Galaxy formation and evolution

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High-Resolution Radiative Transfer Modelling of M33

ArXiv 1905.09838 (2019)

Authors:

Thomas G Williams, Maarten Baes, Ilse De Looze, Monica Relaño, Matthew WL Smith, Sam Verstocken, Sébastien Viaene
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Titans of the Early Universe: The Prato Statement on the Origin of the First Supermassive Black Holes

(2019)

Authors:

Tyrone E Woods, Bhaskar Agarwal, Volker Bromm, Andrew Bunker, Ke-Jung Chen, Sunmyon Chon, Andrea Ferrara, Simon CO Glover, Lionel Haemmerle, Zoltan Haiman, Tilman Hartwig, Alexander Heger, Shingo Hirano, Takashi Hosokawa, Kohei Inayoshi, Ralf S Klessen, Chiaki Kobayashi, Filippos Koliopanos, Muhammad A Latif, Yuexing Li, Lucio Mayer, Mar Mezcua, Priyamvada Natarajan, Fabio Pacucci, Martin J Rees, John A Regan, Yuya Sakurai, Stefania Salvadori, Raffaella Schneider, Marco Surace, Takamitsu L Tanaka, Daniel J Whalen, Naoki Yoshida
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Tidal disruption events onto stellar black holes in triples

(2019)

Authors:

Giacomo Fragione, Nathan Leigh, Rosalba Perna, Bence Kocsis
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Cosmic ray acceleration to ultrahigh energy in radio galaxies

EPJ Web of Conferences EDP Sciences (2019)

Authors:

James H Matthews, Anthony R Bell, Anabella T Araudo, Katherine M Blundell

Abstract:

The origin of ultrahigh energy cosmic rays (UHECRs) is an open question. In this proceeding, we first review the general physical requirements that a source must meet for acceleration to 10-100 EeV, including the consideration that the shock is not highly relativistic. We show that shocks in the backflows of radio galaxies can meet these requirements. We discuss a model in which giant-lobed radio galaxies such as Centaurus A and Fornax A act as slowly-leaking UHECR reservoirs, with the UHECRs being accelerated during a more powerful past episode. We also show that Centaurus A, Fornax A and other radio galaxies may explain the observed anisotropies in data from the Pierre Auger Observatory, before examining some of the difficulties in associating UHECR anisotropies with astrophysical sources.
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Modelling baryonic feedback for survey cosmology

(2019)

Authors:

Nora Elisa Chisari, Alexander J Mead, Shahab Joudaki, Pedro Ferreira, Aurel Schneider, Joseph Mohr, Tilman Tröster, David Alonso, Ian G McCarthy, Sergio Martin-Alvarez, Julien Devriendt, Adrianne Slyz, Marcel P van Daalen
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