The vanishing of the primary emission region in PKS 1510–089

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dc.contributor.authorAharonian, F.
dc.contributor.authorAit Benkhali, F.
dc.contributor.authorAschersleben, J.
dc.contributor.authorAshkar, H.
dc.contributor.authorBackes, M.
dc.contributor.authorBarbosa Martins, V.
dc.contributor.authorBarnard, J.
dc.contributor.authorBatzofin, R.
dc.contributor.authorBecherini, Y.
dc.contributor.authorBerge, D.
dc.contributor.authorBernlohr, K.
dc.contributor.authorBi, B.
dc.contributor.authorde Bony de Lavergne, M.
dc.contributor.authorBottcher, M.
dc.contributor.authorBoisson, C.
dc.contributor.authorBolmont, J.
dc.contributor.authorBorowska, J.
dc.contributor.authorBouyahiaoui, M
dc.contributor.authorBradascio, F.
dc.contributor.authorBreuhaus, M.
dc.contributor.authorBrose, R.
dc.contributor.authorBrown, A. M.
dc.contributor.authorBrun, F.
dc.contributor.authorBruno, B.
dc.contributor.authorBulik, T.
dc.contributor.authorBurger-Scheidlin, C.
dc.contributor.authorCaroff, S.
dc.contributor.authorCasanova, S.
dc.contributor.authorCecil, R.
dc.contributor.authorCelic, J.
dc.contributor.authorCerruti, M.
dc.contributor.authorChand, T.
dc.contributor.authorChandra, S.
dc.contributor.authorChen, A.
dc.contributor.authorChibueze, J.
dc.contributor.authorChibueze, O.
dc.contributor.authorCotter, G.
dc.contributor.authorDamascene Mbarubucyeye, J.
dc.contributor.authorDavids, I. D.
dc.contributor.authorDjannati-Atai, A.
dc.contributor.authorDmytriiev, A.
dc.contributor.authorDoroshenko, V.
dc.contributor.authorEgberts, K.
dc.contributor.authorEinecke, S.
dc.contributor.authorErnenwein, J.-P.
dc.contributor.authorFegan, S.
dc.contributor.authorFontaine, G.
dc.contributor.authorFussling, M.
dc.contributor.authorFunk, S.
dc.contributor.authorGabici, S.
dc.contributor.authorGhafourizadeh, S.
dc.contributor.authorGiavitto, G.
dc.contributor.authorGlawion, D.
dc.contributor.authorGlicenstein, J. F.
dc.contributor.authorGoswami, P.
dc.contributor.authorGrolleron, G.
dc.contributor.authorHaerer, L.
dc.contributor.authorHofmann, W.
dc.contributor.authorHolch, T. L.
dc.contributor.authorHoller, M.
dc.contributor.authorHorns, D.
dc.contributor.authorJamrozy, M.
dc.contributor.authorJankowsky, F.
dc.contributor.authorJoshi, V.
dc.contributor.authorJung-Richardt, I.
dc.contributor.authorKasai, E.
dc.contributor.authorKatarzynski, K.
dc.contributor.authorKhatoon, R.
dc.contributor.authorKhelifi, B.
dc.contributor.authorKluzniak, W.
dc.contributor.authorKomin, N.
dc.contributor.authorKosack, K.
dc.contributor.authorKostunin, D.
dc.contributor.authorLang, R. G.
dc.contributor.authorLe Stum, S.
dc.contributor.authorLeitl, F.
dc.contributor.authorLemiere, A.
dc.contributor.authorLenain, J.-P.
dc.contributor.authorLeuschner, F.
dc.contributor.authorLuashvili, A.
dc.contributor.authorMackey, J.
dc.contributor.authorMarandon, V.
dc.contributor.authorMarchegiani, P.
dc.contributor.authorMarti-Devesa, G.
dc.contributor.authorMarx, R.
dc.contributor.authorMehta, A.
dc.contributor.authorMeyer, M.
dc.contributor.authorMitchell, A.
dc.contributor.authorModerski, R.
dc.contributor.authorMohrmann, L.
dc.contributor.authorMontanari, A.
dc.contributor.authorMoulin, E.
dc.contributor.authorde Naurois, M.
dc.contributor.authorNiemiec, J.
dc.contributor.authorPriyana Noel, A.
dc.contributor.authorO'Brien, P.
dc.contributor.authorOhm, S.
dc.contributor.authorOlivera-Nieto, L.
dc.contributor.authorde Ona Wilhelmi, E.
