{"paper":{"title":"Radius of the neutron star magnetosphere during disk accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"1) ((1) Space Research Institute, (2) Tuorla Observatory, A.A. Lutovinov (1), E.V. Filippova (1), Finland), I.A. Mereminskiy (1), Moscow, Russia, S.S. Tsygankov (2, S.V. Molkov (1), University of Turku","submitted_at":"2017-10-04T15:09:25Z","abstract_excerpt":"The dependence of the spin frequency derivative $\\dot{\\nu}$ of accreting neutron stars with a strong magnetic field (X-ray pulsars) on the mass accretion rate (bolometric luminosity, $L_{bol}$) has been investigated for eight transient pulsars in binary systems with Be stars. Using data from the Fermi/GBM and Swift/BAT telescopes, we have shown that for seven of the eight systems the dependence $\\dot{\\nu}$ can be fitted by the model of angular momentum transfer through an accretion disk, which predicts the relation $\\dot{\\nu}\\sim L^{6/7}_{bol}$. Hysteresis in the dependence $\\dot{\\nu}(L_{bol})"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.01646","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"}