{"paper":{"title":"The awakening of the gamma-ray narrow-Line Seyfert 1 galaxy PKS 1502+036","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. C. S. Readhead (Cahill Center for Astronomy, Astronomy of the University of Bologna, Astrophysics), Departamento de Astronomia, F. D'Ammando (Department of Physics, INAF-IRA Bologna), J. Finke (U.S. Naval Research Laboratory), J. L. Richards (Department of Physics, M. Giroletti (INAF-IRA Bologna), M. Orienti (INAF-IRA Bologna), Purdue University), R. A. Reeves (CePIA, T. Hovatta (Aalto University Metsahovi Radio Observatory), T. J. Pearson (Cahill Center for Astronomy, Universidad de Concepcion), W. Max-Moerbeck (Max-Planck-Institut fur Radioastronomie)","submitted_at":"2016-09-15T20:20:08Z","abstract_excerpt":"After a long low-activity period, a gamma-ray flare from the narrow-line Seyfert 1 PKS 1502+036 (z=0.4089) was detected by the Large Area Telescope (LAT) on board Fermi in 2015. On 2015 December 20 the source reached a daily peak flux, in the 0.1-300 GeV band, of (93 $\\pm$ 19) $\\times$10$^{-8}$ ph cm$^{-2}$ s$^{-1}$, attaining a flux of (237 $\\pm$ 71) $\\times$10$^{-8}$ ph cm$^{-2}$ s$^{-1}$ on 3-hr time-scales, which corresponds to an isotropic luminosity of (7.3 $\\pm$ 2.1) $\\times$10$^{47}$ erg/s. The gamma-ray flare was not accompanied by significant spectral changes. We report on multi-wave"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04845","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":""},"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"}