Showing 541 - 560 results of 769 for search '"galaxy cluster"', query time: 0.11s Refine Results
  1. 541

    New Constraints on Spatial Variations of the Fine Structure Constant from Clusters of Galaxies by Ivan De Martino, Carlos J. A. P. Martins, Harald Ebeling, Dale Kocevski

    Published 2016-12-01
    “…Although our results are not competitive with the ones from quasar absorption lines, we improved by a factor 10 and ∼2.5 previous results from Cosmic Microwave Background power spectrum and from galaxy clusters, respectively.…”
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    Article
  2. 542

    OLIMPO: A balloon-borne SZE imager to probe ICM dynamics and the WHIM by Sayers J., Avestruz C., Thakur R. Basu, Battistelli E., Bulbul E., Cacciotti F., Columbro F., Coppolecchia A., Cray S., D’Alessandro G., de Bernardis P., De Petris M., Hanany S., Lamagna L., Lau E., Masi S., Paiella A., Pettinari G., Piacentini F., Rapaport E., Rudnick L., Zhuravleva I., ZuHone J.

    Published 2024-01-01
    “…During a 25 day flight OLIMPO will image a total of 10 z∼0.05 galaxy clusters and 8 bridges at 145, 250, 365, and 460 GHz at an angular resolution of 1.0′–3.3′. …”
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    Article
  3. 543

    Cluster-counterpart Voids: Void Identification from Galaxy Density Field by Junsup Shim, Changbom Park, Juhan Kim, Sungwook E. Hong

    Published 2023-01-01
    “…Our result demonstrates that we can apply this method to the galaxy redshift survey data to identify cosmic voids corresponding statistically to the galaxy clusters in a given mass range.…”
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    Article
  4. 544

    Galaxy Merger Candidates in High-redshift Cluster Environments by Delahaye, A. G., Webb, T. M. A., Nantais, J., DeGroot, A., Wilson, G., Muzzin, A., Yee, H. K. C., Foltz, R., Demarco, R., Tudorica, A., Cooper, M. C., Lidman, C., Perlmutter, S., Hayden, B., Boone, K., Surace, J., Noble, Allison G

    Published 2017
    “…We compile a sample of spectroscopically and photometrically selected cluster galaxies from four high-redshift galaxy clusters (1.59 < z < 1.71) from the Spitzer Adaptation of the Red-Sequence Cluster Survey (SpARCS), and a comparison field sample selected from the UKIDSS Deep Survey. …”
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    Article
  5. 545

    The APM cluster survey: Cluster detection and large-scale structure by Dalton, G

    Published 1995
    “…The APM Cluster Survey was based on a modification of Abell's original classification scheme for galaxy clusters. Here we discuss the results of an investigation of the stability of the statistical properties of the cluster catalogue to changes in the selection parameters. …”
    Conference item
  6. 546

    Adapted Method for Separating Kinetic SZ Signal from Primary CMB Fluctuations by Forni Olivier, Aghanim Nabila

    Published 2005-01-01
    “…To achieve these results, our method is based on the fact that some first-step component separation provides us with (i) a map of Compton parameters for the thermal Sunyaev-Zel'dovich (TSZ) effect of galaxy clusters, and (ii) a map of temperature fluctuations which is the sum of primary CMB and KSZ signals. …”
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    Article
  7. 547

    Cosmology from large-scale structure: constraining ΛCDM with BOSS by Troster, T, Sanchez, AG, Asgari, M, Blake, C, Crocce, M, Heymans, C, Hildebrandt, H, Joachimi, B, Joudaki, S, Kannawadi, A, Lin, C-A, Wright, A

    Published 2020
    “…We reanalyse the anisotropic galaxy clustering measurement from the Baryon Oscillation Spectroscopic Survey (BOSS), demonstrating that using the full shape information provides cosmological constraints that are comparable to other low-redshift probes. …”
    Journal article
  8. 548

    The SAMI Galaxy Survey: Mass as the driver of the kinematic morphology-density relation in clusters by Brough, S, van de Sande, J, Owers, MS, d’Eugenio, F, Sharp, R, Cortese, L, Scott, N, Croom, SM, Bassett, R, Bekki, K, Bland-Hawthorn, J, Bryant, JJ, Davies, R, Drinkwater, MJ, Driver, SP, Foster, C, Goldstein, G, López-Sánchez, ÁR, Medling, AM, Sweet, SM, Taranu, DS, Tonini, C, Yi, SK, Goodwin, M, Lawrence, JS, Richards, SN

    Published 2017
    “…We examine the kinematic morphology of early-type galaxies (ETGs) in eight galaxy clusters in the Sydney-AAO Multi-object Integral-field spectrograph Galaxy Survey. …”
    Journal article
  9. 549

