{"public_id":"cl_2617c6380c349065850054ab082737ea","status":"active","superseded_by_public_id":null,"corpus_id":120826161,"text":"Stars with initial masses > 30 M_sun evolve to a Wolf-Rayet phase in the LMC; for the SMC the limit is possibly higher, around 50 M_sun, in qualitative agreement with modern evolutionary calculations.","confidence":0.85,"paper":{"corpus_id":120826161,"title":"Massive stars in the field and associations of the magellanic clouds: The upper mass limit, the initial mass function, and a critical test of main-sequence stellar evolutionary theory","url":"https://sah.borca.ai/papers/120826161"},"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.85,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_041b0a819e3c98ceb2216c93effede12","name":"LMC","description":"The Large Magellanic Cloud, one of the two Magellanic Clouds studied.","types":["galaxy"],"url":"https://sah.borca.ai/concepts/co_041b0a819e3c98ceb2216c93effede12"},{"public_id":"co_2855903d5d97f3e1547eb78d0d40928f","name":"SMC","description":"The Small Magellanic Cloud, one of the two Magellanic Clouds studied.","types":["galaxy"],"url":"https://sah.borca.ai/concepts/co_2855903d5d97f3e1547eb78d0d40928f"},{"public_id":"co_cd61efd90047f3c8fe86b0f43c67bd4b","name":"Wolf-Rayet stars","description":"Massive evolved stars that have lost their hydrogen envelopes; the paper uses field main-sequence and Wolf-Rayet star counts to determine progenitor mass limits.","types":["stellar type"],"url":"https://sah.borca.ai/concepts/co_cd61efd90047f3c8fe86b0f43c67bd4b"},{"public_id":"co_cd89a01121b608a672e403a7078c3529","name":"progenitor mass limit","description":"The minimum initial mass above which stars evolve to a Wolf-Rayet phase, found to be >30 M_sun for the LMC and possibly ~50 M_sun for the SMC.","types":["threshold"],"url":"https://sah.borca.ai/concepts/co_cd89a01121b608a672e403a7078c3529"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_2617c6380c349065850054ab082737ea"}