{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:FSNAVQGIVGHIWVDVUTMT3ENS5O","short_pith_number":"pith:FSNAVQGI","schema_version":"1.0","canonical_sha256":"2c9a0ac0c8a98e8b5475a4d93d91b2ebb3eca23d2c86ad9ffadd2a7755248cab","source":{"kind":"arxiv","id":"1010.1355","version":2},"attestation_state":"computed","paper":{"title":"Absolute properties of BG Ind - a bright F3 system just leaving the Main Sequence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.F. Zarnecki (for the Pi of the Sky collaboration), J. Kaluzny, K. Malek, L. Mankiewicz, M. Konacki, M. Rozyczka, M. Sokolowski, W. Pych","submitted_at":"2010-10-07T07:20:37Z","abstract_excerpt":"We present photometric and spectroscopic analysis of the bright detached eclipsing binary BG Ind. The masses of the components are found to be 1.428 +- 0.008 and 1.293 +- 0.008 Msun and the radii to be 2.290+-0.017 and 1.680+-0.038 Rsun for primary and secondary stars, respectively. Spectra- and isochrone-fitting coupled with color indices calibration yield [Fe/H]=-0.2+-0.1. At an age of 2.65+-0.20 Gyr BG Ind is well advanced in the main-sequence evolutionary phase - in fact, its primary is at TAMS or just beyond it. Together with three similar systems (BK Peg, BW Aqr and GX Gem) it offers an "},"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":"1010.1355","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-07T07:20:37Z","cross_cats_sorted":[],"title_canon_sha256":"5173925eb2576f3f4373f2b790d9d96d158e1acf9d581673f798a38ed6402781","abstract_canon_sha256":"e61f892d7aecf2cb4b0783d61ef006e026b700a7387a8035953eaccc86b5c402"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:10.140589Z","signature_b64":"laNewvmJjcLkkN2ke09AWhd0kJFiF1dBHn8xNAxM7a41EFCjy7fxSeO1CQW6F8ewRZ/eLbvppTzERBDqSuPnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c9a0ac0c8a98e8b5475a4d93d91b2ebb3eca23d2c86ad9ffadd2a7755248cab","last_reissued_at":"2026-05-18T02:05:10.139725Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:10.139725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Absolute properties of BG Ind - a bright F3 system just leaving the Main Sequence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.F. Zarnecki (for the Pi of the Sky collaboration), J. Kaluzny, K. Malek, L. Mankiewicz, M. Konacki, M. Rozyczka, M. Sokolowski, W. Pych","submitted_at":"2010-10-07T07:20:37Z","abstract_excerpt":"We present photometric and spectroscopic analysis of the bright detached eclipsing binary BG Ind. The masses of the components are found to be 1.428 +- 0.008 and 1.293 +- 0.008 Msun and the radii to be 2.290+-0.017 and 1.680+-0.038 Rsun for primary and secondary stars, respectively. Spectra- and isochrone-fitting coupled with color indices calibration yield [Fe/H]=-0.2+-0.1. At an age of 2.65+-0.20 Gyr BG Ind is well advanced in the main-sequence evolutionary phase - in fact, its primary is at TAMS or just beyond it. Together with three similar systems (BK Peg, BW Aqr and GX Gem) it offers an "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1355","kind":"arxiv","version":2},"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":"1010.1355","created_at":"2026-05-18T02:05:10.139867+00:00"},{"alias_kind":"arxiv_version","alias_value":"1010.1355v2","created_at":"2026-05-18T02:05:10.139867+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1355","created_at":"2026-05-18T02:05:10.139867+00:00"},{"alias_kind":"pith_short_12","alias_value":"FSNAVQGIVGHI","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_16","alias_value":"FSNAVQGIVGHIWVDV","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_8","alias_value":"FSNAVQGI","created_at":"2026-05-18T12:26:07.630475+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/FSNAVQGIVGHIWVDVUTMT3ENS5O","json":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O.json","graph_json":"https://pith.science/api/pith-number/FSNAVQGIVGHIWVDVUTMT3ENS5O/graph.json","events_json":"https://pith.science/api/pith-number/FSNAVQGIVGHIWVDVUTMT3ENS5O/events.json","paper":"https://pith.science/paper/FSNAVQGI"},"agent_actions":{"view_html":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O","download_json":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O.json","view_paper":"https://pith.science/paper/FSNAVQGI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1010.1355&json=true","fetch_graph":"https://pith.science/api/pith-number/FSNAVQGIVGHIWVDVUTMT3ENS5O/graph.json","fetch_events":"https://pith.science/api/pith-number/FSNAVQGIVGHIWVDVUTMT3ENS5O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O/action/storage_attestation","attest_author":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O/action/author_attestation","sign_citation":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O/action/citation_signature","submit_replication":"https://pith.science/pith/FSNAVQGIVGHIWVDVUTMT3ENS5O/action/replication_record"}},"created_at":"2026-05-18T02:05:10.139867+00:00","updated_at":"2026-05-18T02:05:10.139867+00:00"}