Peculiar radio structures in the central regions of galaxy cluster Abell 585

2014
journal article
article
cris.lastimport.wos2024-04-09T22:18:29Z
dc.abstract.enIn this paper, we analyse the peculiar radio structure observed across the central region of the galaxy cluster Abell 585 (z = 0.12). In the low-resolution radio maps, this structure appears uniform and diffuse on angular scales of ∼3 arcmin, and is seemingly related to the distant (z = 2.5) radio quasar B3 0727+409 rather than to the cluster itself. However, after a careful investigation of the unpublished archival radio data with better angular resolution, we resolve the structure into two distinct arcmin-scale features, which resemble typical lobes of cluster radio galaxies with no obvious connection to the background quasar. We support this conclusion by examining the spectral and polarization properties of the features, demonstrating in addition that the analysed structure can hardly be associated with any sort of a radio mini-halo or relics of the cluster. Yet at the same time we are not able to identify host galaxies of the radio lobes in the available optical and infrared surveys. We consider some speculative explanations for our findings, including gravitational wave recoil kicks of supermassive black holes responsible for the lobes’ formation in the process of merging massive ellipticals within the central parts of a rich cluster environment, but we do not reach any robust conclusions regarding the origin of the detected radio features.pl
dc.affiliationWydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut – Obserwatorium Astronomicznepl
dc.contributor.authorJamrozy, Marek - 128434 pl
dc.contributor.authorStawarz, Łukasz - 132081 pl
dc.contributor.authorMarchenko, Volodymyrpl
dc.contributor.authorKuźmicz, Agnieszka - 138530 pl
dc.contributor.authorOstrowski, Michał - 100042 pl
dc.contributor.authorCheung, C. C.pl
dc.contributor.authorSikora, Marekpl
dc.date.accessioned2015-03-02T11:43:25Z
dc.date.available2015-03-02T11:43:25Z
dc.date.issued2014pl
dc.date.openaccess36
dc.description.accesstimepo opublikowaniu
dc.description.admin[AB] Marchenko, Volodymyr 50000139
dc.description.number2pl
dc.description.physical1260-1269pl
dc.description.versionostateczna wersja wydawcy
dc.description.volume441pl
dc.identifier.doi10.1093/mnras/stu648pl
dc.identifier.eissn1365-2966pl
dc.identifier.issn0035-8711pl
dc.identifier.urihttp://ruj.uj.edu.pl/xmlui/handle/item/3430
dc.languageengpl
dc.language.containerengpl
dc.rights.licenceOTHER
dc.share.typeinne
dc.subject.enradiation mechanisms: non-thermalpl
dc.subject.engalaxies: activepl
dc.subject.engalaxies: clusters: individual: Abell 585pl
dc.subject.engalaxies: jetspl
dc.subject.enquasars: individual: B3 0727+409pl
dc.subject.enradio continuum: galaxiespl
dc.subtypeArticlepl
dc.titlePeculiar radio structures in the central regions of galaxy cluster Abell 585pl
dc.title.journalMonthly Notices of the Royal Astronomical Societypl
dc.typeJournalArticlepl
dspace.entity.typePublication

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