Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/23747
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | SGUERA, VITO | en_US |
dc.contributor.author | SIDOLI, Lara | en_US |
dc.contributor.author | Bird, A. J. | en_US |
dc.contributor.author | BAZZANO, ANGELA | en_US |
dc.date.accessioned | 2020-03-31T10:02:45Z | - |
dc.date.available | 2020-03-31T10:02:45Z | - |
dc.date.issued | 2015 | en_US |
dc.identifier.issn | 0035-8711 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/23747 | - |
dc.description | We thank an anonymous referee for useful comments which improved the quality of the paper. | - |
dc.description.abstract | We report on a broad-band X-ray study (0.5-250 keV) of the Supergiant Fast X-ray Transient IGR J18483-0311 using archival INTEGRAL data and a new targeted XMM-Newton observation. Our INTEGRAL investigation discovered for the first time an unusually long X-ray activity (3-60 keV) which continuously lasted for at least ̃11 d, i.e. a significant fraction (̃60 per cent) of the entire orbital period, and spanned orbital phases corresponding to both periastron and apastron passages. This prolongated X-ray activity is at odds with the much shorter durations marking outbursts from classical SFXTs especially above 20 keV, as such it represents a departure from their nominal behaviour and it adds a further extreme characteristic to the already extreme SFXT IGR J18483-0311. Our IBIS/ISGRI high energy investigation (100-250 keV) of archival outbursts activity from the source showed that the recently reported hint of a possible hard X-ray tail is not real and it is likely due to noisy background. The new XMM-Newton targeted observation did not detect any sign of strong X-ray outburst activity from the source despite being performed close to its periastron passage, on the contrary IGR J18483-0311 was caught during the common intermediate X-ray state with a low-luminosity value of ̃3 × 10<SUP>33</SUP> erg s<SUP>-1</SUP> (0.5-10 keV). We discuss all the reported results in the framework of both spherically symmetric clumpy wind scenario and quasi-spherical settling accretion model. | en_US |
dc.language.iso | eng | en_US |
dc.title | INTEGRAL discovery of unusually long broad-band X-ray activity from the Supergiant Fast X-ray Transient IGR J18483-0311 | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1093/mnras/stv341 | en_US |
dc.identifier.scopus | 2-s2.0-85015525287 | en_US |
dc.identifier.isi | 000355337500004 | en_US |
dc.identifier.url | https://academic.oup.com/mnras/article/449/2/1228/1071167 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 449 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | 1228 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.numberofauthors | 4 | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | ITA | en_US |
dc.contributor.country | GBR | 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 | 2015MNRAS.449.1228S | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegherò 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.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.journal.journalissn | 0035-8711 | - |
crisitem.journal.ance | E112946 | - |
crisitem.author.dept | OAS Bologna | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.orcid | 0000-0001-8202-9381 | - |
crisitem.author.orcid | 0000-0001-9705-2883 | - |
crisitem.author.orcid | 0000-0002-2017-4396 | - |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
File in questo documento:
File | Descrizione | Dimensioni | Formato | |
---|---|---|---|---|
stv341.pdf | PDF editoriale | 1.96 MB | Adobe PDF | Visualizza/apri |
Page view(s)
67
controllato il 5-ago-2024
Download(s)
16
controllato il 5-ago-2024
Google ScholarTM
Check
Altmetric
Altmetric
Tutti i documenti in DSpace sono pubblicati ad Accesso Aperto, salvo diversa indicazione per alcuni documenti specifici.