{"paper":{"title":"Multi-wavelength observations of the lensed quasar PKS 1830$-$211 during the 2019 $\\gamma$-ray flare","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Bulgarelli, A. C. S. Readhead, A. De Rosa, A. Melis, A. Morselli, A. Ridolfi, A. Trois, A. W. Chen, C. Pittori, D. Perrodin, E. Brocato, E. Egron, F. Capitanio, F. Lucarelli, F. Verrecchia, F. Vitali, G. Piano, G. Valente, I. Donnarumma, L. Di Gesu, L. Pacciani, M. N. Iacolina, M. Pili, M. Pilia, M. Tavani, P. A. Pellizzoni, P. W. Cattaneo, R. Reeves, S. Kiehlmann, S. Puccetti, S. Righini, S. Vercellone (INAF/OAB), T. Hovatta, V. Vittorini, W. Max-Moerbeck","submitted_at":"2023-11-13T13:36:40Z","abstract_excerpt":"PKS 1830$-$211 is a $\\gamma$-ray emitting, high-redshift (z $= 2.507 \\pm 0.002$), lensed flat-spectrum radio quasar. During the period mid-February to mid-April 2019, this source underwent a series of strong $\\gamma$-ray flares that were detected by both AGILE-GRID and Fermi-LAT, reaching a maximum $\\gamma$-ray flux of $F_{\\rm E>100 MeV}\\approx 2.3\\times10^{-5}$ ph cm$^{-2}$ s$^{-1}$. Here we report on a coordinated campaign from both on-ground (Medicina, OVRO, REM, SRT) and orbiting facilities (AGILE, Fermi, INTEGRAL, NuSTAR, Swift, Chandra), with the aim of investigating the multi-wavelength"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.07332","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.07332/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}