dc.contributor.authorOstrowski, M.
dc.contributor.authorPanny, S.
dc.contributor.authorPanter, M.
dc.contributor.authorPeron, G.
dc.contributor.authorProkhorov, D. A.
dc.contributor.authorRen, H.
dc.contributor.authorRieger, F.
dc.contributor.authorRowell, G.
dc.contributor.authorRudak, B.
dc.contributor.authorRueda Ricarte, H.
dc.contributor.authorRuiz-Velasco, E.
dc.contributor.authorSahakian, V.
dc.contributor.authorSalzmann, H.
dc.contributor.authorSanchez, D. A.
dc.contributor.authorSantangelo, A.
dc.contributor.authorSasaki, M.
dc.contributor.authorSchussler, F.
dc.contributor.authorSchutte, H. M.
dc.contributor.authorSchwanke, U.
dc.contributor.authorShapopi, J. N. S.
dc.contributor.authorSol, H.
dc.contributor.authorSpecovius, A.
dc.contributor.authorSpencer, S.
dc.contributor.authorStawarz, K.
dc.contributor.authorSteenkamp, R.
dc.contributor.authorSteinmassl, S.
dc.contributor.authorSteppa, C.
dc.contributor.authorSushch, I.
dc.contributor.authorSuzuki, H.
dc.contributor.authorTakahashi, T.
dc.contributor.authorTanaka, T.
dc.contributor.authorTerrier, R.
dc.contributor.authorTsuji, N.
dc.contributor.authorvan Eldik, C.
dc.contributor.authorvan Soelen, B.
dc.contributor.authorVecchi, M.
dc.contributor.authorVeh, J.
dc.contributor.authorVink, J.
dc.contributor.authorWach, T.
dc.contributor.authorWagner, S. J.
dc.contributor.authorWierzcholska, A.
dc.contributor.authorZacharias, M.
dc.contributor.authorZargaryan, D.
dc.contributor.authorZdziarski, A. A.
dc.contributor.authorZech, A.
dc.contributor.authorZouari, S.
dc.contributor.authorZywucka, N.
dc.contributor.authorBuckley, D. A. H.
dc.contributor.authorCooper, J.
dc.contributor.authorGroenewald, D.
dc.contributor.authorH.E.S.S., Collaboration
dc.date.accessioned2023-11-07T10:16:00Z
dc.date.available2023-11-07T10:16:00Z
dc.date.issued2023
dc.description.abstractIn 2021 July, PKS 1510−089 exhibited a significant flux drop in the high-energy γ-ray (by a factor 10) and optical (by a factor 5) bands and remained in this low state throughout 2022. Similarly, the optical polarization in the source vanished, resulting in the optical spectrum being fully explained through the steady flux of the accretion disk and the broad-line region. Unlike the aforementioned bands, the very-high-energy γ-ray and X-ray fluxes did not exhibit a significant flux drop from year to year. This suggests that the steady-state very-high-energy γ-ray and X-ray fluxes originate from a different emission region than the vanished parts of the high-energy γ-ray and optical jet fluxes. The latter component has disappeared through either a swing of the jet away from the line of sight or a significant drop in the photon production efficiency of the jet close to the black hole. Either change could become visible in high-resolution radio images.en_ZA
dc.description.versionPublisher's versionen_ZA
dc.identifier.citationAharonian, F., Benkhali, F. A., Aschersleben, J., Ashkar, H., Backes, M., Martins, V. B., ... & Zouari, S. (2023). The Vanishing of the Primary Emission Region in PKS 1510–089. The Astrophysical Journal Letters, 952(2), L38. https://doi.org/10.3847/2041-8213/ace3c0en_ZA
dc.identifier.issn2041-8205 (print)
dc.identifier.issn2041-8213 (online)
dc.identifier.urihttps://doi.org/10.3847/2041-8213/ace3c0
dc.identifier.urihttp://hdl.handle.net/11660/12332
dc.language.isoenen_ZA
dc.publisherAmerican Astronomical Societyen_ZA
dc.rights.holderAuthor(s)en_ZA
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/en_ZA
dc.subjectBlazarsen_ZA
dc.subjectRelativistic jetsen_ZA
dc.subjectNon-thermal radiation sourcesen_ZA
dc.subjectFlat-spectrum radio quasarsen_ZA
dc.subjectGamma-ray sourcesen_ZA
dc.subjectSpectropolarimetryen_ZA
dc.titleThe vanishing of the primary emission region in PKS 1510–089en_ZA
dc.typeArticleen_ZA
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