{"paper":{"title":"Multiwavelength observations of the gamma-ray emitting narrow-line Seyfert 1 PMN J0948+0022 in 2011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. Carraminana (INAOE, A. C. S. Readhead (Cahill Center for Astronomy, A. J. Drake (California Institute of Technology), A. Porras (INAOE, Astrophysics), C. M. Raiteri (INAF-OA Torino), Dep. of Physics, E. Angelakis (MPIfR), E. Recillas (INAOE, F. D'Ammando (INAF-IRA), J. Larsson (KTH, J. L. Richards (Dep. of Physics, L. Carrasco (INAOE, L. Fuhrmann (MPIfR), Mexico), M. Giroletti (INAF-IRA), M. Orienti (INAF-IRA), Purdue University), the Oskar Klein Centre), T. Hovatta (Cahill Center for Astronomy, W. Max-Moerbeck (Cahill Center for Astronomy","submitted_at":"2013-12-19T12:57:08Z","abstract_excerpt":"We report on radio-to-gamma-ray observations during 2011 May-September of PMN J0948+0022, the first narrow-line Seyfert 1 (NLSy1) galaxy detected in gamma-rays by Fermi-LAT. Strong variability was observed in gamma-rays, with two flaring periods peaking on 2011 June 20 and July 28. The variability observed in optical and near-infrared seems to have no counterpart in gamma-rays. This different behaviour could be related to a bending and inhomogeneous jet or a turbulent extreme multi-cell scenario. The radio spectra showed a variability pattern typical of relativistic jets.\n  The XMM spectrum sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5522","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"}