh, M.; Iwai, M.; Iyomoto, N.; Kaastra, J. S.; Kallman, T.; Kamae, T.; Kara, E.; Kataoka, J.; Katsuda, S.; Katsuta, J.; Kawaharada, M.; Kawai, N.; Kelley, R. L.; Khangulyan, D.; Kilbourne, C. A.; King, A. L.; Kitaguchi, T.; Kitamoto, S.; Kitayama, T.; Kohmura, T.; Kokubun, M.; Koyama, S.; Koyama, K.; Kretschmar, P.; Krimm, H. A.; Kubota, A.; Kunieda, H.; Laurent, P.; Lebrun, F.; Lee, S. -H; Leutenegger, M. A.; Limousin, O.; Loewenstein, M.; Long, K. S.; Lumb, D. H.; Madejski, G. M.; Maeda, Y.; Maier, D.; Makishima, K.; Markevitch, M.; Matsumoto, H.; Matsushita, K.; McCammon, D.; McNamara, B. R.; Mehdipour, M.; Miller, E. D.; Miller, J. M.; Mineshige, S.; Mitsuda, K.; Mitsuishi, I.; Miyazawa, T.; Mizuno, T.; Mori, H.; Mori, K.; Moseley, H.; Mukai, K.; Murakami, H.; Murakami, T.; Mushotzky, R. F.; Nakagawa, T.; Nakajima, H.; Nakamori, T.; Nakano, T.; Nakashima, S.; Nakazawa, K.; Nobukawa, K.; Nobukawa, M.; Noda, H.; Nomachi, M.; O'Dell, S. L.; Odaka, H.; Ohashi, T.; Ohno, M.; Okajima, T.; Ota, N.; Ozaki, M.; Paerels, F.; Paltani, S.; Parmar, A.; Petre, R.; Pinto, C.; Pohl, M.; Porter, F. S.; Pottschmidt, K.; Ramsey, B. D.; Reynolds, C. S.; Russell, H. R.; Safi-Harb, S.; Saito, S.; Sakai, K.; Sameshima, H.; Sasaki, T.; Sato, G.; Sato, K.; Sato, R.; Sawada, M.; Schartel, N.; Serlemitsos, P. J.; Seta, H.; Shidatsu, M.; Simionescu, A.; Smith, R. K.; Soong, Y.; Stawarz, L.; Sugawara, Y.; Sugita, S.; Szymkowiak, A. E.; Tajima, H.; Takahashi, H.; Takahashi, T.; Takeda, S.; Takei, Y.; Tamagawa, T.; Tamura, K.; Tamura, T.; Tanaka, T.; Tanaka, Yasuo; Tanaka, Yasuyuki; Tashiro, M.; Tawara, Y.; Terada, Y.; Terashima, Y.; Tombesi, F.; Tomida, H.; Tsuboi, Y.; Tsujimoto, M.; Tsunemi, H.; Tsuru, T.; Uchida, H.; Uchiyama, H.; Uchiyama, Y.; Ueda, S.; Ueda, Y.; Ueno, S.; Uno, S.; Urry, C. M.; Ursino, E.; de Vries, C. P.; Watanabe, S.; Werner, N.; Wik, D. R.; Wilkins, D. R.; Williams, B. J.; Yamada, S.; Yamaguchi, H.; Yamaoka, K.; Yamasaki, N. Y.; Yamauchi, M.; Yamauchi, S.; Yaqoob, T.; Yatsu, Y.; Yonetoku, D.; Yoshida, A.; Zhuravleva, I.; Zoghbi, A.; Hitomi Collaboration (2017)
    High-resolution X-ray spectroscopy with Hitomi was expected to resolve the origin of the faint unidentified E˜ 3.5 {keV} emission line reported in several low-resolution studies of various massive systems, such as galaxies ...
  • Large-scale Motions in the Perseus Galaxy Cluster 
    Simionescu, A.; Werner, N.; Urban, O.; Allen, S. W.; Fabian, A. C.; Sanders, J. S.; Mantz, A.; Nulsen, P. E. J.; Takei, Y. (2012)
    By combining large-scale mosaics of ROSAT PSPC, XMM-Newton, and Suzaku X-ray observations, we present evidence for large-scale motions in the intracluster medium of the nearby, X-ray bright Perseus Cluster. These motions ...
