{"paper":{"title":"Deep optical observations of the gamma-ray pulsar PSR J0007+7303 in the CTA 1 supernova remnant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Caliandro (CSIC-IEEC), A. de Luca (INAF-IASF Milano, A. Shearer, D. F. Torres, D. Hadasch, INFN), Kepler Institute of Astronomy, MSSL/UCL, National University of Ireland), N. Rea (CSIC-IEEC), R. P. Mignani (INAF-IASF Milano, S. Collins (Centre for Astronomy, University of Zielona Gora)","submitted_at":"2013-01-02T15:21:59Z","abstract_excerpt":"The Fermi Large Area Telescope (LAT) discovered the time signature of a radio-silent pulsar coincident with RX J0007.0+7302, a plerion-like X-ray source at the centre of the CTA 1 supernova remnant. The inferred timing parameters of the gamma-ray pulsar PSR J0007+7303 (P=315.8 ms; dot{P}\\sim3.6 10^{-13} s s^{-1}) point to a Vela-like neutron star, with an age comparable to that of CTA 1. The PSR J0007+7303 low distance (\\sim 1.4 kpc), interstellar absorption (A_V\\sim 1.6), and relatively high energy loss rate (dot{E} \\sim4.5 10^{35} erg s^{-1}), make it a suitable candidate for an optical foll"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0245","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"}