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The largely unconstrained multiphase nature of outflows in AGN host galaxies

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Observations and simulations show that outflows in active galactic nuclei contain gas in different phases. To understand their true impact on galaxy evolution, we advocate consistent and unbiased investigation of these multiphase winds in large active galactic nuclei samples.

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Fig. 1: Artistic view and observational evidence of multiphase AGN-driven outflows.

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Acknowledgements

We thank all of the participants of the Lorentz Center workshop ‘The reality and myths of AGN feedback’ held in Leiden, 16–20 October 2017, for stimulating discussions that contributed to develop the ideas presented in this Comment. C.C. acknowledges funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 664931. M.B. acknowledges support from the FP7 Career Integration Grant ‘eEASy’ (CIG 321913). C.R.A. acknowledges the Ramón y Cajal Program of the Spanish Ministry of Economy and Competitiveness through project RYC-2014-15779 and the Spanish Plan Nacional de Astronomía y Astrofísica under grant AYA2016-76682-C3-2-P. We thank R. Morganti and E. Nardini for providing the data used in Fig. 1.

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Authors and Affiliations

  1. INAF — Osservatorio Astronomico di Brera, Milan, Italy

    Claudia Cicone

  2. Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna, Italy

    Marcella Brusa

  3. Instituto de Astrofísica de Canarias, La Laguna, Tenerife, Spain

    Cristina Ramos Almeida

  4. INAF — Osservatorio Astrofisico di Arcetri, Firenze, Italy

    Giovanni Cresci

  5. Max-Planck-Institute for Astronomy, Heidelberg, Germany

    Bernd Husemann

  6. European Southern Observatory, Garching, Germany

    Vincenzo Mainieri

Authors
  1. Claudia Cicone
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  2. Marcella Brusa
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  3. Cristina Ramos Almeida
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  4. Giovanni Cresci
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  5. Bernd Husemann
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  6. Vincenzo Mainieri
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Correspondence to Claudia Cicone.

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Cicone, C., Brusa, M., Ramos Almeida, C. et al. The largely unconstrained multiphase nature of outflows in AGN host galaxies. Nat Astron 2, 176–178 (2018). https://doi.org/10.1038/s41550-018-0406-3

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