{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:TRW7DQIORCLVEQD2LKXYKSEBS5","short_pith_number":"pith:TRW7DQIO","schema_version":"1.0","canonical_sha256":"9c6df1c10e889752407a5aaf85488197708e5c9639426df5e2f589b93332d961","source":{"kind":"arxiv","id":"1912.06853","version":1},"attestation_state":"computed","paper":{"title":"The Tarantula Massive Binary Monitoring. IV. Double-lined photometric binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. de Koter, A. F. J. Moffat, C. J. Evans, F. R. N. Schneider, F. Tramper, H. Sana, J. S. Clark, L. A. Almeida, L. Mahy, N. J. Grin, N.Langer, S. E. de Mink, T. Shenar","submitted_at":"2019-12-14T14:21:55Z","abstract_excerpt":"A high fraction of massive stars are found to be binaries but only a few of them are reported as photometrically variable. By studying the populations of SB2 in the 30 Doradus region, we found a subset of them that have photometry from the OGLE project and that display variations in their light curves related to orbital motions. The goal of this study is to determine the dynamical masses and radii of the 26 binary components to investigate the mass-discrepancy problem and to provide an empirical mass-luminosity relation for the LMC. We use the PHOEBE programme to perform a systematic analysis "},"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":"1912.06853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-12-14T14:21:55Z","cross_cats_sorted":[],"title_canon_sha256":"e25aa150b3ec9b5a0692149f4bd264e596043970c7cdd3b39af4816e0d240b9a","abstract_canon_sha256":"6646cf0aba8e34d7578ae0673f55069dda34841bcc6d98eaac8404e95c1d4df4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:41:51.584626Z","signature_b64":"SjLvp576IZqAXPijp5aq3XXnkRynjzbOYNSY7ZzZqLEgRXdcSxGtdlEOs/IpWsp4bfw5uM+s69oKEE4UjOTsBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c6df1c10e889752407a5aaf85488197708e5c9639426df5e2f589b93332d961","last_reissued_at":"2026-07-05T00:41:51.584152Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:41:51.584152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Tarantula Massive Binary Monitoring. IV. Double-lined photometric binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. de Koter, A. F. J. Moffat, C. J. Evans, F. R. N. Schneider, F. Tramper, H. Sana, J. S. Clark, L. A. Almeida, L. Mahy, N. J. Grin, N.Langer, S. E. de Mink, T. Shenar","submitted_at":"2019-12-14T14:21:55Z","abstract_excerpt":"A high fraction of massive stars are found to be binaries but only a few of them are reported as photometrically variable. By studying the populations of SB2 in the 30 Doradus region, we found a subset of them that have photometry from the OGLE project and that display variations in their light curves related to orbital motions. The goal of this study is to determine the dynamical masses and radii of the 26 binary components to investigate the mass-discrepancy problem and to provide an empirical mass-luminosity relation for the LMC. We use the PHOEBE programme to perform a systematic analysis "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.06853","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/1912.06853/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":"1912.06853","created_at":"2026-07-05T00:41:51.584210+00:00"},{"alias_kind":"arxiv_version","alias_value":"1912.06853v1","created_at":"2026-07-05T00:41:51.584210+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.06853","created_at":"2026-07-05T00:41:51.584210+00:00"},{"alias_kind":"pith_short_12","alias_value":"TRW7DQIORCLV","created_at":"2026-07-05T00:41:51.584210+00:00"},{"alias_kind":"pith_short_16","alias_value":"TRW7DQIORCLVEQD2","created_at":"2026-07-05T00:41:51.584210+00:00"},{"alias_kind":"pith_short_8","alias_value":"TRW7DQIO","created_at":"2026-07-05T00:41:51.584210+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/TRW7DQIORCLVEQD2LKXYKSEBS5","json":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5.json","graph_json":"https://pith.science/api/pith-number/TRW7DQIORCLVEQD2LKXYKSEBS5/graph.json","events_json":"https://pith.science/api/pith-number/TRW7DQIORCLVEQD2LKXYKSEBS5/events.json","paper":"https://pith.science/paper/TRW7DQIO"},"agent_actions":{"view_html":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5","download_json":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5.json","view_paper":"https://pith.science/paper/TRW7DQIO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1912.06853&json=true","fetch_graph":"https://pith.science/api/pith-number/TRW7DQIORCLVEQD2LKXYKSEBS5/graph.json","fetch_events":"https://pith.science/api/pith-number/TRW7DQIORCLVEQD2LKXYKSEBS5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5/action/storage_attestation","attest_author":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5/action/author_attestation","sign_citation":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5/action/citation_signature","submit_replication":"https://pith.science/pith/TRW7DQIORCLVEQD2LKXYKSEBS5/action/replication_record"}},"created_at":"2026-07-05T00:41:51.584210+00:00","updated_at":"2026-07-05T00:41:51.584210+00:00"}