Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/32399
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Lobban, A. P. | en_US |
dc.contributor.author | Turner, T. J. | en_US |
dc.contributor.author | Reeves, J. N. | en_US |
dc.contributor.author | BRAITO, Valentina | en_US |
dc.contributor.author | Miller, L. | en_US |
dc.date.accessioned | 2022-06-17T13:48:26Z | - |
dc.date.available | 2022-06-17T13:48:26Z | - |
dc.date.issued | 2020 | en_US |
dc.identifier.issn | 0035-8711 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/32399 | - |
dc.description.abstract | We present a series of X-ray variability results from a long XMM-Newton + NuSTAR campaign on the bright, variable AGN NGC 3227. We present an analysis of the light curves, showing that the source displays typically softer-when-brighter behaviour, although also undergoes significant spectral hardening during one observation which we interpret as due to an occultation event by a cloud of absorbing gas. We spectrally decompose the data and show that the bulk of the variability is continuum-driven and, through rms variability analysis, strongly enhanced in the soft band. We show that the source largely conforms to linear rms-flux behaviour and we compute X-ray power spectra, detecting moderate evidence for a bend in the power spectrum, consistent with existing scaling relations. Additionally, we compute X-ray Fourier time lags using both the XMM-Newton and - through maximum-likelihood methods - NuSTAR data, revealing a strong low-frequency hard lag and evidence for a soft lag at higher frequencies, which we discuss in terms of reverberation models. | en_US |
dc.language.iso | eng | en_US |
dc.title | X-ray variability analysis of a large series of XMM-Newton +NuSTAR observations of NGC 3227 | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1093/mnras/staa1008 | en_US |
dc.identifier.scopus | 2-s2.0-85096965325 | en_US |
dc.identifier.url | https://academic.oup.com/mnras/article/494/4/5056/5820815 | en_US |
dc.identifier.url | http://arxiv.org/abs/2004.03824v2 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 494 | en_US |
dc.relation.issue | 4 | en_US |
dc.relation.firstpage | 5056 | en_US |
dc.relation.lastpage | 5074 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2020MNRAS.494.5056L | 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.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.openairetype | Article | - |
crisitem.journal.journalissn | 0035-8711 | - |
crisitem.journal.ance | E112946 | - |
crisitem.author.dept | O.A. Brera | - |
crisitem.author.orcid | 0000-0002-2629-4989 | - |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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