{"paper":{"title":"Pulsed Gamma Rays from the Original Millisecond and Black Widow Pulsars: a case for Caustic Radio Emission?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. K. Harding, A. Noutsos, B. Pancrazi, B. W. Stappers, C. M. Espinoza, C. Venter, D. A. Smith, D. Parent, F. Camilo, F. Gargano, G. H. Janssen, G. Theureau, I. Cognard, J. E. Grove, L. Guillemot, M. Kerr, M. Kramer, M. Livingstone, N. Webb, P. C. C. Freire, P. F. Michelson, P. Jaroenjittichai, P. S. Ray, R. Shannon, S. E. Thorsett, S. Johnston, S. M. Ransom, T. J. Johnson","submitted_at":"2011-10-06T14:10:04Z","abstract_excerpt":"We report the detection of pulsed gamma-ray emission from the fast millisecond pulsars (MSPs) B1937+21 (also known as J1939+2134) and B1957+20 (J1959+2048) using 18 months of survey data recorded by the \\emph{Fermi} Large Area Telescope (LAT) and timing solutions based on radio observations conducted at the Westerbork and Nan\\c{c}ay radio telescopes. In addition, we analyzed archival \\emph{RXTE} and \\emph{XMM-Newton} X-ray data for the two MSPs, confirming the X-ray emission properties of PSR B1937+21 and finding evidence ($\\sim 4\\sigma$) for pulsed emission from PSR B1957+20 for the first tim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1271","kind":"arxiv","version":2},"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"}