Kiloparsec-scale Jets: Physics, Emission Mechanisms, and Challenges
Links to Fileshttps://arxiv.org/ftp/arxiv/papers/1903/1903.03657.pdf
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Type of Work9 pages
journal articles preprints
Citation of Original PublicationEric S. Perlman, et.al, Kiloparsec-scale Jets: Physics, Emission Mechanisms, and Challenges, Astrophysics, Astrophysics of Galaxies, https://arxiv.org/ftp/arxiv/papers/1903/1903.03657.pdf
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Jets are a ubiquitous part of the accretion process, created in AGN, by a coupling between the magnetic field near the central black hole and inflowing material. We point out what advances can be achieved by new technologies, concentrating on kiloparsec scales, beyond the Bondi radius, where accretion stops. Here, jets profoundly influence their host galaxy and the surrounding clusters and groups, transporting prodigious amounts of matter and energies to scales of hundreds of kpc. Basic questions still remain regarding jet physics, which new instruments can advance greatly. The ngVLA, LOFAR, JWST and LUVOIR, as well as a Chandra successor, will give higher angular resolution and sensitivity. This will allow us to probe the emission mechanisms and dynamics of jets, and search for links between these areas, magnetic fields, particle acceleration and high-energy emission mechanisms. We stress the need for polarimetry in the X-ray and optical, critical to many of the most important questions in jet physics. We hope to directly probe resolved, flaring components, which for the first time will allow us to reveal how jets respond to stimuli and link statics and dynamics.