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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/27237
Title: Quasar massive ionized outflows traced by CIV λ1549 and [OIII]λλ4959,5007
Authors: MARZIANI, Paola 
Negrete, C. Alenka
Dultzin, Deborah
Martínez-Aldama, Mary L.
Del Olmo, Ascensión
D'ONOFRIO, MAURO
STIRPE, Giovanna Maria 
Issue Date: 2017
Journal: FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 
Number: 4
First Page: 16
Abstract: The most luminous quasars (with bolometric luminosities are 1047 erg/s) show a high prevalence of CIV λ1549 and [OIII]λλ4959,5007 emission line profiles with strong blueshifts. Blueshifts are interpreted as due to Doppler effect and selective obscuration, and indicate outflows occurring over a wide range of spatial scales. We found evidence in favor of the nuclear origin of the outflows diagnosed by [OIII]λλ 4959,5007. The ionized gas mass, kinetic power, and mechanical thrust are extremely high, and suggest widespread feedback effects on the host galaxies of very luminous quasars, at cosmic epochs between 2 and 6 Gyr from the Big Bang. In this mini-review we summarize results obtained by our group and reported in several major papers in the last few years with an eye on challenging aspects of quantifying feedback effects in large samples of quasars.
URI: http://hdl.handle.net/20.500.12386/27237
URL: https://www.frontiersin.org/articles/10.3389/fspas.2017.00016/full
ISSN: 2296-987X
DOI: 10.3389/fspas.2017.00016
Bibcode ADS: 2017FrASS...4...16M
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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