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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 3 CONTRIBUTI IN ATTI DI CONVEGNO (Proceedings)
  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/26223
Title: Twin SMBH candidates in the BCG of RBS 797
Authors: GITTI, MYRIAM 
GIROLETTI, MARCELLO 
Giovannini, Gabriele 
FERETTI, LUIGINA
LIUZZO, Elisabetta Teodorina 
Issue Date: 2015
Journal: POS PROCEEDINGS OF SCIENCE 
Volume: 12th European VLBI Network Symposium and Users Meeting - EVN 2014
Number: 230
Abstract: The radio-loud BCG at the center of the cool core cluster RBS 797 is known to exhibit a misalignment of its 5 GHz radio emission observed at different VLA resolutions, with the innermost kpc-scale jets being almost orthogonal to the radio lobes which extends for tens of kpc filling the X-ray cavities seen by Chandra. The different radio directions may be caused by rapid jet reorientation due to interaction with a secondary supermassive black hole (SMBH), or to the presence of two AGN, probably in a merging phase, which are emitting radio jets in different directions. We present the results of new 5 GHz observations performed with the EVN in May 2013. In particular, we detected two compact radio components, with a projected separation of 77 pc. We discuss two possible scenarios for the origin and nature of the EVN double source, showing that both interpretations are consistent with the presence of a SMBH binary system in the BCG of RBS 797....
Conference Name: 12th European VLBI Network Symposium and Users Meeting - EVN 2014
Conference Place: Cagliari, Italy
Conference Date: 7-10 October, 2014
URI: http://hdl.handle.net/20.500.12386/26223
URL: https://pos.sissa.it/230/082/
ISSN: 1824-8039
DOI: 10.22323/1.230.0082
Bibcode ADS: 2015arXiv150402681G
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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