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Perturbing the Accretion Flow Onto a Supermassive Black Hole by a Passing Star by Suková, Petra; Zajaček, Michal; Witzany, Vojtěch; Karas, Vladimír is a scholarly article available to read on EtoBox.

What is Perturbing the Accretion Flow Onto a Supermassive Black Hole by a Passing Star about?

The close neighbourhood of a supermassive black hole contains not only accreting gas and dust, but also stellar-sized objects like stars, stellar-mass black holes, neutron stars, and dust-enshrouded objects that altogether form a dense nuclear star-cluster. These objects interact with the accreting medium and they perturb the otherwise quasi-stationary configuration of the accretion flow. We investigate how the passages of a star can influence the black hole gaseous environment with GRMHD 2D and 3D simulations. We focus on the changes in the accretion rate and the associated emergence of outflowing blobs of plasma.

Author

Suková, Petra; Zajaček, Michal; Witzany, Vojtěch; Karas, Vladimír

Published

2020

Language

EN