The geometry of the hot corona in MCG-05-23-16 constrained by X-ray polarimetry

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dc.contributor.authorTagliacozzo D.
dc.contributor.authorMarinucci A.
dc.contributor.authorUrsini F.
dc.contributor.authorMatt G.
dc.contributor.authorBianchi S.
dc.contributor.authorBaldini L.
dc.contributor.authorBarnouin T.
dc.contributor.authorCavero Rodriguez N.
dc.contributor.authorDe Rosa A.
dc.contributor.authorDi Gesu L.
dc.contributor.authorDovčiak M.
dc.contributor.authorHarper D.
dc.contributor.authorIngram A.
dc.contributor.authorKaras V.
dc.contributor.authorKim D.E.
dc.contributor.authorKrawczynski H.
dc.contributor.authorMadejski G.
dc.contributor.authorMarin F.
dc.contributor.authorMiddei R.
dc.contributor.authorMarshall H.L.
dc.contributor.authorMuleri F.
dc.contributor.authorPanagiotou C.
dc.contributor.authorPetrucci P.O.
dc.contributor.authorPodgorny J.
dc.contributor.authorPoutanen J.
dc.contributor.authorPuccetti S.
dc.contributor.authorSoffitta P.
dc.contributor.authorTombesi F.
dc.contributor.authorVeledina A.
dc.contributor.authorZhang W.
dc.contributor.authorAgudo I.
dc.contributor.authorAntonelli L.A.
dc.contributor.authorBachetti M.
dc.contributor.authorBaumgartner W.H.
dc.contributor.authorBellazzini R.
dc.contributor.authorBongiorno S.D.
dc.contributor.authorBonino R.
dc.contributor.authorBrez A.
dc.contributor.authorBucciantini N.
dc.contributor.authorCapitanio F.
dc.contributor.authorCastellano S.
dc.contributor.authorCavazzuti E.
dc.contributor.authorChen C.T.
dc.contributor.authorCiprini S.
dc.contributor.authorCosta E.
dc.contributor.authorDel Monte E.
dc.contributor.authorDi Lalla N.
dc.contributor.authorDi Marco A.
dc.contributor.authorDonnarumma I.
dc.contributor.authorDoroshenko V.
dc.contributor.authorEhlert S.R.
dc.contributor.authorEnoto T.
dc.contributor.authorEvangelista Y.
dc.contributor.authorFabiani S.
dc.contributor.authorFerrazzoli R.
dc.contributor.authorGarcia J.A.
dc.contributor.authorGunji S.
dc.contributor.authorHeyl J.
dc.contributor.authorIwakiri W.
dc.contributor.authorJorstad S.G.
dc.contributor.authorKaaret P.
dc.contributor.authorKislat F.
dc.contributor.authorKitaguchi T.
dc.contributor.authorKolodziejczak J.J.
dc.contributor.authorLa Monaca F.
dc.contributor.authorLatronico L.
dc.contributor.authorLiodakis I.
dc.contributor.authorMaldera S.
dc.contributor.authorManfreda A.
dc.contributor.authorMarscher A.P.
dc.contributor.authorMassaro F.
dc.contributor.authorMitsuishi I.
dc.contributor.authorMizuno T.
dc.contributor.authorNegro M.
dc.contributor.authorNg C.Y.
dc.contributor.authorO'Dell S.L.
dc.contributor.authorOmodei N.
dc.contributor.authorOppedisano C.
dc.contributor.authorPapitto A.
dc.contributor.authorPavlov G.G.
dc.contributor.authorPeirson A.L.
dc.contributor.authorPerri M.
dc.contributor.authorPesce-Rollins M.
dc.contributor.authorPilia M.
dc.contributor.authorPossenti A.
dc.contributor.authorRamsey B.D.
dc.contributor.authorRankin J.
dc.contributor.authorRatheesh A.
dc.contributor.authorRoberts O.J.
dc.contributor.authorRomani R.W.
dc.contributor.authorSgrò C.
dc.contributor.authorSlane P.
dc.contributor.authorSpandre G.
dc.contributor.authorSwartz D.A.
dc.contributor.authorTamagawa T.
dc.contributor.authorTavecchio F.
dc.contributor.authorTaverna R.
dc.contributor.authorTawara Y.
dc.contributor.authorTennant A.F.
dc.contributor.authorThomas N.E.
dc.contributor.authorTrois A.
dc.contributor.authorTsygankov S.S.
dc.contributor.authorTurolla R.
dc.contributor.authorVink J.
dc.contributor.authorWeisskopf M.C.
dc.contributor.authorWu K.
dc.contributor.authorXie F.
dc.contributor.authorZane S.
dc.contributor.organizationfi=Suomen ESO-keskus|en=Finnish Centre for Astronomy with ESO|
dc.contributor.organizationfi=Tuorlan observatorio|en=Tuorla Observatory|
dc.contributor.organization-code1.2.246.10.2458963.20.54954054844
dc.contributor.organization-code1.2.246.10.2458963.20.90670098848
dc.converis.publication-id181482679
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/181482679
dc.date.accessioned2025-08-27T22:26:13Z
dc.date.available2025-08-27T22:26:13Z
dc.description.abstract<p>We report on the second observation of the radio-quiet active galactic nucleus MCG-05-23-16 performed with the <em>Imaging X-ray Polarimetry Explorer (IXPE)</em>. The observation started on 2022 November 6 for a net observing time of 640 ks, and was partly simultaneous with <em>NuSTAR</em> (86 ks). After combining these data with those obtained in the first <em>IXPE</em> pointing on 2022 May (simultaneous with <em>XMM–Newton</em> and <em>NuSTAR</em> ) we find a 2–8 keV polarization degree Π = 1.6 ± 0.7 (at 68 per cent confidence level), which corresponds to an upper limit Π = 3.2 per cent (at 99 per cent confidence level). We then compare the polarization results with Monte Carlo simulations obtained with the MONK code, with which different coronal geometries have been explored (spherical lamppost, conical, slab, and wedge). Furthermore, the allowed range of inclination angles is found for each geometry. If the best-fitting inclination value from a spectroscopic analysis is considered, a cone-shaped corona along the disc axis is disfavoured.<br></p>
dc.format.pagerange4735
dc.format.pagerange4743
dc.identifier.eissn1365-2966
dc.identifier.jour-issn0035-8711
dc.identifier.olddbid202164
dc.identifier.oldhandle10024/185191
dc.identifier.urihttps://www.utupub.fi/handle/11111/46187
dc.identifier.urlhttps://academic.oup.com/mnras/article/525/3/4735/7258658
dc.identifier.urnURN:NBN:fi-fe2025082789698
dc.language.isoen
dc.okm.affiliatedauthorPoutanen, Juri
dc.okm.affiliatedauthorVeledina, Alexandra
dc.okm.affiliatedauthorLiodakis, Yannis
dc.okm.affiliatedauthorTsygankov, Sergey
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.discipline115 Avaruustieteet ja tähtitiedefi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherOxford University Press
dc.publisher.countryUnited Kingdomen_GB
dc.publisher.countryBritanniafi_FI
dc.publisher.country-codeGB
dc.relation.doi10.1093/mnras/stad2627
dc.relation.ispartofjournalMonthly Notices of the Royal Astronomical Society
dc.relation.issue3
dc.relation.volume525
dc.source.identifierhttps://www.utupub.fi/handle/10024/185191
dc.titleThe geometry of the hot corona in MCG-05-23-16 constrained by X-ray polarimetry
dc.year.issued2023

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