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Weighing Supermassive Black Holes from Zero to High Redshift

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Supermassive black holes are believed to grow during bright AGN phases and are considered key players in the formation and evolution of galaxies. Black hole masses are thus fundamental physical quantities to characterise AGN activity and host galaxies. In this talk I will briefly review the accuracy and reliability of black holes mass measurements from zero to high redshift and present new results on virial estimators, currently the only way to measure black hole masses beyond the local universe. I will then discuss the redshift evolution of the scaling relations between BHs and their host galaxies, as derived from the application of these virial estimators, and the constraints we can infer for galaxy evolutionary models.

This talk is part of the Cavendish Astrophysics Seminars series.

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