    A GMRT Narrowband vs. Wideband Analysis of the ACT−CL J0034.4+0225 Field Selected from the ACTPol Cluster Sample by Sinenhlanhla P. Sikhosana, Kenda Knowles, C. H. Ishwara-Chandra, Matt Hilton, Kavilan Moodley, Neeraj Gupta

    Published 2021-12-01
    “…Low frequency radio observations of galaxy clusters are a useful probe of the non-thermal intracluster medium (ICM), through observations of diffuse radio emission such as radio halos and relics. …”
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    Article
  10. 550

    Ram Pressure Stripping in the EAGLE Simulation by Andrea Kulier, Bianca Poggianti, Stephanie Tonnesen, Rory Smith, Alessandro Ignesti, Nina Akerman, Antonino Marasco, Benedetta Vulcani, Alessia Moretti, Anna Wolter

    Published 2023-01-01
    “…Ram pressure stripping of satellite galaxies is thought to be a ubiquitous process in galaxy clusters, and a growing number of observations reveal satellites at different stages of stripping. …”
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    Article
  11. 551

    The Three Hundred–NIKA2 Sunyaev–Zeldovich Large Program twin samples: Synthetic clusters to support real observations by Paliwal A., Artis E., Cui W., De Petris M., Désert F.-X., Ferragamo A., Gianfagna G., Kéruzoré F., Macías-Pérez J.-F., Mayet F., Muñoz-Echeverría M., Perotto L., Rasia E., Ruppin F., Yepes G.

    Published 2022-01-01
    “…This SZ Large Program is observing a selection of galaxy clusters at intermediate and high redshift (0:5 < z < 0:9), covering one order of magnitude in mass. …”
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    Article
  12. 552

    Scale-dependent growth from a transition in dark energy dynamics by Amin, Mustafa Abdulkader, Zukin, Phillip Gregory, Bertschinger, Edmund

    Published 2012
    “…Going beyond the linearized regime, the quintessence field can fragment into large, localized, long-lived excitations (oscillons) with sizes comparable to galaxy clusters; this fragmentation could provide additional observational constraints. …”
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    Article
  13. 553

    Cluster Distances: the Good, the Bad and the Ugly by Lucey, JR, Smith, R, Hudson, M, Schlegel, D, Davies, R

    Published 1999
    “…Galaxy clusters are important targets for peculiar velocity studies as a direct comparison of the various distance indicators can be made. …”
    Conference item
  14. 554

    Self-interacting dark matter on small and large scales by Camila A. Correa

    Published 2023-07-01
    “…SIDM has been constrained by observations of galaxy clusters. More recently, measurements of large DM densities at the center of the Milky Way's galaxy satellites are indicating that DM-DM interactions can potentially induce gravothermal core collapse. …”
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    Article
  15. 555

    Visualization of 3D galaxy and quasar data by Tan, Cheng Jie

    Published 2012
    “…Recent advances in observatory astronomy have brought in a large volume of high quality data about the very far end of our universe, including galaxy, clusters, quasars, etc. The aim of this project was to develop a visualization of these 3D data for possible inclusion in a digital planetarium project. …”
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    Final Year Project (FYP)
  16. 556

    Planck intermediate results. VIII. Filaments between interacting clusters by Collaboration, P, Ade, P, Aghanim, N, Arnaud, M, Ashdown, M, Atrio-Barandela, F, Aumont, J, Baccigalupi, C, Balbi, A, Banday, A, Barreiro, R, Bartlett, J, Battaner, E, Benabed, K, Benoît, A, Bernard, J, Bersanelli, M, Bhatia, R, Bikmaev, I, Böhringer, H, Bonaldi, A, Bond, JR, Borrill, J, Bouchet, F, Bourdin, H

    Published 2012
    “…Using the Planck data we construct a local map of the tSZ effect centered on each pair of galaxy clusters. ROSAT data is used to construct X-ray maps of these pairs. …”
    Journal article
  17. 557
  18. 558

    Constraints on the Hosts of UHECR Accelerators by Marco Stein Muzio, Glennys R. Farrar

    Published 2023-01-01
    “…Applying this to candidate sources with a simple structure shows that starburst galaxies are consistent with these constraints, but galaxy clusters are in tension with them. For multicomponent systems like active galactic nuclei and gamma-ray bursts, the results are indicative, but a customized analysis is needed for definitive conclusions.…”
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    Article
  19. 559

    Radio galaxies and energetics of the intracluster medium by Begelman, M

    Published 2002
    “…The time- and ensemble-averaged mechanical energy outputs of radio galaxies may be large enough to offset much of the cooling inferred from X-ray observations of galaxy clusters. But does this heating actually counterbalance the cooling, diminishing cooling flows or quenching them altogether? …”
    Conference item
  20. 560

    The large-scale structure of the universe by McGill, C, Colin Andrew McGill

    Published 1987
    “…Chapter 4 is concerned with two-point correlation functions for galaxies, clusters and super-clusters. In Chapter 5, some effects of using velocity as a distance measure are examined. …”
    Thesis