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Interaction between galaxies move gas to the central kiloparsec via bars or spiral arms; from there, inflows along nuclear spirals and compact disks transfer gas to the dusty torus, that feeds the accretion disk, that feeds de Supermassive Black Hole (Source: Storchi-Bergmann & Schnorr-Müller 2019, Nature Astronomy).
I have been invited to give a virtual colloquium to the Astronomy Department of the University of Texas at Austin, which will take place the coming Tuesday, September 29, 2020, about “Observational Signatures of Feeding and Feedback of Supermassive Black Holes”. #astronomy #science #blackholes
Mass density distribution (comoving 15 Mpc side, dominated by dark matter) when the Universe had 5% of its present age and the first galaxies, black holes and stars were forming. Credit: Rainer Weinberger (IllustrisTNG Collaboration) for his contribution to the IAU Symposium 359, that we are editing (Thaisa Storchi-Bergmann, William Forman, Roderik Overzier and Rogério Riffel).
In a paper recently accepted for publication (Hekatelyne Carpes et al.), we have shown that one more OH Megamaser galaxy shows a recently triggered active nucleus:
#science #astronomy #blackholes #megamaser