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dc.citation.number 1 -
dc.citation.startPage 10 -
dc.citation.title Galaxies -
dc.citation.volume 10 -
dc.contributor.author Hoeft, Matthias -
dc.contributor.author Rajpurohit, Kamlesh -
dc.contributor.author Wittor, Denis -
dc.contributor.author di Gennaro, Gabriella -
dc.contributor.author Domínguez-Fernández, Paola -
dc.date.accessioned 2023-12-21T14:37:21Z -
dc.date.available 2023-12-21T14:37:21Z -
dc.date.created 2023-03-06 -
dc.date.issued 2022-02 -
dc.description.abstract Radio relics are extended radio emission features which trace shock waves in the periphery of galaxy clusters originating from cluster mergers. Some radio relics show a highly polarised emission, which make relics an excellent probe for the magnetisation of the intra-cluster medium. The origin of the relic polarisation is still debated. It could be a result of tangentially stretching the magnetic field at the shock surface. This scenario would naturally explain the alignment of the polarisation (E-vectors) with the shock normal. We have implemented a toy model for the relic polarisation according to this scenario. We find that the magnetic field strength itself crucially affects the fractional polarisation. Moreover, we find that the shock strength has surprisingly little effect on the overall polarisation fraction. Finally, we find that the fractional polarisation may decrease downstream depending on the magnetic field strength. Our results demonstrates that the shock compression scenario provides a very plausible explanation for the radio relic polarisation which specific features permitting to test the origin of radio relic polarisation. -
dc.identifier.bibliographicCitation Galaxies, v.10, no.1, pp.10 -
dc.identifier.doi 10.3390/galaxies10010010 -
dc.identifier.issn 2075-4434 -
dc.identifier.scopusid 2-s2.0-85123553611 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/62221 -
dc.language 영어 -
dc.publisher MDPI AG -
dc.title On the Polarisation of Radio Relics -
dc.type Article -
dc.description.isOpenAccess TRUE -
dc.type.docType Article -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Galaxy clusters -
dc.subject.keywordAuthor Intra-cluster medium -
dc.subject.keywordAuthor Magnetic field topology -
dc.subject.keywordAuthor Polarisation -
dc.subject.keywordAuthor Radio relics -

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