{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:OIG3XGRL7EIWOXYGLEMVX3VBKN","short_pith_number":"pith:OIG3XGRL","schema_version":"1.0","canonical_sha256":"720dbb9a2bf911675f0659195beea1537f9576d1221374e547ca2183ca3227a5","source":{"kind":"arxiv","id":"0906.1590","version":1},"attestation_state":"computed","paper":{"title":"The Effect of Stellar Rotation on Colour-Magnitude Diagrams: On the apparent presence of multiple populations in intermediate age stellar clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Cambridge), Nate Bastian (IoA, Selma de Mink (Utrecht)","submitted_at":"2009-06-09T11:59:50Z","abstract_excerpt":"A significant number of intermediate age clusters (1-2 Gyr) in the Magellanic Clouds appear to have multiple stellar populations within them, derived from bi-modal or extended main sequence turn offs. If this is interpreted as an age spread, the multiple populations are separated by a few hundred Myr, which would call into question the long held notion that clusters are simple stellar populations. Here we show that stellar rotation in stars with masses between 1.2-1.7 Msun can mimic the effect of a double or multiple population, whereas in actuality only a single population exists. The two mai"},"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":"0906.1590","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-09T11:59:50Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"37b566bf407a092cb862723c090cadd05dd9370876ce8d8631df7f046328baf1","abstract_canon_sha256":"9527c622c29afeee2d92a8b02e01a72bef191304237b73a09b918820d6fffb5f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:21.447246Z","signature_b64":"yU68L2pxvOnNrMIvypei3zROctjyYGb5Z/W1Eoii6ZEySP4WEx8K6StsHYVQD5BS6soLXoWJvj94h0sea8bRBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"720dbb9a2bf911675f0659195beea1537f9576d1221374e547ca2183ca3227a5","last_reissued_at":"2026-05-18T02:13:21.446686Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:21.446686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Effect of Stellar Rotation on Colour-Magnitude Diagrams: On the apparent presence of multiple populations in intermediate age stellar clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Cambridge), Nate Bastian (IoA, Selma de Mink (Utrecht)","submitted_at":"2009-06-09T11:59:50Z","abstract_excerpt":"A significant number of intermediate age clusters (1-2 Gyr) in the Magellanic Clouds appear to have multiple stellar populations within them, derived from bi-modal or extended main sequence turn offs. If this is interpreted as an age spread, the multiple populations are separated by a few hundred Myr, which would call into question the long held notion that clusters are simple stellar populations. Here we show that stellar rotation in stars with masses between 1.2-1.7 Msun can mimic the effect of a double or multiple population, whereas in actuality only a single population exists. The two mai"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1590","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":""},"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":"0906.1590","created_at":"2026-05-18T02:13:21.446766+00:00"},{"alias_kind":"arxiv_version","alias_value":"0906.1590v1","created_at":"2026-05-18T02:13:21.446766+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1590","created_at":"2026-05-18T02:13:21.446766+00:00"},{"alias_kind":"pith_short_12","alias_value":"OIG3XGRL7EIW","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"OIG3XGRL7EIWOXYG","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"OIG3XGRL","created_at":"2026-05-18T12:26:01.383474+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/OIG3XGRL7EIWOXYGLEMVX3VBKN","json":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN.json","graph_json":"https://pith.science/api/pith-number/OIG3XGRL7EIWOXYGLEMVX3VBKN/graph.json","events_json":"https://pith.science/api/pith-number/OIG3XGRL7EIWOXYGLEMVX3VBKN/events.json","paper":"https://pith.science/paper/OIG3XGRL"},"agent_actions":{"view_html":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN","download_json":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN.json","view_paper":"https://pith.science/paper/OIG3XGRL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0906.1590&json=true","fetch_graph":"https://pith.science/api/pith-number/OIG3XGRL7EIWOXYGLEMVX3VBKN/graph.json","fetch_events":"https://pith.science/api/pith-number/OIG3XGRL7EIWOXYGLEMVX3VBKN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN/action/storage_attestation","attest_author":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN/action/author_attestation","sign_citation":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN/action/citation_signature","submit_replication":"https://pith.science/pith/OIG3XGRL7EIWOXYGLEMVX3VBKN/action/replication_record"}},"created_at":"2026-05-18T02:13:21.446766+00:00","updated_at":"2026-05-18T02:13:21.446766+00:00"}