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New times of minima ... indicate the presence of a low mass star ∼0.3 M⊙ in an orbit separated by a few AU from the close binary.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That reliable physical parameters can be extracted despite only shallow eclipses and sinusoidal light variations that are merely suggestive of a near-contact configuration, as stated in the abstract.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"V486 Car is a near-contact binary with component masses 2.1 and 0.4 solar masses, radii 3.2 and 1.48 solar radii, temperatures 10000 K and 6200 K, plus evidence for a ~0.3 solar mass companion at a few AU.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"V486 Car is a near-contact binary with masses 2.1 and 0.4 solar masses plus a possible 0.3 solar-mass companion a few AU away.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"9c92dd155dd92f04daa8979c7c498068c1ccff69aef95371086dbbca91d5ca03"},"source":{"id":"2605.14208","kind":"arxiv","version":1},"verdict":{"id":"50b1b3b2-44ee-4142-bed2-739b73d4f08e","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T02:52:51.627705Z","strongest_claim":"We find: M1 = 2.1 ± 0.1, M2 = 0.4 ± 0.1; R1 = 3.20 ± 0.02, R2 = 1.48 ± 0.01; (⊙); Te1 = 10000 ± 500, Te2 = 6200 ± 200 (K); distance = 162 ± 12 (pc). New times of minima ... indicate the presence of a low mass star ∼0.3 M⊙ in an orbit separated by a few AU from the close binary.","one_line_summary":"V486 Car is a near-contact binary with component masses 2.1 and 0.4 solar masses, radii 3.2 and 1.48 solar radii, temperatures 10000 K and 6200 K, plus evidence for a ~0.3 solar mass companion at a few AU.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That reliable physical parameters can be extracted despite only shallow eclipses and sinusoidal light variations that are merely suggestive of a near-contact configuration, as stated in the abstract.","pith_extraction_headline":"V486 Car is a near-contact binary with masses 2.1 and 0.4 solar masses plus a possible 0.3 solar-mass companion a few AU away."},"references":{"count":96,"sample":[{"doi":"","year":null,"title":"Data reduction and error analysis for the physical sciences","work_id":"2a1f8768-b6f3-4980-bc86-18d8c90aff0b","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2002,"title":"American Astronomical Society Meeting Abstracts , year = 2002, series =","work_id":"637ac893-5c9a-464d-b829-da6a9e650bda","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2022,"title":"A Guide to Close Binary Systems , author=. 2022 , publisher=","work_id":"2806290b-387e-4867-82fa-7e526fed8233","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2007,"title":"Introduction to Astronomical Photometry , author=. 2007 , publisher=","work_id":"22b5ab96-58cb-4c6a-8345-a614a9e7e9a5","ref_index":6,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"Ellipsoidal figures of equilibrium","work_id":"73ac9b1c-cb5a-4433-ae43-5aed7b53abf9","ref_index":8,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":96,"snapshot_sha256":"251f64ea7e39a51752f329e84d3d99893fe807bc3aac1d8f1db014c2893e8d70","internal_anchors":3},"formal_canon":{"evidence_count":2,"snapshot_sha256":"e84266a4efa5b7a5c98af9b390373b8e26d3c0b60d469b61a94bdca275043554"},"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":"2605.14208","created_at":"2026-05-17T23:39:10.957838+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.14208v1","created_at":"2026-05-17T23:39:10.957838+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14208","created_at":"2026-05-17T23:39:10.957838+00:00"},{"alias_kind":"pith_short_12","alias_value":"QDWL55XGSLT2","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_16","alias_value":"QDWL55XGSLT2ZVBP","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_8","alias_value":"QDWL55XG","created_at":"2026-05-18T12:33:37.589309+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":2,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V","json":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V.json","graph_json":"https://pith.science/api/pith-number/QDWL55XGSLT2ZVBPQXYA2S2I7V/graph.json","events_json":"https://pith.science/api/pith-number/QDWL55XGSLT2ZVBPQXYA2S2I7V/events.json","paper":"https://pith.science/paper/QDWL55XG"},"agent_actions":{"view_html":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V","download_json":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V.json","view_paper":"https://pith.science/paper/QDWL55XG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.14208&json=true","fetch_graph":"https://pith.science/api/pith-number/QDWL55XGSLT2ZVBPQXYA2S2I7V/graph.json","fetch_events":"https://pith.science/api/pith-number/QDWL55XGSLT2ZVBPQXYA2S2I7V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V/action/storage_attestation","attest_author":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V/action/author_attestation","sign_citation":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V/action/citation_signature","submit_replication":"https://pith.science/pith/QDWL55XGSLT2ZVBPQXYA2S2I7V/action/replication_record"}},"created_at":"2026-05-17T23:39:10.957838+00:00","updated_at":"2026-05-17T23:39:10.957838+00:00"}