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Article: Discovery of X-Ray Polarization from the Black Hole Transient Swift J1727.8-1613

TitleDiscovery of X-Ray Polarization from the Black Hole Transient Swift J1727.8-1613
Authors
Issue Date1-Nov-2023
PublisherAmerican Astronomical Society
Citation
Astrophysical Journal Letters, 2023, v. 958, n. 1 How to Cite?
AbstractWe report the first detection of the X-ray polarization of the bright transient Swift J1727.8-1613 with the Imaging X-ray Polarimetry Explorer. The observation was performed at the beginning of the 2023 discovery outburst, when the source resided in the bright hard state. We find a time- and energy-averaged polarization degree of 4.1% +/- 0.2% and a polarization angle of 2.degrees 2 +/- 1.degrees 3 (errors at 68% confidence level; this translates to similar to 20 sigma significance of the polarization detection). This finding suggests that the hot corona emitting the bulk of the detected X-rays is elongated, rather than spherical. The X-ray polarization angle is consistent with that found in submillimeter wavelengths. Since the submillimeter polarization was found to be aligned with the jet direction in other X-ray binaries, this indicates that the corona is elongated orthogonal to the jet.
Persistent Identifierhttp://hdl.handle.net/10722/339982
ISSN
2023 Impact Factor: 8.8
2023 SCImago Journal Rankings: 2.766
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorVeledina, A-
dc.contributor.authorMuleri, F-
dc.contributor.authorDovciak, M-
dc.contributor.authorPoutanen, J-
dc.contributor.authorRatheesh, A-
dc.contributor.authorCapitanio, F-
dc.contributor.authorMatt, G-
dc.contributor.authorSoffitta, P-
dc.contributor.authorTennant, AF-
dc.contributor.authorNegro, M-
dc.contributor.authorKaaret, P-
dc.contributor.authorCosta, E-
dc.contributor.authorIngram, A-
dc.contributor.authorSvoboda, J-
dc.contributor.authorKrawczynski, H-
dc.contributor.authorBianchi, S-
dc.contributor.authorSteiner, JF-
dc.contributor.authorGarcía, JA-
dc.contributor.authorKravtsov, V-
dc.contributor.authorNitindala, AP-
dc.contributor.authorEwing, M-
dc.contributor.authorMastroserio, G-
dc.contributor.authorMarinucci, A-
dc.contributor.authorUrsini, F-
dc.contributor.authorTombesi, F-
dc.contributor.authorTsygankov, SS-
dc.contributor.authorYang, YJ-
dc.contributor.authorWeisskopf, MC-
dc.contributor.authorTrushkin, SA-
dc.contributor.authorEgron, E-
dc.contributor.authorIacolina, MN-
dc.contributor.authorPilia, M-
dc.contributor.authorMarra, L-
dc.contributor.authorMikusincová, R-
dc.contributor.authorNathan, E-
dc.contributor.authorParra, M-
dc.contributor.authorPetrucci, PO-
dc.contributor.authorPodgorny, J-
dc.contributor.authorTugliani, S-
dc.contributor.authorZane, S-
dc.contributor.authorZhang, WD-
dc.contributor.authorAgudo, I-
dc.contributor.authorAntonelli, LA-
dc.contributor.authorBachetti, M-
dc.contributor.authorBaldini, L-
dc.contributor.authorBaumgartner, WH-
dc.contributor.authorBellazzini, R-
dc.contributor.authorBongiorno, SD-
dc.contributor.authorBonino, R-
dc.contributor.authorBrez, A-
dc.contributor.authorBucciantini, N-
dc.contributor.authorCastellano, S-
dc.contributor.authorCavazzuti, E-
dc.contributor.authorChen, CT-
dc.contributor.authorCiprini, S-
dc.contributor.authorDe Rosa, A-
dc.contributor.authorDel Monte, E-
dc.contributor.authorDi Gesu, L-
dc.contributor.authorDi Lalla, N-
dc.contributor.authorDi Marco, A-
dc.contributor.authorDonnarumma, I-
dc.contributor.authorDoroshenko, V-
dc.contributor.authorEhlert, SR-
