{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:6IDKIWPNIDYH4AMMDHLUIT4R5V","short_pith_number":"pith:6IDKIWPN","schema_version":"1.0","canonical_sha256":"f206a459ed40f07e018c19d7444f91ed6bd98b8f053a9d5b7ff9c1240296df14","source":{"kind":"arxiv","id":"astro-ph/0410606","version":1},"attestation_state":"computed","paper":{"title":"XMM-Newton observations of UW CrB -- detection of X-ray bursts and evidence for accretion disc evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. Hannikainen, G. Ramsay, K. Mukai, O. Vilhu, P. Charles, P. Hakala, P. Muhli","submitted_at":"2004-10-25T19:22:51Z","abstract_excerpt":"UW CrB (MS1603+2600) is a peculiar short period X-ray binary that exhibits extraordinary optical behaviour. The optical light curve shape of the system changes drastically from night to night, without any changes in overall brightness. Here we report X-ray observations of UW CrB obtained with {\\it XMM-Newton}. We find evidence for several X-ray bursts confirming a neutron star primary. This considerably strengthens the case that UW CrB is an Accretion Disc Corona (ADC) system located at a distance of at least 5--7 kpc,\n  (3--5 kpc above the galactic plane). The X-ray and optical monitor (UV+op"},"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":"astro-ph/0410606","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-10-25T19:22:51Z","cross_cats_sorted":[],"title_canon_sha256":"7d292c6db6a08c5b62a24b6360926fe6aae43e50ba537ea8674d1e52cc4f1385","abstract_canon_sha256":"63adf03369c58318a0726c0e5b1dc11f555006051299da54772ba2eab77b79c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:45:02.797994Z","signature_b64":"2l8UGI7uIxb6I9riL4n0+RCRHkxeAvxFnLVAn5fAbujTefjH2HAYRnBLl5C1wptHXkH5x0fvlUPoQQttc9DyCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f206a459ed40f07e018c19d7444f91ed6bd98b8f053a9d5b7ff9c1240296df14","last_reissued_at":"2026-07-04T16:45:02.797562Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:45:02.797562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"XMM-Newton observations of UW CrB -- detection of X-ray bursts and evidence for accretion disc evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. Hannikainen, G. Ramsay, K. Mukai, O. Vilhu, P. Charles, P. Hakala, P. Muhli","submitted_at":"2004-10-25T19:22:51Z","abstract_excerpt":"UW CrB (MS1603+2600) is a peculiar short period X-ray binary that exhibits extraordinary optical behaviour. The optical light curve shape of the system changes drastically from night to night, without any changes in overall brightness. Here we report X-ray observations of UW CrB obtained with {\\it XMM-Newton}. We find evidence for several X-ray bursts confirming a neutron star primary. This considerably strengthens the case that UW CrB is an Accretion Disc Corona (ADC) system located at a distance of at least 5--7 kpc,\n  (3--5 kpc above the galactic plane). The X-ray and optical monitor (UV+op"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0410606","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0410606/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0410606","created_at":"2026-07-04T16:45:02.797632+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0410606v1","created_at":"2026-07-04T16:45:02.797632+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0410606","created_at":"2026-07-04T16:45:02.797632+00:00"},{"alias_kind":"pith_short_12","alias_value":"6IDKIWPNIDYH","created_at":"2026-07-04T16:45:02.797632+00:00"},{"alias_kind":"pith_short_16","alias_value":"6IDKIWPNIDYH4AMM","created_at":"2026-07-04T16:45:02.797632+00:00"},{"alias_kind":"pith_short_8","alias_value":"6IDKIWPN","created_at":"2026-07-04T16:45:02.797632+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V","json":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V.json","graph_json":"https://pith.science/api/pith-number/6IDKIWPNIDYH4AMMDHLUIT4R5V/graph.json","events_json":"https://pith.science/api/pith-number/6IDKIWPNIDYH4AMMDHLUIT4R5V/events.json","paper":"https://pith.science/paper/6IDKIWPN"},"agent_actions":{"view_html":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V","download_json":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V.json","view_paper":"https://pith.science/paper/6IDKIWPN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0410606&json=true","fetch_graph":"https://pith.science/api/pith-number/6IDKIWPNIDYH4AMMDHLUIT4R5V/graph.json","fetch_events":"https://pith.science/api/pith-number/6IDKIWPNIDYH4AMMDHLUIT4R5V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V/action/storage_attestation","attest_author":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V/action/author_attestation","sign_citation":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V/action/citation_signature","submit_replication":"https://pith.science/pith/6IDKIWPNIDYH4AMMDHLUIT4R5V/action/replication_record"}},"created_at":"2026-07-04T16:45:02.797632+00:00","updated_at":"2026-07-04T16:45:02.797632+00:00"}