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Evidence for AGN Feedback in Galaxy Clusters and Groups
Published 2012-01-01“…The current generation of flagship X-ray missions, Chandra and XMM-Newton, has changed our understanding of the so-called “cool-core” galaxy clusters and groups. Instead of the initial idea that the thermal gas is cooling and flowing toward the center, the new picture envisages a complex dynamical evolution of the intracluster medium (ICM) regulated by the radiative cooling and the nongravitational heating from the active galactic nucleus (AGN). …”
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COSMIC: A Galaxy Cluster–Finding Algorithm Using Machine Learning
Published 2025-01-01Subjects: “…Galaxy clusters…”
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3
Detection of a New GeV Source in the Outer Region of the Coma Cluster: A Signature of External Accretion Shock?
Published 2025-01-01Subjects: “…Galaxy clusters…”
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COOL-LAMPS. VII. Quantifying Strong-lens Scaling Relations with 177 Cluster-scale Strong Gravitational Lenses in DECaLS
Published 2025-01-01Subjects: “…Galaxy clusters…”
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5
Suzaku Observations of the Cold Front in A3667: A Nonequilibrium Ionization State of the Intracluster Medium
Published 2025-01-01Subjects: “…Galaxy clusters…”
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Spectroscopic Confirmation of a Massive Protocluster with Two Substructures at z ≃ 3.1
Published 2025-01-01Subjects: “…High-redshift galaxy clusters…”
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Accuracy of the Photometric Redshifts of Brightest Cluster Galaxies Identified in the CFHTLS-W1
Published 2024-12-01Subjects: Get full text
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Discovering Large-scale Structure at 2 < z < 5 in the C3VO Survey
Published 2025-01-01Subjects: Get full text
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10
UPdec-Webb: A Data Set for Coaddition of JWST NIRCam Images
Published 2025-01-01Subjects: Get full text
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11
Early Enrichment Population Theory at High Redshift
Published 2025-01-01Subjects: “…Galaxy clusters…”
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Cluster Candidates with Massive Quiescent Galaxies at z ∼ 2
Published 2025-01-01Subjects: “…Galaxy clusters…”
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13
Strong-lensing Analysis of SPT-CL J2325−4111 and SPT-CL J0049−2440, Two Powerful Cosmic Telescopes (RE > 40″) from the SPT Clusters Sample
Published 2025-01-01Subjects: Get full text
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14
Hubble Space Telescope Observations within the Sphere of Influence of the Powerful Supermassive Black Hole in PKS 0745-191
Published 2025-01-01Subjects: Get full text
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15
The Theory of Resonant Cosmic Ray–driven Instabilities—Growth and Saturation of Single Modes
Published 2025-01-01“…We show that these kinetic simulations support our theoretical considerations, thus potentially foreshadowing a revision of the theory of CR transport in galaxies and galaxy clusters.…”
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Non-Gaussianity from Large-Scale Structure Surveys
Published 2010-01-01“…With the advent of galaxy surveys which provide large samples of galaxies or galaxy clusters over a volume comparable to the horizon size (SDSS-III, HETDEX, Euclid, JDEM, LSST, Pan-STARRS, CIP, etc.) or mass-selected large cluster samples over a large fraction of the extra-galactic sky (Planck, SPT, ACT, CMBPol, B-Pol), it is timely to investigate what constraints these surveys can impose on primordial non-Gaussianity. …”
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Dwarf Galaxies in Voids: Dark Matter Halos and Gas Cooling
Published 2010-01-01“…Galaxy surveys have shown that luminous galaxies are mainly distributed in large filaments and galaxy clusters. The remaining large volumes are virtually devoid of luminous galaxies. …”
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18
H i Intensity Mapping Cross-correlation with Thermal Sunyaev–Zel’dovich Fluctuations: Forecasted Cosmological Parameter Estimation for FAST and Planck
Published 2025-01-01“…In this paper, we forecast for the cross-correlation between the thermal Sunyaev–Zel’dovich (SZ) fluctuations as probed by the Planck satellite and fluctuations in the H i brightness temperature as probed by the ground-based Five-hundred-meter Aperture Spherical Telescope to trace the connection between galaxy clusters and the H i LSS. Assuming that the measurement is limited by instrumental noise rather than by foreground, we estimate the potential detectability of the cross-correlation signal and the improvement in the measurement of the H i cosmic density, the hydrostatic mass bias parameter, and the universal pressure profile parameters. …”
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Simons Observatory: Predeployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands
Published 2025-01-01“…These data will provide new insights into the genesis, content, and history of our Universe, the astrophysics of galaxies and galaxy clusters, objects in our solar system, and time-varying astrophysical phenomena. …”
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Improving H2RG Performance in SPHEREx Brassboard Model
Published 2025-01-01“…We focus on the effectiveness of multiple reference samplings to reduce 1/ f noise most relevant to the galaxy formation analysis, in particular the noise on large angular scales k <0.13 [pix ^−1 ] (∼5″–20″) where the imprints of galaxy clustering will be measured. Our characterization confirms that increased sampling of reference pixels successfully reduces the 1/ f noise by ∼50% at these scales. …”
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