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Showing 1 to 4 of 4 for “"Astrophysical black holes"”.
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Black holes and how to find them : on the detection of compact objects at several scales
… is introduced to current detection methods for astrophysical black holes at different scales. The following three chapters correspond to different research projects regarding black hole detection. The second chapter presents the kinematic detection of a supermassive black hole at the center of …
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Aspects of Screened Modified Gravity
… several aspects of these models. We study astrophysical black holes in Galileon and K-mouflage theories. The no-hair theorem of General Relativity states that, under certain specific assumptions, the scalar field is trivial around a black hole. The assumptions going into the no-hair theorem …
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Understanding X-ray reflection as a probe of accreting black holes
… of energetic particles surrounding an accreting black hole from the accretion disc is investigated in the context of probing the structure of the central regions as well as the physical processes that power some of the brightest objects seen in the Universe. A method is devised to measure the …
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Black Hole Feedback in New Regimes: Modelling Dwarf Galaxies with Active Galactic Nuclei
… their hosts. These high-redshift overmassive black holes contribute to the quenching of dwarfs, whereas at late cosmic times supernova (SN) feedback is more efficient. However, the lack of high-luminosity X-ray AGN in FABLE at low redshifts highlights an interesting possibility that SN …