{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:PY3XM5ZU4RGUNZ3U3PGSXX3DD7","short_pith_number":"pith:PY3XM5ZU","schema_version":"1.0","canonical_sha256":"7e37767734e44d46e774dbcd2bdf631fd3fc265899c8ab080847fbb9e13fda4a","source":{"kind":"arxiv","id":"1410.3841","version":1},"attestation_state":"computed","paper":{"title":"NLTE effects on AGB stars in 47 Tucanae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alessio Mucciarelli (UNIBo), Barbara Lanzoni (UNIBO), Davide Massari (UNIBO), Emanuele Dalessandro (UNIBO), Emilio Lapenna (UNIBo), Francesco Rosario Ferraro (UNIBO), Livia Origlia (INAF-OABo)","submitted_at":"2014-10-14T20:05:09Z","abstract_excerpt":"We present the iron abundance of 24 asymptotic giant branch (AGB) stars members of the globular cluster 47 Tucanae, obtained with high-resolution spectra collected with the FEROS spectrograph at the MPG/ESO-2.2m Telescope. We find that the iron abundances derived from neutral lines (with mean value [Fe I/H] = -0.94 +/- 0.01, {\\sigma} = 0.08 dex) are systematically lower than those derived from single ionized lines ([Fe II/H] = -0.83 +/- 0.01, {\\sigma} = 0.05 dex). Only the latter are in agreement with those obtained for a sample of red giant branch (RGB) cluster stars, for which Fe I and Fe II"},"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":"1410.3841","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-14T20:05:09Z","cross_cats_sorted":[],"title_canon_sha256":"ec578073006f877bc29a69d59e0dbc54b041eea1603e8a193a6cc2f5cd2cc1ac","abstract_canon_sha256":"7aa52f4dce3419d61e99b1f19e9996d2137dab7b3ae0db5dd6b3494d7fa5e040"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:03.752994Z","signature_b64":"j6LQxBjDaXgn4kU0fcPAT8xaFYJ5VAlcVWGl+153RKrcEMV5gp3e74NQs3s7J6xgOm/ptpWPC1hbQXnGcIKCAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e37767734e44d46e774dbcd2bdf631fd3fc265899c8ab080847fbb9e13fda4a","last_reissued_at":"2026-05-18T02:40:03.752483Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:03.752483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"NLTE effects on AGB stars in 47 Tucanae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alessio Mucciarelli (UNIBo), Barbara Lanzoni (UNIBO), Davide Massari (UNIBO), Emanuele Dalessandro (UNIBO), Emilio Lapenna (UNIBo), Francesco Rosario Ferraro (UNIBO), Livia Origlia (INAF-OABo)","submitted_at":"2014-10-14T20:05:09Z","abstract_excerpt":"We present the iron abundance of 24 asymptotic giant branch (AGB) stars members of the globular cluster 47 Tucanae, obtained with high-resolution spectra collected with the FEROS spectrograph at the MPG/ESO-2.2m Telescope. We find that the iron abundances derived from neutral lines (with mean value [Fe I/H] = -0.94 +/- 0.01, {\\sigma} = 0.08 dex) are systematically lower than those derived from single ionized lines ([Fe II/H] = -0.83 +/- 0.01, {\\sigma} = 0.05 dex). Only the latter are in agreement with those obtained for a sample of red giant branch (RGB) cluster stars, for which Fe I and Fe II"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3841","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":"1410.3841","created_at":"2026-05-18T02:40:03.752592+00:00"},{"alias_kind":"arxiv_version","alias_value":"1410.3841v1","created_at":"2026-05-18T02:40:03.752592+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3841","created_at":"2026-05-18T02:40:03.752592+00:00"},{"alias_kind":"pith_short_12","alias_value":"PY3XM5ZU4RGU","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_16","alias_value":"PY3XM5ZU4RGUNZ3U","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_8","alias_value":"PY3XM5ZU","created_at":"2026-05-18T12:28:43.426989+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/PY3XM5ZU4RGUNZ3U3PGSXX3DD7","json":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7.json","graph_json":"https://pith.science/api/pith-number/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/graph.json","events_json":"https://pith.science/api/pith-number/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/events.json","paper":"https://pith.science/paper/PY3XM5ZU"},"agent_actions":{"view_html":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7","download_json":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7.json","view_paper":"https://pith.science/paper/PY3XM5ZU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1410.3841&json=true","fetch_graph":"https://pith.science/api/pith-number/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/graph.json","fetch_events":"https://pith.science/api/pith-number/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/action/storage_attestation","attest_author":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/action/author_attestation","sign_citation":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/action/citation_signature","submit_replication":"https://pith.science/pith/PY3XM5ZU4RGUNZ3U3PGSXX3DD7/action/replication_record"}},"created_at":"2026-05-18T02:40:03.752592+00:00","updated_at":"2026-05-18T02:40:03.752592+00:00"}