Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/26638
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Xu, Yanjun | en_US |
dc.contributor.author | García, Javier A. | en_US |
dc.contributor.author | Fürst, Felix | en_US |
dc.contributor.author | Harrison, Fiona A. | en_US |
dc.contributor.author | Walton, Dominic J. | en_US |
dc.contributor.author | Tomsick, John A. | en_US |
dc.contributor.author | BACHETTI, Matteo | en_US |
dc.contributor.author | King, Ashley L. | en_US |
dc.contributor.author | Madsen, Kristin K. | en_US |
dc.contributor.author | Miller, Jon M. | en_US |
dc.contributor.author | Grinberg, Victoria | en_US |
dc.date.accessioned | 2020-07-27T09:10:19Z | - |
dc.date.available | 2020-07-27T09:10:19Z | - |
dc.date.issued | 2017 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/26638 | - |
dc.description.abstract | We present a spectral and timing study of the NuSTAR and Swift observations of the black hole candidate IGR J17091-3624 in the hard state during its outburst in 2016. Disk reflection is detected in each of the NuSTAR spectra taken in three epochs. Fitting with relativistic reflection models reveals that the accretion disk is truncated during all epochs with {R}<SUB>{in</SUB>}> 10 {r}<SUB>{{g</SUB>}}, with the data favoring a low disk inclination of ∼30°-40°. The steepening of the continuum spectra between epochs is accompanied by a decrease in the high energy cutoff: the electron temperature {{kT}}<SUB>{{e</SUB>}} drops from ∼64 to ∼26 keV, changing systematically with the source flux. We detect type-C QPOs in the power spectra with frequency varying between 0.131 and 0.327 Hz. In addition, a secondary peak is found in the power spectra centered at about 2.3 times the QPO frequency during all three epochs. The nature of this secondary frequency is uncertain; however, a non-harmonic origin is favored. We investigate the evolution of the timing and spectral properties during the rising phase of the outburst and discuss their physical implications. | en_US |
dc.language.iso | eng | en_US |
dc.title | Spectral and Timing Properties of IGR J17091-3624 in the Rising Hard State During Its 2016 Outburst | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/aa9ab4 | en_US |
dc.identifier.scopus | 2-s2.0-85039716103 | en_US |
dc.identifier.isi | 000418350300006 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/aa9ab4 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 851 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | 103 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.international | sì | 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 | 2017ApJ...851..103X | en_US |
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::PE9_10 High energy and particle astronomy – X-rays, cosmic rays, gamma rays, neutrinos | 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 | O.A. Cagliari | - |
crisitem.author.orcid | 0000-0002-4576-9337 | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Xu_2017_ApJ_851_103.pdf | Pdf editoriale | 1.1 MB | Adobe PDF | View/Open |
Page view(s)
58
checked on Apr 20, 2024
Download(s)
9
checked on Apr 20, 2024
Google ScholarTM
Check
Altmetric
Altmetric
Items in DSpace are published in Open Access, unless otherwise indicated.