Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/29169
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Bianchini, Federico | en_US |
dc.contributor.author | Fabbian, Giulio | en_US |
dc.contributor.author | Lapi, Andrea | en_US |
dc.contributor.author | Gonzalez-Nuevo, Joaquin | en_US |
dc.contributor.author | GILLI, Roberto | en_US |
dc.contributor.author | Baccigalupi, Carlo | en_US |
dc.date.accessioned | 2020-12-23T16:11:22Z | - |
dc.date.available | 2020-12-23T16:11:22Z | - |
dc.date.issued | 2019 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/29169 | - |
dc.description | We acknowledge financial contribution from the agreement ASI-INAF n. 2017-14-H.O | en_US |
dc.description.abstract | We present the mean spectral energy distribution (SED) of a sample of optically selected quasars (QSOs) at redshifts of 1 ≤ z ≤ 5. To derive it, we exploit photometric information from the Sloan Digital Sky Survey, UKIRT Infrared Deep Sky Survey, and Wide-field Infrared Survey Explorer surveys in combination with a stacking analysis of Herschel, AKARI, and Planck maps at the location of the QSOs. The near-UV and optical parts of the reconstructed mean rest-frame SED are similar to those found in other studies. However, the SED shows an excess at 1-2 μm (when compared to the aforementioned SEDs normalized in the near UV) and a prominent bump around 4-6 μm, followed by a decrease out to ∼20 μm and a subsequent far-IR bump. From the fitted SEDs, we estimate the average active galactic nucleus (AGN) luminosity L <SUB>AGN</SUB> and star formation rate (SFR) as a function of cosmic time, finding typical {L}<SUB>AGN</SUB>}∼ {10}<SUP>46</SUP>{--}{10}<SUP>47</SUP> erg s<SUP>-1</SUP> and SFR ∼50-1000 M <SUB>☉</SUB> yr<SUP>-1</SUP>. We develop mid-IR-based criteria to split the QSO sample, finding that these allow us to move along the average relationship in the SFR versus L <SUB>AGN</SUB> diagram toward increasing AGN luminosities. When interpreted in the context of the in situ coevolution scenario presented by Lapi et al., our results suggest that the detection in the far-IR band is an effective criterion to select objects where the star formation is on the verge of being affected by energy/momentum feedback from the central AGN. | en_US |
dc.language.iso | eng | en_US |
dc.title | Broadband Spectral Energy Distributions of SDSS-selected Quasars and of Their Host Galaxies: Intense Activity at the Onset of AGN Feedback | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/aaf86b | en_US |
dc.identifier.scopus | 2-s2.0-85062047207 | en_US |
dc.identifier.isi | 000457048700004 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/aaf86b | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 871 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | 136 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | ITA | en_US |
dc.contributor.country | FRA | en_US |
dc.contributor.country | ESP | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTROPHYSICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2019ApJ...871..136B | en_US |
dc.relation.ercsector | PE9 | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | OAS Bologna | - |
crisitem.author.orcid | 0000-0001-8121-6177 | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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Bianchini_2019_ApJ_871_136(1).pdf | pdf editoriale | 3.34 MB | Adobe PDF | Visualizza/apri |
1806.06516.pdf | preprint | 1.47 MB | Adobe PDF | Visualizza/apri |
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