Using the Australian Square Kilometer Array Pathfinder (ASKAP), an international team of astronomers has detected a radio relic in a merging galaxy cluster known as SPT-CL 2023-5535. The discovery is reported in a research paper published July 16 on the arXiv pre-print repository.
Source:
https://phys.org/news/2020-07-radio-relic-merging-galaxy-cluster.html