The Second Radio Synchrotron Background Workshop: Conference Summary and Report

J. Singal, N. Fornengo, M. Regis, G. Bernardi, D. Bordenave, E. Branchini, N. Cappelluti, A. Caputo, I. P. Carucci, J. Chluba, A. Cuoco, C. DiLullo, A. Fialkov, C. Hale, S. E. Harper, S. Heston, G. Holder, A. Kogut, M. G. H. Krause, J. P. LeahyS. Mittal, R. A. Monsalve, G. Piccirilli, E. Pinetti, S. Recchia, M. Taoso, E. Todarello

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We summarize the second radio synchrotron background workshop, which took place on 2022 June 15–17 in Barolo, Italy. This meeting was convened because available measurements of the diffuse radio zero level continue to suggest that it is several times higher than can be attributed to known Galactic and extragalactic sources and processes, rendering it the least well-understood electromagnetic background at present and a major outstanding question in astrophysics. The workshop agreed on the next priorities for investigations of this phenomenon, which include searching for evidence of the radio Sunyaev–Zel’dovich effect, carrying out cross-correlation analyses of radio emission with other tracers, and supporting the completion of the 310 MHz absolutely calibrated sky map project.
Original languageEnglish
Article number036001
Pages (from-to)1-33
Number of pages33
JournalPublications of the Astronomical Society of the Pacific
Issue number1045
Publication statusPublished - 20 Mar 2023


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