Search Results - "Marchegiani, Paolo"

Sunyaev Zel’dovich effect in galaxy clusters cavities: Thermal or non-thermal origin? by Marchegiani, Paolo

“…Several galaxy clusters host X-ray cavities, often filled with relativistic electrons emitting in the radio band. In the cluster MS 0735.6+7421 the cavities…”
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The application of the adiabatic compression scenario to the radio relic in the galaxy cluster Abell 3411−3412 by Button, Charissa, Marchegiani, Paolo

“…ABSTRACT Although radio relics are understood to originate in intracluster shock waves resulting from merger shocks, the most widely used model for describing…”
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Puzzling large-scale polarization in the galaxy cluster Abell 523 by Vacca, Valentina, Govoni, Federica, Murgia, Matteo, Perley, Richard A, Feretti, Luigina, Giovannini, Gabriele, Carretti, Ettore, Gastaldello, Fabio, Cova, Filippo, Marchegiani, Paolo, Battistelli, Elia, Boschin, Walter, Enßlin, Torsten A, Girardi, Marisa, Loi, Francesca, Radiconi, Federico

“…ABSTRACT Large-scale magnetic fields reveal themselves through diffuse synchrotron sources observed in galaxy clusters such as radio halos. Total intensity…”
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Relativistic inverse Compton scattering of photons from the early universe by Malu, Siddharth, Datta, Abhirup, Colafrancesco, Sergio, Marchegiani, Paolo, Subrahmanyan, Ravi, Narasimha, D., Wieringa, Mark H.

“…Electrons at relativistic speeds, diffusing in magnetic fields, cause copious emission at radio frequencies in both clusters of galaxies and radio galaxies…”
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The application of the adiabatic compression scenario to the radio relic in the galaxy cluster Abell 3411-3412 by Button, Charissa, Marchegiani, Paolo

“…Although radio relics are understood to originate in intracluster shock waves resulting from merger shocks, the most widely used model for describing this…”
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Filaments in and between galaxy clusters at low and mid-frequency with the SKA telescope by Vacca, Valentina, Govoni, Federica, Murgia, Matteo, Loi, Francesca, Feretti, Luigina, Li, Hui, Battistelli, Elia, Enßlin, Torsten A, Marchegiani, Paolo

“…Understanding the magnetised Universe is a major challenge in modern astrophysics, and cosmic magnetism has been acknowledged as one of the science key drivers…”
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Simulated differential observations of the Sunyaev-Zel'dovich Effect: Probing the Dark Ages and Epoch of Reionization by Takalana, Charles Mpho, Marchegiani, Paolo, Beck, Geoff, Colafrancesco, Sergio

“…Astrophys Space Sci 365:188(2020) This work presents an analytical approach for studying the cosmological 21cm background signal from the Dark Ages (DA) and…”
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Differential Observation Techniques for the SZE-21cm and radio sources by Takalana, Charles Mpho, Marchegiani, Paolo, Colafrancesco, Sergio

“…PoS(HEASA2018)006 The SZE-21cm has been proposed as an alternative probe for the Dark Ages (DA) and the Epoch of Reionization (EoR). The effect is produced…”
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Analysis of differential observations of the cosmological radio background : studying the SZE-21cm by Takalana, Charles Mpho, Colafrancesco, Sergio, Marchegiani, Paolo

“…PoS(HEASA2017)008 In pursuit of understanding the early Universe and early processes occurring particularly in the Dark Ages (DA) and the Epoch of Reionization…”
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Puzzling large-scale polarization in the galaxy cluster Abell 523 by Vacca, Valentina, Govoni, Federica, Murgia, Matteo, Perley, Richard A, Feretti, Luigina, Giovannini, Gabriele, Carretti, Ettore, Gastaldello, Fabio, Cova, Filippo, Marchegiani, Paolo, Battistelli, Elia, Boschin, Walter, Ensslin, Torsten A, Girardi, Marisa, Loi, Francesca, Radiconi, Federico

“…Large-scale magnetic fields reveal themselves through diffuse synchrotron sources observed in galaxy clusters such as radio halos. Total intensity filaments of…”
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Relativistic inverse Compton scattering of photons from the early universe by Malu, Siddharth, Datta, Abhirup, Colafrancesco, Sergio, Marchegiani, Paolo, Subrahmanyan, Ravi, Narasimha, D, Wieringa, Mark H

“…Electrons at relativistic speeds, diffusing in magnetic fields, cause copious emission at radio frequencies in both clusters of galaxies and radio galaxies,…”
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The impact of non-Planckian effects on cosmological radio backgrounds by Colafrancesco, Sergio, Emritte, Mohammad Shehzad, Marchegiani, Paolo

“…Non-Planckian (NP) spectral modifications of the CMB radiation spectrum can be produced due to the existence of a non-zero value of the plasma frequency at the…”
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The 5th edition of the Roma-BZCAT. A short presentation by Massaro, Enrico, Maselli, Alessandro, Leto, Cristina, Marchegiani, Paolo, Perri, Matteo, Giommi, Paolo, Piranomonte, Silvia

“…The 5th edition of the Roma-BZCAT Multifrequency Catalogue of Blazars is available in a printed version and online at the ASDC website…”
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Probing the nature of Dark Matter with the SKA by Colafrancesco, Sergio, Regis, Marco, Marchegiani, Paolo, Beck, Geoff, Beck, Rainer, Zechlin, Hannes, Lobanov, Andrei, Horns, Dieter

“…Dark Matter (DM) is a fundamental ingredient of our Universe and of structure formation, and yet its nature is elusive to astrophysical probes. Information on…”
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Galaxy Cluster Science with the Sunyaev-Zel'dovich Effect by Grainge, Keith, Borgani, Stefano, Colafrancesco, Sergio, Ferrari, Chiara, Scaife, Anna, Marchegiani, Paolo, Emritte, S, Weller, J

“…Studying galaxy clusters through their Sunyaev-Zel'dovich (SZ) imprint on the Cosmic Microwave Background has many important advantages. The total SZ signal is…”
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Low-resolution spectroscopy of the Sunyaev-Zel'dovich effect and estimates of cluster parameters by de Bernardis, Paolo, Colafrancesco, Sergio, Alessandro, Giuseppe D', Lamagna, Luca, Marchegiani, Paolo, Masi, Silvia, Schillaci, Alessandro

“…Astronomy and Astrophysics, 538, A86, 2012 The Sunyaev-Zel'dovich (SZ) effect is a powerful tool for studying clusters of galaxies and cosmology. Large mm-wave…”
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