Using the MeerKAT radio telescope, an international team of astronomers has performed observations of a galaxy cluster designated SPT-CLJ2337−5942. The observational campaign revealed the presence of an ultra-steep spectrum radio halo in this cluster. The finding is presented in a paper published Sept. 9 on the arXiv preprint server.



Summary

Astronomers using the MeerKAT telescope observed the galaxy cluster SPT-CLJ2337−5942 and discovered an ultra-steep spectrum radio halo within it. This finding, detailed in a paper published on arXiv, highlights the telescope’s capabilities in probing radio emissions from distant cosmic structures. The observation contributes to our understanding of galaxy clusters and the complex processes occurring within them, particularly the origin and evolution of radio halos, which are diffuse radio sources extending across large regions of galaxy clusters.

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