Search Results - "Intema, Huib T"

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  1. 1

    The angular power spectrum measurement of the Galactic synchrotron emission in two fields of the TGSS survey by Choudhuri, Samir, Bharadwaj, Somnath, Ali, Sk. Saiyad, Roy, Nirupam, Intema, Huib. T., Ghosh, Abhik

    “…Abstract Characterizing the diffuse Galactic synchrotron emission at arcminute angular scales is needed to reliably remove foregrounds in cosmological 21-cm…”
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    Low-frequency radio study of MACS clusters at 610 and 235 MHz using the GMRT by Paul, Surajit, Salunkhe, Sameer, Datta, Abhirup, Intema, Huib T

    “…Abstract Studies have shown that mergers of massive galaxy clusters produce shocks and turbulence in the intracluster medium, these events possibly creating…”
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    All-sky angular power spectrum – I. Estimating brightness temperature fluctuations using the 150-MHz TGSS survey by Choudhuri, Samir, Ghosh, Abhik, Roy, Nirupam, Bharadwaj, Somnath, Intema, Huib T, Ali, Sk Saiyad

    “…ABSTRACT Measurements of the Galactic synchrotron emission are important for the 21-cm studies of the epoch of reionization. The study of synchrotron emission…”
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    A low-frequency radio halo survey of the South Pole Telescope SZ-selected clusters with the GMRT by Raja, Ramij, Rahaman, Majidul, Datta, Abhirup, van Weeren, Reinout J, Intema, Huib T, Paul, Surajit

    “…ABSTRACT The presence of non-thermal electrons and large-scale magnetic fields in the intracluster medium is known through the detection of megaparsec (Mpc)…”
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    Limits on long-time-scale radio transients at 150 MHz using the TGSS ADR1 and LoTSS DR2 catalogues by de Ruiter, Iris, Leseigneur, Guillaume, Rowlinson, Antonia, Wijers, Ralph A M J, Drabent, Alexander, Intema, Huib T, Shimwell, Timothy W

    “…ABSTRACT We present a search for transient radio sources on time-scales of 2–9 yr at 150 MHz. This search is conducted by comparing the first Alternative Data…”
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    Gentle reenergization of electrons in merging galaxy clusters by de Gasperin, Francesco, Intema, Huib T, Shimwell, Timothy W, Brunetti, Gianfranco, Brüggen, Marcus, Enßlin, Torsten A, van Weeren, Reinout J, Bonafede, Annalisa, Röttgering, Huub J A

    Published in Science advances (01-10-2017)
    “…Galaxy clusters are the most massive constituents of the large-scale structure of the universe. Although the hot thermal gas that pervades galaxy clusters is…”
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    Black hole jets on the scale of the cosmic web by Oei, Martijn S. S. L., Hardcastle, Martin J., Timmerman, Roland, Gast, Aivin R. D. J. G. I. B., Botteon, Andrea, Rodriguez, Antonio C., Stern, Daniel, Calistro Rivera, Gabriela, van Weeren, Reinout J., Röttgering, Huub J. A., Intema, Huib T., de Gasperin, Francesco, Djorgovski, S. G.

    Published in Nature (London) (19-09-2024)
    “…When sustained for megayears (refs.  1 , 2 ), high-power jets from supermassive black holes (SMBHs) become the largest galaxy-made structures in the Universe 3…”
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    What are the megahertz peaked-spectrum sources? by Coppejans, Rocco, Cseh, David, Velzen, Sjoert van, Falcke, Heino, Intema, Huib T, Paragi, Zsolt, Mueller, Cornelia, Williams, Wendy L, Frey, Sandor, Gurvits, Leonid I, Kording, Elmar G

    “…Megahertz peaked-spectrum (MPS) sources have spectra that peak at frequencies below 1 GHz in the observer's frame and are believed to be radio-loud active…”
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    Observations of a pre-merger shock in colliding clusters of galaxies by Gu, Liyi, Akamatsu, Hiroki, Shimwell, Timothy W., Intema, Huib T., van Weeren, Reinout J., de Gasperin, Francesco, Mernier, François, Mao, Junjie, Urdampilleta, Igone, de Plaa, Jelle, Parekh, Viral, Röttgering, Huub J. A., Kaastra, Jelle S.

