{ "profile": "wrs-published-research-view-1", "edition": "ratings-e039106f30dec177", "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS", "entry": { "id": "camilo-magnetar-xte-j1810-radio-pulsations-2006", "title": "Radio pulsations from the transient magnetar XTE J1810−197", "summary": "Halpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history.", "boundary": "The 2005 detection was a spatially unresolved continuum source, not a radio-pulse measurement; its authors considered a wind nebula and transient afterglow as hypotheses. The 2006 pulsed observations show a different mechanism was present later and do not retroactively resolve the composition of the earlier flux. This is one transient source in bounded observing intervals, not evidence that all magnetars are radio pulsars. Archival non-detections are upper limits and do not exclude weaker pre-outburst emission. Distance and inferred field depend on models; the later 42 GHz flux has roughly factor-two uncertainty and high-frequency scintillation may affect variability. The two reports have different bylines and some names remain in their printed initials.", "area": "Astrophysics", "topic": "Physics", "year": 2006, "lane": "HUMAN", "result": "EMPIRICAL", "package_id": "camilo-magnetar-xte-j1810-radio-pulsations-2006", "target": { "record_id": "urn:uuid:bd5639a9-0efe-4471-a8d8-089b0b47960b", "version": 1, "content_hash": "sha256:1de9906576ed24d0756ff2d74513aa2990381862af8c182cf5b5aeeb100adc1a" }, "humans": [ "Fernando Camilo", "Scott M. Ransom", "Jules P. Halpern", "John Reynolds", "David J. Helfand", "Neil Zimmerman", "John Sarkissian", "E. V. Gotthelf", "R. H. Becker", "R. L. White" ], "authors_complete": false, "human_role_note": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.", "agents": [], "related": [], "subresults": [], "scientific_assessment": { "source_review": "SOURCE_CURATED", "scientific_review": "NOT_REVIEWED_BY_WRS", "formal_replay": "NOT_RUN", "provider_attestation": "NONE" }, "sources": [ { "id": "camilo-magnetar-radio-pulses-2006-v1", "title": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1", "date": "2006-05-17" }, { "id": "halpern-xte-j1810-radio-continuum-2005-v1", "title": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1", "date": "2005-08-24" } ], "points": "155000", "published_grade": { "id": "camilo-magnetar-xte-j1810-radio-pulsations-2006", "entry_id": "camilo-magnetar-xte-j1810-radio-pulsations-2006", "band": "A", "modifier": "+", "target": { "record_id": "urn:uuid:bd5639a9-0efe-4471-a8d8-089b0b47960b", "version": 1, "content_hash": "sha256:1de9906576ed24d0756ff2d74513aa2990381862af8c182cf5b5aeeb100adc1a" }, "what_changed": "Halpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history.", "scope": "Halpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history. The 2005 detection was a spatially unresolved continuum source, not a radio-pulse measurement; its authors considered a wind nebula and transient afterglow as hypotheses. The 2006 pulsed observations show a different mechanism was present later and do not retroactively resolve the composition of the earlier flux. This is one transient source in bounded observing intervals, not evidence that all magnetars are radio pulsars. Archival non-detections are upper limits and do not exclude weaker pre-outburst emission. Distance and inferred field depend on models; the later 42 GHz flux has roughly factor-two uncertainty and high-frequency scintillation may affect variability. 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Ransom", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Jules P. Halpern", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "John Reynolds", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "David J. Helfand", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Neil Zimmerman", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "John Sarkissian", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "E. V. Gotthelf", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "precursor" ], "source": { "citation": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. H. Becker", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "precursor" ], "source": { "citation": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. L. White", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "precursor" ], "source": { "citation": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1" } } ], "evidence": [ { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-0", "kind": "source_reference", "source": { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" } }, { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-1", "kind": "source_reference", "source": { "citation": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1" } } ], "origin": "HUMAN_LEGACY", "record_profile": "wrs-local-research-notes-0.1", "record_type": "research_note", "rrp_version": "0.1", "scope": { "description": "The 2005 detection was a spatially unresolved continuum source, not a radio-pulse measurement; its authors considered a wind nebula and transient afterglow as hypotheses. The 2006 pulsed observations show a different mechanism was present later and do not retroactively resolve the composition of the earlier flux. This is one transient source in bounded observing intervals, not evidence that all magnetars are radio pulsars. Archival non-detections are upper limits and do not exclude weaker pre-outburst emission. Distance and inferred field depend on models; the later 42 GHz flux has roughly factor-two uncertainty and high-frequency scintillation may affect variability. The two reports have different bylines and some names remain in their printed initials.", "domain": "Astrophysics" }, "sources": [ { "citation": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1" }, { "citation": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1" } ], "statement": "# Radio pulsations from the transient magnetar XTE J1810−197\n\nHalpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history.