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Interaction of jets with the intracluster medium: The role of jet precession

Grant number: 15/25126-2
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): September 01, 2016
Effective date (End): August 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Extragalactic Astrophysics
Principal Investigator:Diego Antonio Falceta Gonçalves
Grantee:Mohammad Ali Nawaz
Host Institution: Escola de Artes, Ciências e Humanidades (EACH). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:13/10559-5 - Investigation of high energy and plasma astrophysics phenomena: theory, numerical simulations, observations, and instrument development for the Cherenkov Telescope Array (CTA), AP.TEM


Many AGN jets exhibit complex morphologies with S-, X- or Z symmetric structures. Such radio jets may initiate complicated cavity systems in the intracluster medium with S- or X-shaped orientations. In the last few decades observational and theoretical evidences have been mounting that the jets of such systems are precessing. However, the precession mechanism of AGN jets and their dynamical interaction with the ambient medium are not well understood yet. In this project we will focus on the study ofprecessing jets and their interaction with the cluster environment with a goal to understanding: 1) the role of jet precession on the jet or jet-lobe morphologies and the X-ray morphologies, 2) the role of jet precession on the onset of turbulence and 3) the particle acceleration due to internal shocks and turbulence. We will conductour study with the help of fully three dimensional relativistic hydrodynamic (RHD) and magneto-hydrodynamic (MHD) models employing publicly available codes.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
AKHTER, SHAILA; CUNNINGHAM, MARIA R.; HARVEY-SMITH, LISA; NAWAZ, MOHAMMAD ALI; JONES, PAUL A.; WALSH, ANDREW; DE GOUVEIA DAL PINO, ELISABETE M.. Do dense molecular cores with broad emission spectra at vertical bar l vertical bar approximate to 5.4 degrees, vertical bar b vertical bar approximate to 0.4 degrees trace the Galactic bar? A multimolecular line study from HOPS. Monthly Notices of the Royal Astronomical Society, v. 502, n. 4, p. 5896-5920, . (13/10559-5, 15/25126-2)
KRAUSE, MARTIN G. H.; SHABALA, STANISLAV S.; HARDCASTLE, MARTIN J.; BICKNELL, GEOFFREY V.; BOEHRINGER, HANS; CHON, GAYOUNG; NAWAZ, MOHAMMAD A.; SARZI, MARC; WAGNER, ALEXANDER Y.. How frequent are close supermassive binary black holes in powerful jet sources?. Monthly Notices of the Royal Astronomical Society, v. 482, n. 1, p. 240-261, . (15/25126-2)

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