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The Vanishing of the Primary Emission Region in PKS 1510-089

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cris.lastimport.scopus2024-02-12T20:02:45Z
dc.abstract.enIn 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.
dc.affiliationUniwersytet Warszawski
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dc.date.accessioned2024-01-26T10:50:41Z
dc.date.available2024-01-26T10:50:41Z
dc.date.copyright2023-08-01
dc.date.issued2023
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number2
dc.description.versionFINAL_PUBLISHED
dc.description.volume952
dc.identifier.doi10.3847/2041-8213/ACE3C0
dc.identifier.issn2041-8205
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/123296
dc.identifier.weblinkhttp://adsabs.harvard.edu/abs/2023ApJ...952L..38A
dc.languageeng
dc.pbn.affiliationastronomy
dc.relation.ispartofAstrophysical Journal Letters
dc.relation.pagesL38
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleThe Vanishing of the Primary Emission Region in PKS 1510-089
dc.typeJournalArticle
dspace.entity.typePublication