  • A Measurement of Gravitational Lensing of the Cosmic Microwave Background by Galaxy Clusters Using Data from the South Pole Telescope 
    Baxter, E. J.; Keisler, R.; Dodelson, S.; Aird, K. A.; Allen, S. W.; Ashby, Matthew L. N.; Bautz, M.; Bayliss, M.; Benson, B. A.; Bleem, L. E.; Bocquet, S.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Chiu, I.; Cho, H. -M; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; Desai, S.; Dietrich, J. P.; de Haan, T.; Dobbs, M. A.; Foley, R. J.; Forman, W. R.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Halverson, N. W.; Harrington, N. L.; Hennig, C.; Hoekstra, H.; Holder, G. P.; Holzapfel, W. L.; Hou, Z.; Hrubes, J. D.; Jones, C.; Knox, L.; Lee, A. T.; Leitch, E. M.; Liu, J.; Lueker, M.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Meyer, S. S.; Millea, M.; Mocanu, L. M.; Murray, Stephen S.; Padin, S.; Pryke, C.; Reichardt, C. L.; Rest, A.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Shirokoff, E.; Song, J.; Spieler, H. G.; Stalder, B.; Stanford, S. A.; Staniszewski, Z.; Stark, Antony A.; Story, K. T.; van Engelen, A.; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, Alexey A.; Williamson, R.; Zahn, O.; Zenteno, A. (2015)
    Clusters of galaxies are expected to gravitationally lens the cosmic microwave background (CMB) and thereby generate a distinct signal in the CMB on arcminute scales. Measurements of this effect can be used to constrain ...
  • A multiwavelength view of cooling versus AGN heating in the X-ray luminous cool-core of Abell 3581 
    Canning, R. E. A.; Sun, M.; Sanders, J. S.; Clarke, T. E.; Fabian, A. C.; Giacintucci, S.; Lal, D. V.; Werner, N.; Allen, S. W.; Donahue, M.; Edge, A. C.; Johnstone, R. M.; Nulsen, P. E. J.; Salomé, P.; Sarazin, C. L. (2013)
    We report the results of a multiwavelength study of the nearby galaxy group, Abell 3581 (z = 0.0218). This system hosts the most luminous cool core of any nearby group and exhibits active radio mode feedback from the ...
  • The nature and energetics of AGN-driven perturbations in the hot gas in the Perseus Cluster 
    Zhuravleva, I.; Churazov, E.; Arévalo, P.; Schekochihin, A. A.; Forman, W. R.; Allen, S. W.; Simionescu, A.; Sunyaev, R.; Vikhlinin, Alexey A.; Werner, N. (2016)
    Cores of relaxed galaxy clusters are often disturbed by AGN. Their Chandra observations revealed a wealth of structures induced by shocks, subsonic gas motions, bubbles of relativistic plasma, etc. In this paper, we determine ...
  • The Nature of Filamentary Cold Gas in the Core of the Virgo Cluster 
    Werner, N.; Oonk, J. B. R.; Canning, R. E. A.; Allen, S. W.; Simionescu, A.; Kos, J.; van Weeren, R. J.; Edge, A. C.; Fabian, A. C.; von der Linden, A.; Nulsen, P. E. J.; Reynolds, C. S.; Ruszkowski, M. (2013)
    We present a multi-wavelength study of the emission-line nebulae located ~38&#39;&#39; (3 kpc in projection) southeast of the nucleus of M87, the central dominant galaxy of the Virgo Cluster. We report the detection of ...
  • The origin of cold gas in giant elliptical galaxies and its role in fuelling radio-mode AGN feedback 
    Werner, N.; Oonk, J. B. R.; Sun, M.; Nulsen, P. E. J.; Allen, S. W.; Canning, R. E. A.; Simionescu, A.; Hoffer, A.; Connor, T.; Donahue, M.; Edge, A. C.; Fabian, A. C.; von der Linden, A.; Reynolds, C. S.; Ruszkowski, M. (2014)
    The nature and origin of the cold interstellar medium (ISM) in early-type galaxies are still a matter of debate, and understanding the role of this component in galaxy evolution and in fuelling the central supermassive ...
  • Powerful AGN jets and unbalanced cooling in the hot atmosphere of IC 4296 
    Grossová, R.; Werner, N.; Rajpurohit, K.; Mernier, F.; Lakhchaura, K.; Gabányi, K.; Canning, R. E. A.; Nulsen, Paul; Massaro, F.; Sun, M.; Connor, T.; King, A.; Allen, S. W.; Frisbie, R. L. S.; Donahue, M.; Fabian, A. C. (2019)
    We present new Karl G. Jansky Very Large Array (VLA, 1.5 GHz) radio data for the giant elliptical galaxy IC 4296, supported by archival radio, X-ray (Chandra, and XMM-Newton) and optical (SOAR, and HST) observations. The ...

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