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http://hdl.handle.net/20.500.12386/35143
Titolo: | Radio multifrequency observations of Abell 781 with the WSRT | Autori: | Hugo, B. BERNARDI, Gianni Smirnov, O. M. DALLACASA, Daniele VENTURI, Tiziana MURGIA, MATTEO Pizzo, R. F. |
Data pubblicazione: | 2023 | Rivista: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Numero: | 526 | Fascicolo: | 4 | Da pagina:: | 5278 | Abstract: | The Main galaxy cluster in the Abell 781 system is undergoing a significant merger and accretion process with peripheral emission to the north and south-eastern flanks of the merging structure. Here we present a full polarimetric study of this field, using radio interferometric data taken at 21 and 92 cm with the Westerbork Synthesis Radio Telescope (WSRT), to a sensitivity better than any 21 cm (L band) observation to date. We detect evidence of extended low-level emission of 1.9 mJy associated with the Main cluster at 21 cm, although this detection necessitates further follow-up by modern instruments due to the limited resolution of the WSRT. Our polarimetric study indicates that, most likely, the peripheral emission associated with this cluster is not a radio relic. | URI: | http://hdl.handle.net/20.500.12386/35143 | URL: | https://academic.oup.com/mnras/article/526/4/5278/7281013 https://api.elsevier.com/content/abstract/scopus_id/85176954535 |
ISSN: | 0035-8711 | DOI: | 10.1093/mnras/stad2873 | Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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