{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OVRGSZUN7BH5LQWGA2XU6QOHLW","short_pith_number":"pith:OVRGSZUN","schema_version":"1.0","canonical_sha256":"756269668df84fd5c2c606af4f41c75db6bd20020d75ad60db005299e60bef84","source":{"kind":"arxiv","id":"1901.00005","version":2},"attestation_state":"computed","paper":{"title":"An Extreme Amplitude, Massive Heartbeat System in the LMC Characterized Using ASAS-SN and TESS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. J. Shappee, C. S. Kochanek, K. Z. Stanek, M. Fausnaugh, T. Jayasinghe, Todd A. Thompson","submitted_at":"2018-12-31T19:00:00Z","abstract_excerpt":"Using ASAS-SN data, we find that the bright ($V{\\sim}13.5$ mag) variable star MACHO 80.7443.1718 (ASASSN-V J052624.38-684705.6) is the most extreme heartbeat star yet discovered. This massive binary, consisting of at least one early B-type star, has an orbital period of $P_{\\rm ASAS-SN}=32.83627\\pm0.00846\\,{\\rm d},$ and is located towards the LH58 OB complex in the LMC. Both the ASAS-SN and TESS light curves show extreme brightness variations of ${\\sim}40\\%$ at periastron and variations of ${\\sim}10\\%$ due to tidally excited oscillations outside periastron. We fit an analytical model of the va"},"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":"1901.00005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-12-31T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"acbfa3438a854ba39ddd26629fe321eb614de96473db2234703d69d8f667ea9b","abstract_canon_sha256":"39a40e253af7b30b0ec32861a6af7c5a99863bef1dcb5d668bff98dce3ac5dd2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:17:06.775233Z","signature_b64":"0/UX6bTd1Yiq4JHCt8yAXP7dKrkinbNF5k19XXXlsCze1s57W2NZIjrKgFfiLAVhgrakXV1n5Z2snZs53/++Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"756269668df84fd5c2c606af4f41c75db6bd20020d75ad60db005299e60bef84","last_reissued_at":"2026-07-05T02:17:06.774733Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:17:06.774733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Extreme Amplitude, Massive Heartbeat System in the LMC Characterized Using ASAS-SN and TESS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. J. Shappee, C. S. Kochanek, K. Z. Stanek, M. Fausnaugh, T. Jayasinghe, Todd A. Thompson","submitted_at":"2018-12-31T19:00:00Z","abstract_excerpt":"Using ASAS-SN data, we find that the bright ($V{\\sim}13.5$ mag) variable star MACHO 80.7443.1718 (ASASSN-V J052624.38-684705.6) is the most extreme heartbeat star yet discovered. This massive binary, consisting of at least one early B-type star, has an orbital period of $P_{\\rm ASAS-SN}=32.83627\\pm0.00846\\,{\\rm d},$ and is located towards the LH58 OB complex in the LMC. Both the ASAS-SN and TESS light curves show extreme brightness variations of ${\\sim}40\\%$ at periastron and variations of ${\\sim}10\\%$ due to tidally excited oscillations outside periastron. We fit an analytical model of the va"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00005","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1901.00005/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":"1901.00005","created_at":"2026-07-05T02:17:06.774792+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.00005v2","created_at":"2026-07-05T02:17:06.774792+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00005","created_at":"2026-07-05T02:17:06.774792+00:00"},{"alias_kind":"pith_short_12","alias_value":"OVRGSZUN7BH5","created_at":"2026-07-05T02:17:06.774792+00:00"},{"alias_kind":"pith_short_16","alias_value":"OVRGSZUN7BH5LQWG","created_at":"2026-07-05T02:17:06.774792+00:00"},{"alias_kind":"pith_short_8","alias_value":"OVRGSZUN","created_at":"2026-07-05T02:17:06.774792+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"1906.09251","citing_title":"$\\varepsilon$ Lupi: measuring the heartbeat of a doubly-magnetic massive binary with BRITE-Constellation","ref_index":29,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW","json":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW.json","graph_json":"https://pith.science/api/pith-number/OVRGSZUN7BH5LQWGA2XU6QOHLW/graph.json","events_json":"https://pith.science/api/pith-number/OVRGSZUN7BH5LQWGA2XU6QOHLW/events.json","paper":"https://pith.science/paper/OVRGSZUN"},"agent_actions":{"view_html":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW","download_json":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW.json","view_paper":"https://pith.science/paper/OVRGSZUN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.00005&json=true","fetch_graph":"https://pith.science/api/pith-number/OVRGSZUN7BH5LQWGA2XU6QOHLW/graph.json","fetch_events":"https://pith.science/api/pith-number/OVRGSZUN7BH5LQWGA2XU6QOHLW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW/action/storage_attestation","attest_author":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW/action/author_attestation","sign_citation":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW/action/citation_signature","submit_replication":"https://pith.science/pith/OVRGSZUN7BH5LQWGA2XU6QOHLW/action/replication_record"}},"created_at":"2026-07-05T02:17:06.774792+00:00","updated_at":"2026-07-05T02:17:06.774792+00:00"}