dc.contributor.authorEnoto, T-
dc.contributor.authorEvangelista, Y-
dc.contributor.authorFabiani, S-
dc.contributor.authorFerrazzoli, R-
dc.contributor.authorGunji, S-
dc.contributor.authorHayashida, K-
dc.contributor.authorHeyl, J-
dc.contributor.authorIwakiri, W-
dc.contributor.authorJorstad, SG-
dc.contributor.authorKaras, V-
dc.contributor.authorKislat, F-
dc.contributor.authorKitaguchi, T-
dc.contributor.authorKolodziejczak, JJ-
dc.contributor.authorLa Monaca, F-
dc.contributor.authorLatronico, L-
dc.contributor.authorLiodakis, I-
dc.contributor.authorMaldera, S-
dc.contributor.authorManfreda, A-
dc.contributor.authorMarin, F-
dc.contributor.authorMarscher, AP-
dc.contributor.authorMarshall, HL-
dc.contributor.authorMassaro, F-
dc.contributor.authorMitsuishi, I-
dc.contributor.authorMizuno, T-
dc.contributor.authorNg, CY-
dc.contributor.authorO'Dell, SL-
dc.contributor.authorOmodei, N-
dc.contributor.authorOppedisano, C-
dc.contributor.authorPapitto, A-
dc.contributor.authorPavlov, GG-
dc.contributor.authorPeirson, AL-
dc.contributor.authorPerri, M-
dc.contributor.authorPesce-Rollins, M-
dc.contributor.authorPossenti, A-
dc.contributor.authorPuccetti, S-
dc.contributor.authorRamsey, BD-
dc.contributor.authorRankin, J-
dc.contributor.authorRoberts, OJ-
dc.contributor.authorRomani, RW-
dc.contributor.authorSgrò, C-
dc.contributor.authorSlane, P-
dc.contributor.authorSpandre, G-
dc.contributor.authorSwartz, DA-
dc.contributor.authorTamagawa, T-
dc.contributor.authorTavecchio, F-
dc.contributor.authorTaverna, R-
dc.contributor.authorTawara, Y-
dc.contributor.authorThomas, NE-
dc.contributor.authorTrois, A-
dc.contributor.authorTurolla, R-
dc.contributor.authorVink, J-
dc.contributor.authorWu, KW-
dc.contributor.authorXie, F-
dc.date.accessioned2024-03-11T10:40:47Z-
dc.date.available2024-03-11T10:40:47Z-
dc.date.issued2023-11-01-
dc.identifier.citationAstrophysical Journal Letters, 2023, v. 958, n. 1-
dc.identifier.issn2041-8205-
dc.identifier.urihttp://hdl.handle.net/10722/339982-
dc.description.abstractWe report the first detection of the X-ray polarization of the bright transient Swift J1727.8-1613 with the Imaging X-ray Polarimetry Explorer. The observation was performed at the beginning of the 2023 discovery outburst, when the source resided in the bright hard state. We find a time- and energy-averaged polarization degree of 4.1% +/- 0.2% and a polarization angle of 2.degrees 2 +/- 1.degrees 3 (errors at 68% confidence level; this translates to similar to 20 sigma significance of the polarization detection). This finding suggests that the hot corona emitting the bulk of the detected X-rays is elongated, rather than spherical. The X-ray polarization angle is consistent with that found in submillimeter wavelengths. Since the submillimeter polarization was found to be aligned with the jet direction in other X-ray binaries, this indicates that the corona is elongated orthogonal to the jet.-
dc.languageeng-
dc.publisherAmerican Astronomical Society-
dc.relation.ispartofAstrophysical Journal Letters-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleDiscovery of X-Ray Polarization from the Black Hole Transient Swift J1727.8-1613-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.3847/2041-8213/ad0781-
dc.identifier.scopuseid_2-s2.0-85179472583-
dc.identifier.volume958-
dc.identifier.issue1-
dc.identifier.eissn2041-8213-
dc.identifier.isiWOS:001109204000001-
dc.publisher.placeBRISTOL-
dc.identifier.issnl2041-8205-

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