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  Feedback from quasars: The prevalence and impact of radio jets

Jarvis, M. (2021). Feedback from quasars: The prevalence and impact of radio jets. Cambridge, UK: Cambridge University Press.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-2B6E-E Version Permalink: https://hdl.handle.net/21.11116/0000-0008-2B6F-D
Genre: Proceedings

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Feedback from quasars The prevalence and impact of radio jets.pdf (Any fulltext), 90KB
 
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 Creators:
Jarvis, Miranda1, Author           
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1Galaxy Formation, MPI for Astrophysics, Max Planck Society, ou_2205643              

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 Abstract: I will present our ongoing multi-wavelength study on the prevalence and impact of radio jets in a sample of z < 0.2 type 2 ‘obscured’ quasars who’s high bolometric luminosities make them ideal local analogues of distant, more common, quasars. Despite being classified as ‘radio quiet’ (log L[1.4GHz] = 23.3 - 24.4 W/Hz), our high spatial resolution (∼0.25”) radio observations (VLA and eMERLIN) reveal jet like structures on 1–25kpc scales in ∼80% of the sample. Our integral field spectroscopy reveals jet-ISM interaction and outflows in all cases. Our work suggests that radio jets are an important feedback mechanism even during a typical ‘quasar’ phase. Using ALMA and APEX we are now investigating the impact of these jets and outflows on the molecular, star forming, gas; looking for signs of depletion and excitation. Preliminary results suggest a depleted molecular gas supply in these sources. I will present all of these results, focused on our pilot study of 10 targets and then introduce our on-going work on an expanded sample of 42 low-redshift quasars. Our latest results come from MUSE/AO and ALMA from which we are carefully characterising the properties of the ionised and molecular outflows at sub-kpc resolution.

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Language(s): eng - English
 Dates: 2021-01-29
 Publication Status: Published online
 Pages: -
 Publishing info: Cambridge, UK : Cambridge University Press
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: Other: LOCALID: Reihe: IAU...356
 Degree: -

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Title: 356nd Symposium of the International Astronomical Union: Nuclear Activity in Galaxies Across Cosmic Time
Place of Event: Addis Ababa, Ethiopia
Start-/End Date: 2019-10-07 - 2019-10-11

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Title: Proceedings of the International Astronomical Union
Source Genre: Series
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Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: 15/s356 Sequence Number: - Start / End Page: 253 - 253 Identifier: ISSN: 1743-9213