{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:I64OAJDGZTESGHO55J23KD6DKU","short_pith_number":"pith:I64OAJDG","schema_version":"1.0","canonical_sha256":"47b8e02466ccc9231dddea75b50fc3553862af59d73d187157540dce73941f3e","source":{"kind":"arxiv","id":"astro-ph/0702526","version":1},"attestation_state":"computed","paper":{"title":"Arcsecond-Resolution Submillimeter HCN Imaging of the Binary Protostar IRAS 16293-2422","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"ASIAA), D. Wilner (SAO), J. Jorgensen (CfA), NAOJ), N. Hirano (ASIAA), N. Ohashi (ASIAA), NTNU), P. T. P. Ho (CfA, S. C. C. Yeh (ASIAA), S. Takakuwa (CfA, T. Bourke (CfA), Y.-J. Kuan (ASIAA","submitted_at":"2007-02-20T14:52:52Z","abstract_excerpt":"(Abridged) With the SMA we have made high angular-resolution (~1\" = 160 AU) observations of the protobinary system IRAS 16293-2422 in the J = 4-3 lines of HCN and HC^15N, and in the continuum at 354.5 GHz. The HCN (4-3) line was also observed using the JCMT to supply missing short spacing information. Submillimeter continuum emission is detected from the individual binary components with a separation of ~5\". The HC^15N (4-3) emission has revealed a compact (~500 AU) flattened structure (P.A. = -16 degree) associated with Source A, and shows a velocity gradient along the projected minor axis, w"},"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/0702526","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-20T14:52:52Z","cross_cats_sorted":[],"title_canon_sha256":"7b93e9f1490f141b3a6ed357a10df6075bb35e64009982e2c904ac1667694b16","abstract_canon_sha256":"d1f923d719e0ca1b015d5b8a7abdc0d9a6732effcce09b1dceb2bba83a558844"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:06.364677Z","signature_b64":"dGJ1OXfbRo72muiDL4hmMFwazOxF9tBjZE09FIh0eJvvrWbV6yt3QtQADQEYQ2DRTumxFRhAZJrMGvpnjWOWDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47b8e02466ccc9231dddea75b50fc3553862af59d73d187157540dce73941f3e","last_reissued_at":"2026-05-18T04:29:06.363931Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:06.363931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Arcsecond-Resolution Submillimeter HCN Imaging of the Binary Protostar IRAS 16293-2422","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"ASIAA), D. Wilner (SAO), J. Jorgensen (CfA), NAOJ), N. Hirano (ASIAA), N. Ohashi (ASIAA), NTNU), P. T. P. Ho (CfA, S. C. C. Yeh (ASIAA), S. Takakuwa (CfA, T. Bourke (CfA), Y.-J. Kuan (ASIAA","submitted_at":"2007-02-20T14:52:52Z","abstract_excerpt":"(Abridged) With the SMA we have made high angular-resolution (~1\" = 160 AU) observations of the protobinary system IRAS 16293-2422 in the J = 4-3 lines of HCN and HC^15N, and in the continuum at 354.5 GHz. The HCN (4-3) line was also observed using the JCMT to supply missing short spacing information. Submillimeter continuum emission is detected from the individual binary components with a separation of ~5\". The HC^15N (4-3) emission has revealed a compact (~500 AU) flattened structure (P.A. = -16 degree) associated with Source A, and shows a velocity gradient along the projected minor axis, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0702526","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/0702526","created_at":"2026-05-18T04:29:06.364049+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0702526v1","created_at":"2026-05-18T04:29:06.364049+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0702526","created_at":"2026-05-18T04:29:06.364049+00:00"},{"alias_kind":"pith_short_12","alias_value":"I64OAJDGZTES","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"I64OAJDGZTESGHO5","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"I64OAJDG","created_at":"2026-05-18T12:25:55.427421+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/I64OAJDGZTESGHO55J23KD6DKU","json":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU.json","graph_json":"https://pith.science/api/pith-number/I64OAJDGZTESGHO55J23KD6DKU/graph.json","events_json":"https://pith.science/api/pith-number/I64OAJDGZTESGHO55J23KD6DKU/events.json","paper":"https://pith.science/paper/I64OAJDG"},"agent_actions":{"view_html":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU","download_json":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU.json","view_paper":"https://pith.science/paper/I64OAJDG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0702526&json=true","fetch_graph":"https://pith.science/api/pith-number/I64OAJDGZTESGHO55J23KD6DKU/graph.json","fetch_events":"https://pith.science/api/pith-number/I64OAJDGZTESGHO55J23KD6DKU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU/action/storage_attestation","attest_author":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU/action/author_attestation","sign_citation":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU/action/citation_signature","submit_replication":"https://pith.science/pith/I64OAJDGZTESGHO55J23KD6DKU/action/replication_record"}},"created_at":"2026-05-18T04:29:06.364049+00:00","updated_at":"2026-05-18T04:29:06.364049+00:00"}