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Black hole masses in active galactic nuclei

The masses of supermassive black holes, key to many cosmological studies, are highly uncertain beyond our local Universe. The main challenge is to establish the spatial and kinematic structure of the broad-line emitting gas in active galactic nuclei.

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Fig. 1: Geometries of the BLR for five objects based on direct dynamical modelling show that a thick disk at a low-to-moderate inclination is common.

adapted from ref. 9, OUP

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Acknowledgements

The author acknowledges support from the Danish Council for Independent Research via grant no. DFF 4002-00275.

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Correspondence to Marianne Vestergaard.

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Vestergaard, M. Black hole masses in active galactic nuclei. Nat Astron 3, 11–12 (2019). https://doi.org/10.1038/s41550-018-0670-2

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