{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:EPK3WMSKBOFEPORHFMQK3IMIQP","short_pith_number":"pith:EPK3WMSK","schema_version":"1.0","canonical_sha256":"23d5bb324a0b8a47ba272b20ada18883cbb493390b177bc9d89f0d8ad36f2c37","source":{"kind":"arxiv","id":"astro-ph/9703018","version":1},"attestation_state":"computed","paper":{"title":"ROSAT observations of two 'cooling flow' EMSS Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. J. Blair, G. C. Stewart (University of Leicester), I. Georgantopoulos","submitted_at":"1997-03-04T10:56:28Z","abstract_excerpt":"We present ROSAT observations of two luminous L~10^44 erg/s EMSS galaxies, MS1019+5139 and MS1209+3917, previously classified as 'cooling flow' galaxies. MS1019+5139 does not appear to be spatially extended (<13 kpc) while its spectrum is well fit by a power law with Gamma = 1.73 +0.19-0.18; X-ray variability on a timescale of ~ years is also clearly detected. MS1209+3917 shows no evidence of spatial extension (<50 kpc) but it shows variability, while its spectrum can be fit with thermal bremsstrahlung emission (kT=1.8 +0.9-0.4 keV) or a power law model (Gamma = 2.50 +0.44-0.42, but with exces"},"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/9703018","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-03-04T10:56:28Z","cross_cats_sorted":[],"title_canon_sha256":"cbba1ec107a299efb4ef4a56d11bff3df52f446c2e3d78d2ff73669081200cca","abstract_canon_sha256":"411b35f6e3575358201b223dc72a21f8c7be31eae6c5ecbae1e622808258ee6f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:18.067358Z","signature_b64":"j2NlY5sJg9zUUNtoCtDhnW8Fj67+7g+6KWQEDkPBwzQag18RxeqvvKDWd47wihzojFsKPRG0mn9YlQGQhLZTCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23d5bb324a0b8a47ba272b20ada18883cbb493390b177bc9d89f0d8ad36f2c37","last_reissued_at":"2026-05-18T01:40:18.066679Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:18.066679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ROSAT observations of two 'cooling flow' EMSS Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. J. Blair, G. C. Stewart (University of Leicester), I. Georgantopoulos","submitted_at":"1997-03-04T10:56:28Z","abstract_excerpt":"We present ROSAT observations of two luminous L~10^44 erg/s EMSS galaxies, MS1019+5139 and MS1209+3917, previously classified as 'cooling flow' galaxies. MS1019+5139 does not appear to be spatially extended (<13 kpc) while its spectrum is well fit by a power law with Gamma = 1.73 +0.19-0.18; X-ray variability on a timescale of ~ years is also clearly detected. MS1209+3917 shows no evidence of spatial extension (<50 kpc) but it shows variability, while its spectrum can be fit with thermal bremsstrahlung emission (kT=1.8 +0.9-0.4 keV) or a power law model (Gamma = 2.50 +0.44-0.42, but with exces"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9703018","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9703018","created_at":"2026-05-18T01:40:18.066787+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9703018v1","created_at":"2026-05-18T01:40:18.066787+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9703018","created_at":"2026-05-18T01:40:18.066787+00:00"},{"alias_kind":"pith_short_12","alias_value":"EPK3WMSKBOFE","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_16","alias_value":"EPK3WMSKBOFEPORH","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_8","alias_value":"EPK3WMSK","created_at":"2026-05-18T12:25:48.327863+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/EPK3WMSKBOFEPORHFMQK3IMIQP","json":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP.json","graph_json":"https://pith.science/api/pith-number/EPK3WMSKBOFEPORHFMQK3IMIQP/graph.json","events_json":"https://pith.science/api/pith-number/EPK3WMSKBOFEPORHFMQK3IMIQP/events.json","paper":"https://pith.science/paper/EPK3WMSK"},"agent_actions":{"view_html":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP","download_json":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP.json","view_paper":"https://pith.science/paper/EPK3WMSK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9703018&json=true","fetch_graph":"https://pith.science/api/pith-number/EPK3WMSKBOFEPORHFMQK3IMIQP/graph.json","fetch_events":"https://pith.science/api/pith-number/EPK3WMSKBOFEPORHFMQK3IMIQP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP/action/storage_attestation","attest_author":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP/action/author_attestation","sign_citation":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP/action/citation_signature","submit_replication":"https://pith.science/pith/EPK3WMSKBOFEPORHFMQK3IMIQP/action/replication_record"}},"created_at":"2026-05-18T01:40:18.066787+00:00","updated_at":"2026-05-18T01:40:18.066787+00:00"}