{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:Y3KIQ3T4PNBNE5SUGA5FTFYSXN","short_pith_number":"pith:Y3KIQ3T4","schema_version":"1.0","canonical_sha256":"c6d4886e7c7b42d27654303a599712bb5cf09eff8dbbbbf58df9ec186be8da78","source":{"kind":"arxiv","id":"2410.16053","version":1},"attestation_state":"computed","paper":{"title":"Hubble Space Telescope Observations of Nearby Type 1 Quasars. I. Characterisation of the Extended [O III] 5007{\\AA} Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anna Trindade Falc\\~ao, C. M. Gaskell, D. M. Crenshaw, H. Netzer, H. R. Schmitt, L. C. Ho, L. Feuillet, M. Elvis, M. J. Ward, M. Revalski, M. Vestergaard, S. B. Kraemer, T. C. Fischer, T. J. Turner, T. Storchi-Bergmann, W. P. Maksym","submitted_at":"2024-10-21T14:28:29Z","abstract_excerpt":"We use the Hubble Space Telescope to analyse the extended [O III] 5007A emission in seven bright radio-quiet type 1 quasars (QSO1s), focusing on the morphology and physical conditions of their extended Narrow-Line Regions (NLRs). We find NLRs extending 3-9 kpc, with four quasars showing roughly symmetrical structures (b/a=1.2-1.5) and three displaying asymmetric NLRs (b/a=2.4-5.6). When included with type 1 and type 2 AGNs from previous studies, the sizes of the extended [O III] regions scale with luminosity as $R[O III] \\sim L[O III]^{0.5}$, consistent with photoionisation. However, when anal"},"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":"2410.16053","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-21T14:28:29Z","cross_cats_sorted":[],"title_canon_sha256":"8f59aa723abc45929bf62fb6fe91d557b04263208ce831b733b87339ab28e867","abstract_canon_sha256":"5d48e6f7001bad0db1689d8bacfbd29eafdfe4c4c82472dd702d59d6d315ea0b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:23:28.651769Z","signature_b64":"RZfd/UklpowG4Tv4ocmwQZX39iwplQhtpIiO4VRdIfa84OBWnVqFXoTiGbfxyMDmxOKjD0NA/uyzQUyzs1cdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6d4886e7c7b42d27654303a599712bb5cf09eff8dbbbbf58df9ec186be8da78","last_reissued_at":"2026-07-05T09:23:28.651280Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:23:28.651280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hubble Space Telescope Observations of Nearby Type 1 Quasars. I. Characterisation of the Extended [O III] 5007{\\AA} Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anna Trindade Falc\\~ao, C. M. Gaskell, D. M. Crenshaw, H. Netzer, H. R. Schmitt, L. C. Ho, L. Feuillet, M. Elvis, M. J. Ward, M. Revalski, M. Vestergaard, S. B. Kraemer, T. C. Fischer, T. J. Turner, T. Storchi-Bergmann, W. P. Maksym","submitted_at":"2024-10-21T14:28:29Z","abstract_excerpt":"We use the Hubble Space Telescope to analyse the extended [O III] 5007A emission in seven bright radio-quiet type 1 quasars (QSO1s), focusing on the morphology and physical conditions of their extended Narrow-Line Regions (NLRs). We find NLRs extending 3-9 kpc, with four quasars showing roughly symmetrical structures (b/a=1.2-1.5) and three displaying asymmetric NLRs (b/a=2.4-5.6). When included with type 1 and type 2 AGNs from previous studies, the sizes of the extended [O III] regions scale with luminosity as $R[O III] \\sim L[O III]^{0.5}$, consistent with photoionisation. However, when anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.16053","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/2410.16053/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":"2410.16053","created_at":"2026-07-05T09:23:28.651346+00:00"},{"alias_kind":"arxiv_version","alias_value":"2410.16053v1","created_at":"2026-07-05T09:23:28.651346+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.16053","created_at":"2026-07-05T09:23:28.651346+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y3KIQ3T4PNBN","created_at":"2026-07-05T09:23:28.651346+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y3KIQ3T4PNBNE5SU","created_at":"2026-07-05T09:23:28.651346+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y3KIQ3T4","created_at":"2026-07-05T09:23:28.651346+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/Y3KIQ3T4PNBNE5SUGA5FTFYSXN","json":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN.json","graph_json":"https://pith.science/api/pith-number/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/graph.json","events_json":"https://pith.science/api/pith-number/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/events.json","paper":"https://pith.science/paper/Y3KIQ3T4"},"agent_actions":{"view_html":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN","download_json":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN.json","view_paper":"https://pith.science/paper/Y3KIQ3T4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2410.16053&json=true","fetch_graph":"https://pith.science/api/pith-number/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/graph.json","fetch_events":"https://pith.science/api/pith-number/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/action/storage_attestation","attest_author":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/action/author_attestation","sign_citation":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/action/citation_signature","submit_replication":"https://pith.science/pith/Y3KIQ3T4PNBNE5SUGA5FTFYSXN/action/replication_record"}},"created_at":"2026-07-05T09:23:28.651346+00:00","updated_at":"2026-07-05T09:23:28.651346+00:00"}