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    Galaxy Cluster Abell 2108 tagged posts

    Second Radio Relic discovered in the Galaxy Cluster Abell 2108

    December 21, 2023, Categories  Astronomy/Space

    Second radio relic discovered in the galaxy cluster Abell 2108
    Color composite image of Abell 2108 showing Pan-STARRS ‘r’ band optical image in green, XMM-Newton X-ray in blue, and uGMRT point source removed radio image in red. Credit: arXiv (2023). DOI: 10.48550/arxiv.2312.04170

    Astronomers from India and Taiwan have used the upgraded Giant Metrewave Radio Telescope (uGMRT) to perform radio observations of a galaxy cluster known as Abell 2108. As a result, they detected a second radio relic, which is much larger and differs in morphology from the previously identified relic in this cluster. The finding was reported in a paper published Dec. 7 on the pre-print server arXiv.

    Radio relics are diffuse, elongated radio sources of synchrotron origin...

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