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Redshifted Fe K
galaxies: active
galaxies: jets
galaxies: individual: PMN J1603–4904
X-rays: galaxies
gamma rays: galaxies
Context. Multiwavelength observations have revealed the highly unusual properties of the
cris.lastimport.scopus | 2024-04-07T17:37:36Z | |
dc.abstract.en | Context. Multiwavelength observations have revealed the highly unusual properties of the $\gamma$-ray source PMN J1603-4904, which are difficult to reconcile with any other well-established $\gamma$-ray source class. The object is either a very atypical blazar or a compact jet source seen at a larger angle to the line of sight. Aims: To determine the physical origin of the high-energy emission processes in PMN J1603-4904, we study the X-ray spectrum in detail. Methods: We performed quasi-simultaneous X-ray observations with XMM-Newton and Suzaku in 2013 September. This resulted in the first high signal-to-noise X-ray spectrum of this source. Results: The 2-10 keV X-ray spectrum can be well described by an absorbed power law with an emission line at 5.44 $\pm$ 0.05 keV (observed frame). We interpret this feature as a K$\alpha$ line from neutral iron and accordingly determine the redshift of PMN J1603-4904 to be z = 0.18 $\pm$ 0.01, which corresponds to a luminosity distance of 872 $\pm$ 54 Mpc. Conclusions: The detection of a redshifted X-ray emission line further challenges the original BL Lac classification of PMN J1603-4904. This result suggests that the source is observed at a larger angle to the line of sight than expected for blazars, and thus the source would add to the elusive class of $\gamma$-ray loud misaligned-jet objects, possibly a $\gamma$-ray bright young radio galaxy. | pl |
dc.affiliation | Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut – Obserwatorium Astronomiczne | pl |
dc.contributor.author | Müller, C. | pl |
dc.contributor.author | Krauß, F. | pl |
dc.contributor.author | Dauser, T. | pl |
dc.contributor.author | Kreikenbohm, A. | pl |
dc.contributor.author | Beuchert, T. | pl |
dc.contributor.author | Kadler, M. | pl |
dc.contributor.author | Ojha, R. | pl |
dc.contributor.author | Wilms, J. | pl |
dc.contributor.author | Böck, M. | pl |
dc.contributor.author | Carpenter, B. | pl |
dc.contributor.author | Dutka, M. | pl |
dc.contributor.author | Markowitz, A. | pl |
dc.contributor.author | McConville, W. | pl |
dc.contributor.author | Pottschmidt, K. | pl |
dc.contributor.author | Stawarz, Łukasz - 132081 | pl |
dc.contributor.author | Taylor, G. B. | pl |
dc.date.accessioned | 2015-07-14T11:23:00Z | |
dc.date.available | 2015-07-14T11:23:00Z | |
dc.date.issued | 2015 | pl |
dc.date.openaccess | 12 | |
dc.description.accesstime | po opublikowaniu | |
dc.description.additional | Reproduced with permission from Astronomy & Astrophysics, © ESO | pl |
dc.description.version | ostateczna wersja wydawcy | |
dc.description.volume | 574 | pl |
dc.identifier.articleid | A117 | pl |
dc.identifier.doi | 10.1051/0004-6361/201425442 | pl |
dc.identifier.eissn | 1432-0746 | pl |
dc.identifier.issn | 0004-6361 | pl |
dc.identifier.project | ROD UJ / P | pl |
dc.identifier.uri | http://ruj.uj.edu.pl/xmlui/handle/item/12803 | |
dc.language | eng | pl |
dc.language.container | eng | pl |
dc.rights | Udzielam licencji. Uznanie autorstwa - Użycie niekomercyjne - Na tych samych warunkach 4.0 Międzynarodowa | * |
dc.rights.licence | OTHER | |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.pl | * |
dc.share.type | otwarte czasopismo | |
dc.subject.en | galaxies: active | pl |
dc.subject.en | galaxies: jets | pl |
dc.subject.en | galaxies: individual: PMN J1603–4904 | pl |
dc.subject.en | X-rays: galaxies | pl |
dc.subject.en | gamma rays: galaxies | pl |
dc.subtype | Article | pl |
dc.title | Redshifted Fe K$\alpha$ line from the unusual $\gamma$-ray source PMN J1603–4904 | pl |
dc.title.journal | Astronomy & Astrophysics | pl |
dc.type | JournalArticle | pl |
dspace.entity.type | Publication |
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