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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28714
Title: GASP - XIX. AGN and their outflows at the centre of jellyfish galaxies
Authors: RADOVICH, MARIO 
POGGIANTI, Bianca Maria 
Jaffé, Yara L.
MORETTI, ALESSIA 
BETTONI, Daniela 
GULLIEUSZIK, MARCO 
Vulcani, Benedetta 
Fritz, Jacopo
Issue Date: 2019
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 486
Issue: 1
First Page: 486
Abstract: The GASP survey, based on MUSE data, is unveiling the properties of the gas in the so-called `jellyfish' galaxies: these are cluster galaxies with spectacular evidence of gas stripping by ram pressure. In a previous paper (Poggianti et al.), we selected the seven GASP galaxies with the most extended tentacles of ionized gas, and based on individual diagnostic diagrams concluded that at least five of them present clear evidence for an active galactic nucleus. Here we present a more detailed analysis of the emission lines properties in these galaxies. Our comparison of several emission line ratios with both AGN and shock models show that photoionization by the AGN is the dominant ionization mechanism. This conclusion is strengthened by the analysis of H β luminosities, the presence of nuclear iron coronal lines, and extended (>10 kpc) emission line regions ionized by the AGN in some of these galaxies. From emission line profiles, we find the presence of outflows in four galaxies, and derive mass outflow rates, time-scales, and kinetic energy of the outflows.
URI: http://hdl.handle.net/20.500.12386/28714
URL: https://academic.oup.com/mnras/article/486/1/486/5398536
ISSN: 0035-8711
DOI: 10.1093/mnras/stz809
Bibcode ADS: 2019MNRAS.486..486R
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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