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Numerical studies of extragalactic objects in the local universe and at high redshifts


In this work, we will study the physical properties of two types of galaxies: the dwarf spheroidal galaxies, one of the most common galaxies in the Universe, and blazars, one of the most powerful objects known in the literature. Dwarf spheroidal galaxies present high mass-to-luminosity ratios and high depletion of gas nowadays as their main characteristics, while blazars emit radiation in the whole electromagnetic spectrum, part of this radiation emanating from relativistic parsec-scale jets driven by accreting supermassive black holes. In the case of the dwarf spheroidal galaxies, our main objective is to study gas loss induced by supernovae from three-dimensional hydrodynamical simulations, while analyses of the kinematical and physical structure of the parsec-scale jets will be sought in the case of the blazars through the usage of Cross-Entropy global optimization technique to model interferometric radio images of these objects. (AU)

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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)
SUMIDA, VIKTOR Y. D.; SCHUTZER, A. DE A.; CAPRONI, A.; ABRAHAM, Z. The relativistic parsec-scale jets of the blazars TXS 0506+056 and PKS 0502+049 and their possible association with gamma-ray flares and neutrino production. Monthly Notices of the Royal Astronomical Society, v. 509, n. 2, p. 1646-1663, JAN 2022. Web of Science Citations: 0.
LANFRANCHI, GUSTAVO A.; HAZENFRATZ, ROBERTO; CAPRONI, ANDERSON; SILK, JOSEPH. Parameterizing the Outflow from a Central Black Hole in Dwarf Spheroidal Galaxies: A 3D Hydrodynamic Simulation. ASTROPHYSICAL JOURNAL, v. 914, n. 1 JUN 2021. Web of Science Citations: 0.
NANDI, S.; CAPRONI, A.; KHARB, P.; SEBASTIAN, B.; ROY, R. Double-peaked Lines, Dual VLBI Components, and Precessing Jets in J1328+2752. ASTROPHYSICAL JOURNAL, v. 908, n. 2 FEB 2021. Web of Science Citations: 0.

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