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On the path toward a universal outflow mechanism in light of NGC 4151 and NGC 1068

Published online by Cambridge University Press:  29 March 2021

D. May Open the ORCID record for D. May [Opens in a new window] ,
J. E. Steiner  and
R. B. Menezes
D. May
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil email: dmay.astro@gmail.com
J. E. Steiner
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, 05508-090, São Paulo, SP, Brazil email: dmay.astro@gmail.com
R. B. Menezes
Affiliation:
Centro de Ciências Naturais e humanas, Universidade Federal do ABC, Santo André, 09210-580 SP, Brazil
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Abstract

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We use near-infrared Integral Field Unit (IFU) data to analyze the galaxies NGC 4151 and NGC 1068, which have very different Eddington ratios - ˜50 times lower for NGC 4151. Together with a detailed data cube treatment methodology, we reveal remarkable similarities between both AGN, such as the detection of the walls of an “hourglass” structure for the low-velocity [Fe ii] emission with the high-velocity emission within this hourglass; a molecular outflow - detected for the first time in NGC 4151; and the fragmentation of an expanding molecular bubble into bullets of ionized gas. Such observations suggest that NGC 4151 could represent a less powerful and more compact version of the outflow seen in NGC 1068, suggesting a universal feedback mechanism acting in quite different AGN.

Keywords

galaxies: activegalaxies: individual (NGC 1068, NGC 4151)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S359: Galaxy Evolution and Feedback across Different Environments , March 2019 , pp. 283 - 284
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union

References

May, D. & Steiner, J. E. 2017, MNRAS, 469, 994 10.1093/mnras/stx886CrossRefGoogle Scholar
May, D., Steiner, J. E., Menezes, R. B., et al. 2020, MNRAS, 496, 1488 10.1093/mnras/staa1545CrossRefGoogle Scholar