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How frequent are close supermassive binary black holes in powerful jet sources?

Krause, Martin G. H.; Shabala, Stanislav S; Hardcastle, M; Bicknell, Geoffrey; Bohringer, Hans; Chon, Gayoung; Nawaz, Mohammad A.; Sarzi, Marc; Wagner, Alexander


Supermassive black hole binaries may be detectable by an upcoming suite of gravitational wave experiments. Their binary nature can also be revealed by radio jets via a short-period precession driven by the orbital motion as well as the geodetic precession at typically longer periods. We have investigated Karl G. Jansky Very Large Array and Multi-Element Radio Linked Interferometer Network (MERLIN) radio maps of powerful jet sources for morphological evidence of geodetic precession. For perhaps...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty2558
Access Rights: Open Access


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