    Published in Nature astronomy (01-09-2019)
    “…Clusters of galaxies are the largest known gravitationally bound structures in the Universe. When clusters collide, they create merger shocks on cosmological…”
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    All sky angular power spectrum: I. Estimating brightness temperature fluctuations using TGSS 150 MHz survey by Choudhuri, Samir, Ghosh, Abhik, Roy, Nirupam, Bharadwaj, Somnath, Intema, Huib. T, Ali, Sk. Saiyad

    Published 20-03-2020
    “…2020, MNRAS, 494, 1936 Measurements of the Galactic synchrotron emission is relevant for the 21-cm studies from the Epoch of Reionization. The study of the…”
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    Radio spectra of bright compact sources at z > 4.5 by Coppejans, Rocco, van Velzen, Sjoert, Intema, Huib T., Müller, Cornelia, Frey, Sándor, Coppejans, Deanne L., Cseh, Dávid, Williams, Wendy L., Falcke, Heino, Körding, Elmar G., Orrú, Emanuela, Paragi, Zsolt, Gabányi, Krisztina É.

    “…Abstract High-redshift quasars are important to study galaxy and active galactic nuclei evolution, test cosmological models and study supermassive black hole…”
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    Understanding the Nature of the Ultra-Steep Spectrum Diffuse Radio Source in the Galaxy Cluster Abell 272 by Whyley, Arthur, Randall, Scott W, Clarke, Tracy E, van Weeren, Reinout J, Rajpurohit, Kamlesh, Forman, William R, Edge, Alastair C, Blanton, Elizabeth L, Lovisari, Lorenzo, Intema, Huib T

    Published 07-02-2024
    “…Ultra-steep spectrum (USS) radio sources with complex filamentary morphologies are a poorly understood subclass of diffuse radio source found in galaxy…”
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    Black hole jets on the scale of the Cosmic Web by Oei, Martijn S. S. L, Hardcastle, Martin J, Timmerman, Roland, Gast, Aivin R. D. J. G. I. B, Botteon, Andrea, Rodriguez, Antonio C, Stern, Daniel, Rivera, Gabriela Calistro, van Weeren, Reinout J, Röttgering, Huub J. A, Intema, Huib T, de Gasperin, Francesco, Djorgovski, S. G

    Published 13-11-2024
    “…Nature, 2024, Volume 633, Issue 8030, Pages 537--541 Jets launched by supermassive black holes transport relativistic leptons, magnetic fields, and atomic…”
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    Low-frequency radio study of MACS clusters at 610 and 235 MHz using the GMRT by Paul, Surajit, Salunkhe, Sameer, Datta, Abhirup, Intema, Huib T

    Published 12-07-2019
    “…Monthly Notices of the Royal Astronomical Society, 2019, Volume 489, Issue 1: pp. 446 Studies have shown that mergers of massive galaxy clusters produce shocks…”
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    The radio spectral turnover of radio-loud quasars at $z>5 by Shao, Yali, Wagg, Jeff, Wang, Ran, Momjian, Emmanuel, Carilli, Chris L, Walter, Fabian, Riechers, Dominik A, Intema, Huib T, Weiss, Axel, Brunthaler, Andreas, Menten, Karl M

    Published 06-12-2021
    “…A&A 659, A159 (2022) We present Karl G. Jansky Very Large Array (VLA) S- (2--4 GHz), C- (4--8 GHz), and X-band (8--12 GHz) continuum observations toward seven…”
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    Limits on long-time-scale radio transients at 150 MHz using the TGSS ADR1 and LoTSS DR2 catalogues by de Ruiter, Iris, Leseigneur, Guillaume, Rowlinson, Antonia, Wijers, Ralph A. M. J, Drabent, Alexander, Intema, Huib T, Shimwell, Timothy W

    Published 13-10-2021
    “…MNRAS, Volume 508, Issue 2, December 2021, Pages 2412-2425 We present a search for transient radio sources on timescales of 2 to 9 yr at 150 MHz. This search…”
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