collaborators

5 papers

astro-ph.CO2026

Galaxy clusters in the LoTSS-DR3: Catalogues and detection pipeline for diffuse radio emission

C. Stuardi, G. Di Gennaro, A. Botteon +19

The third data release of the LOFAR Two-metre Sky Survey provides an unprecedented view of the northern sky at 144 MHz. While compact sources can be efficiently identified with aut…

astro-ph.CO2026

Cosmological simulation of a radio synchrotron bridge between pre-merging galaxy clusters

Kosuke Nishiwaki, Gianfranco Brunetti, Franco Vazza +1

Radio bridges are diffuse synchrotron emission observed between merging galaxy clusters. Recent radio observations have reported both detections and non-detections of radio bridges…

astro-ph.CO2025

Revealing the intricacies of radio galaxies and filaments in the merging galaxy cluster Abell 2255. II. Properties of filaments using multi-frequency radio data

E. De Rubeis, M. Bondi, A. Botteon +11

In this paper, we aim to further analyze the filaments in Abell 2255 combining LOFAR data with uGMRT (1260 MHz) and VLA (1520 MHz) data to constrain the spectral shape of the filam…

astro-ph.GA2025

Revealing the intricacies of radio galaxies and filaments in the merging galaxy cluster Abell 2255. I. Insights from deep LOFAR-VLBI sub-arcsecond resolution images

E. De Rubeis, M. Bondi, A. Botteon +7

High sensitivity of modern interferometers is revealing a plethora of filaments surrounding radio galaxies, especially in galaxy cluster environments. The morphology and spectral c…

astro-ph.CO2025

Radio emission from a massive node of the cosmic web. A discovery powered by machine learning

C. Stuardi, A. Botteon, M. Sereno +4

Aims. We aim to understand the nature of the diffuse radio emission surrounding the massive galaxy cluster PSZ2 G083.29-31.03, at z=0.412, already known to host a radio halo. Our i…