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Rea (CSIC-IEEC","submitted_at":"2013-11-13T11:36:04Z","abstract_excerpt":"We study the outburst of the newly discovered X-ray transient 3XMM J185246.6+003317, re-analysing all available XMM-Newton, observations of the source to perform a phase-coherent timing analysis, and derive updated values of the period and period derivative. We find the source rotating at P=11.55871346(6) s (90% confidence level; at epoch MJD 54728.7) but no evidence for a period derivative in the 7 months of outburst decay spanned by the observations. This translates in a 3sigma upper limit for the period derivative of Pdot<1.4x10^{-13} s/s, which, assuming the classical magneto-dipolar braki"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1311.3091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-13T11:36:04Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"afc4ef17df9e7ff81235cc7c0a373bcaf2219830344248debb243c33f79007c5","abstract_canon_sha256":"4de222d3e4cde9e114b3bca6890394088dd32a58fb1c595a7c723c403fa05b47"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:31.620006Z","signature_b64":"TAMysvj7Yp1u547vdEXz3frbC6hfHcIh9foZahy353tIMy4vyoTQ6cWf4Yyl1df1pr9+Iqf+d+hivT86unbEDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43c3a33a27b117ddc8a5d19851ce903f1ffa535267e0fb69b16ca85eba0fdef7","last_reissued_at":"2026-05-18T01:46:31.619576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:31.619576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"3XMM J185246.6+003317: another low magnetic field magnetar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"API-University of Amsterdam), D. 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