\n\n## Scientific scope\n\nThe 2005 detection was a spatially unresolved continuum source, not a radio-pulse measurement; its authors considered a wind nebula and transient afterglow as hypotheses. The 2006 pulsed observations show a different mechanism was present later and do not retroactively resolve the composition of the earlier flux. This is one transient source in bounded observing intervals, not evidence that all magnetars are radio pulsars. Archival non-detections are upper limits and do not exclude weaker pre-outburst emission. Distance and inferred field depend on models; the later 42 GHz flux has roughly factor-two uncertainty and high-frequency scintillation may affect variability. The two reports have different bylines and some names remain in their printed initials.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nFernando Camilo; Scott M. Ransom; Jules P. Halpern; John Reynolds; David J. Helfand; Neil Zimmerman; John Sarkissian; E. V. Gotthelf; R. H. Becker; R. L. White\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [Transient pulsed radio emission from a magnetar](https://arxiv.org/pdf/astro-ph/0605429v1)\n- [Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197](https://arxiv.org/pdf/astro-ph/0508534v1)\n", "summary": "Halpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history.", "title": "Radio pulsations from the transient magnetar XTE J1810−197" }, "record_id": "urn:uuid:bd5639a9-0efe-4471-a8d8-089b0b47960b", "version": 1, "source_ref": { "record_id": "urn:uuid:bd5639a9-0efe-4471-a8d8-089b0b47960b", "version": 1, "content_hash": "sha256:1de9906576ed24d0756ff2d74513aa2990381862af8c182cf5b5aeeb100adc1a" }, "export_view": "wrs-public-editorial-view-1", "public_view_hash": "sha256:d82eb28e93c6fff0c6bbe0d10260320cb98cab4cc19b1fb64f4efa4dbb457549" }, "target": { "record_id": "urn:uuid:bd5639a9-0efe-4471-a8d8-089b0b47960b", "version": 1, "content_hash": "sha256:1de9906576ed24d0756ff2d74513aa2990381862af8c182cf5b5aeeb100adc1a" }, "published_grade": { "profile": "wrs-published-grade-1", "edition": "2026-10-28.1", "id": "camilo-magnetar-xte-j1810-radio-pulsations-2006", "entry_id": "camilo-magnetar-xte-j1810-radio-pulsations-2006", "revision": 1, "title": "Radio pulsations from the transient magnetar XTE J1810−197", "context": "Astrophysics", "track": "Source-reported experimental result or reusable measurement method", "band": "A", "modifier": "+", "status": "PROVISIONAL_EDITORIAL", "assessed_on": "2026-10-28", "evidence_cutoff": "2026-10-28", "achievement_state": "SUPPORTED_SCOPED_RESULT", "what_changed": "Halpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history.", "scope": "Halpern and colleagues identified a compact 1.4 GHz radio source coincident with the transient anomalous X-ray pulsar XTE J1810−197 in 2004 VLA observations. In 2006 Camilo and colleagues detected narrow radio pulses at its approximately 5.54-second rotation period with Parkes and Green Bank, showing that a magnetar could also behave as a radio pulsar. The two measurements are distinct stages of the same object’s radio-observation history. The 2005 detection was a spatially unresolved continuum source, not a radio-pulse measurement; its authors considered a wind nebula and transient afterglow as hypotheses. The 2006 pulsed observations show a different mechanism was present later and do not retroactively resolve the composition of the earlier flux. This is one transient source in bounded observing intervals, not evidence that all magnetars are radio pulsars. Archival non-detections are upper limits and do not exclude weaker pre-outburst emission. Distance and inferred field depend on models; the later 42 GHz flux has roughly factor-two uncertainty and high-frequency scintillation may affect variability. The two reports have different bylines and some names remain in their printed initials.", "evidence_summary": "The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The 2005 detection was a spatially unresolved continuum source, not a radio-pulse measurement; its authors considered a wind nebula and transient afterglow as hypotheses. The 2006 pulsed observations show a different mechanism was present later and do not retroactively resolve the composition of the earlier flux. This is one transient source in bounded observing intervals, not evidence that all magnetars are radio pulsars. Archival non-detections are upper limits and do not exclude weaker pre-outburst emission. Distance and inferred field depend on models; the later 42 GHz flux has roughly factor-two uncertainty and high-frequency scintillation may affect variability. The two reports have different bylines and some names remain in their printed initials.", "references": [ { "title": "Transient pulsed radio emission from a magnetar", "url": "https://arxiv.org/pdf/astro-ph/0605429v1", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." }, { "title": "Discovery of Radio Emission from Transient Anomalous X-ray Pulsar XTE J1810−197", "url": "https://arxiv.org/pdf/astro-ph/0508534v1", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." } ], "roles": [ { "who": "The named authors in the research record", "credit": "SCIENCE", "did": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged." } ], "target": { "record_id": "urn:uuid:bd5639a9-0efe-4471-a8d8-089b0b47960b", "version": 1, "content_hash": "sha256:1de9906576ed24d0756ff2d74513aa2990381862af8c182cf5b5aeeb100adc1a" }, "scientific_correctness_certified": false, "independent_expert_calibration": false, "method": "PROPRIETARY", "points": "155000" }, "canonical_agent_submission": false, "scientific_verification_awarded": false, "reader_guide": null, "reading_status": "SOURCE_LINKED_NOTE" }