Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/24487
Campo DC | Valore | Lingua |
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dc.contributor.author | BONGIORNO, ANGELA | - |
dc.contributor.author | Schulze, A. | - |
dc.contributor.author | Merloni, A. | - |
dc.contributor.author | Zamorani, G. | - |
dc.contributor.author | Ilbert, O. | - |
dc.contributor.author | La Franca, F. | - |
dc.contributor.author | Peng, Y. | - |
dc.contributor.author | Piconcelli, E. | - |
dc.contributor.author | Mainieri, V. | - |
dc.contributor.author | Silverman, J. D. | - |
dc.contributor.author | Brusa, M. | - |
dc.contributor.author | FIORE, Fabrizio | - |
dc.contributor.author | Salvato, M. | - |
dc.contributor.author | Scoville, N. | - |
dc.date.accessioned | 2020-05-05T09:55:00Z | - |
dc.date.available | 2020-05-05T09:55:00Z | - |
dc.date.issued | 2016 | - |
dc.identifier.issn | 0004-6361 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/24487 | - |
dc.description.abstract | We investigate the role of supermassive black holes in the global context of galaxy evolution by measuring the host galaxy stellar mass function (HGMF) and the specific accretion rate, that is, λ<SUB>SAR</SUB>, the distribution function (SARDF), up to z ~ 2.5 with ~1000 X-ray selected AGN from XMM-COSMOS. Using a maximum likelihood approach, we jointly fit the stellar mass function and specific accretion rate distribution function, with the X-ray luminosity function as an additional constraint. Our best-fit model characterizes the SARDF as a double power-law with mass-dependent but redshift-independent break, whose low λ<SUB>SAR</SUB> slope flattens with increasing redshift while the normalization increases. This implies that for a given stellar mass, higher λ<SUB>SAR</SUB> objects have a peak in their space density at earlier epoch than the lower λ<SUB>SAR</SUB> objects, following and mimicking the well-known AGN cosmic downsizing as observed in the AGN luminosity function. The mass function of active galaxies is described by a Schechter function with an almost constant M<SUP>∗</SUP><SUB>⋆</SUB> and a low-mass slope α that flattens with redshift. Compared to the stellar mass function, we find that the HGMF has a similar shape and that up to log (M<SUB>⋆</SUB>/M<SUB>☉</SUB>) ~ 11.5, the ratio of AGN host galaxies to star-forming galaxies is basically constant (~10%). Finally, the comparison of the AGN HGMF for different luminosity and specific accretion rate subclasses with a previously published phenomenological model prediction for the "transient" population, which are galaxies in the process of being mass-quenched, reveals that low-luminosity AGN do not appear to be able to contribute significantly to the quenching and that at least at high masses, that is, M<SUB>⋆</SUB> > 10<SUP>10.7</SUP> M<SUB>☉</SUB>, feedback from luminous AGN (log L<SUB>bol</SUB> ≳ 46 [erg/s]) may be responsible for the quenching of star formation in the host galaxy. | - |
dc.language.iso | eng | - |
dc.title | AGN host galaxy mass function in COSMOS. Is AGN feedback responsible for the mass-quenching of galaxies? | - |
dc.type | Article | - |
dc.identifier.doi | 10.1051/0004-6361/201527436 | - |
dc.identifier.scopus | 2-s2.0-84962374055 | - |
dc.identifier.isi | 000373207800090 | - |
dc.identifier.url | https://www.aanda.org/articles/aa/abs/2016/04/aa27436-15/aa27436-15.html | - |
dc.relation.medium | ELETTRONICO | - |
dc.relation.volume | 588 | - |
dc.relation.firstpage | A78 | - |
dc.type.referee | REF_1 | - |
dc.description.international | sì | - |
dc.contributor.country | ITA | - |
dc.contributor.country | USA | - |
dc.contributor.country | FRA | - |
dc.contributor.country | DEU | - |
dc.contributor.country | JPN | - |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | - |
dc.relation.journal | ASTRONOMY & ASTROPHYSICS | - |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2016A&A...588A..78B | - |
dc.relation.ercsector | ERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation | - |
dc.description.apc | no | - |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.journal.journalissn | 0004-6361 | - |
crisitem.journal.ance | E016240 | - |
crisitem.author.dept | O.A. Roma | - |
crisitem.author.dept | O.A. Roma | - |
crisitem.author.dept | O.A. Trieste | - |
crisitem.author.orcid | 0000-0002-0101-6624 | - |
crisitem.author.orcid | 0000-0001-9095-2782 | - |
crisitem.author.orcid | 0000-0002-4031-4157 | - |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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File | Descrizione | Dimensioni | Formato | |
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1601.02091.pdf | postprint | 1.07 MB | Adobe PDF | Visualizza/apri |
aa27436-15.pdf | pdf editoriale | 1.51 MB | Adobe PDF | Visualizza/apri |
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