{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:LGJ6M2HGWVVNMIMNATIGYO5QG2","short_pith_number":"pith:LGJ6M2HG","schema_version":"1.0","canonical_sha256":"5993e668e6b56ad6218d04d06c3bb036a39d9c87b16f389fde85797cd0432bf1","source":{"kind":"arxiv","id":"1504.02484","version":2},"attestation_state":"computed","paper":{"title":"The Gaia-ESO Survey: N-body modelling of the Gamma Velorum cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. C. Lanzafame, A. Frasca, A. Hourihane, A. Vallenari, C. C. Worley, C. Lardo, E. Flaccomio, E. Gavagnin, E. J. Alfaro, E. Pancino, F. Damiani, G. G. Sacco, G. Micela, L. Magrini, L. Morbidelli, L. Prisinzano, M. Bergemann, M. Costado, M. Mapelli, M. R. Meyer, R. D. Jeffries, R. Sordo, S. Randich, S. Zaggia, T. Cantat-Gaudin","submitted_at":"2015-04-09T20:01:45Z","abstract_excerpt":"The Gaia-ESO Survey has recently unveiled the complex kinematic signature of the Gamma Velorum cluster: this cluster is composed of two kinematically distinct populations (hereafter, population A and B), showing two different velocity dispersions and a relative ~2 km s^-1 radial velocity (RV) shift. In this paper, we propose that the two populations of the Gamma Velorum cluster originate from two different sub-clusters, born from the same parent molecular cloud. We investigate this possibility by means of direct-summation N-body simulations. Our scenario is able to reproduce not only the RV sh"},"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":"1504.02484","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-09T20:01:45Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"25f4881190866bd1c81b6175f25c4a0f1662c001ed88be2e5700ab790224ac1c","abstract_canon_sha256":"2a637fa669ea1973c7fcd0af29c9535408ca9b3f9e954c1e01e4547acc98b866"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:34.892332Z","signature_b64":"7qQrPyRIZE0u6Y5lX67qusvPA69lrzX3/RBrirqRodWze/Nkts379dLMBgBuD8VIYTaPm1zdF9XaO8XspIqcDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5993e668e6b56ad6218d04d06c3bb036a39d9c87b16f389fde85797cd0432bf1","last_reissued_at":"2026-05-18T01:59:34.891865Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:34.891865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Gaia-ESO Survey: N-body modelling of the Gamma Velorum cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. C. Lanzafame, A. Frasca, A. Hourihane, A. Vallenari, C. C. Worley, C. Lardo, E. Flaccomio, E. Gavagnin, E. J. Alfaro, E. Pancino, F. Damiani, G. G. Sacco, G. Micela, L. Magrini, L. Morbidelli, L. Prisinzano, M. Bergemann, M. Costado, M. Mapelli, M. R. Meyer, R. D. Jeffries, R. Sordo, S. Randich, S. Zaggia, T. Cantat-Gaudin","submitted_at":"2015-04-09T20:01:45Z","abstract_excerpt":"The Gaia-ESO Survey has recently unveiled the complex kinematic signature of the Gamma Velorum cluster: this cluster is composed of two kinematically distinct populations (hereafter, population A and B), showing two different velocity dispersions and a relative ~2 km s^-1 radial velocity (RV) shift. In this paper, we propose that the two populations of the Gamma Velorum cluster originate from two different sub-clusters, born from the same parent molecular cloud. We investigate this possibility by means of direct-summation N-body simulations. Our scenario is able to reproduce not only the RV sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02484","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":""},"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":"1504.02484","created_at":"2026-05-18T01:59:34.891937+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.02484v2","created_at":"2026-05-18T01:59:34.891937+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02484","created_at":"2026-05-18T01:59:34.891937+00:00"},{"alias_kind":"pith_short_12","alias_value":"LGJ6M2HGWVVN","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_16","alias_value":"LGJ6M2HGWVVNMIMN","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_8","alias_value":"LGJ6M2HG","created_at":"2026-05-18T12:29:29.992203+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/LGJ6M2HGWVVNMIMNATIGYO5QG2","json":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2.json","graph_json":"https://pith.science/api/pith-number/LGJ6M2HGWVVNMIMNATIGYO5QG2/graph.json","events_json":"https://pith.science/api/pith-number/LGJ6M2HGWVVNMIMNATIGYO5QG2/events.json","paper":"https://pith.science/paper/LGJ6M2HG"},"agent_actions":{"view_html":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2","download_json":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2.json","view_paper":"https://pith.science/paper/LGJ6M2HG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.02484&json=true","fetch_graph":"https://pith.science/api/pith-number/LGJ6M2HGWVVNMIMNATIGYO5QG2/graph.json","fetch_events":"https://pith.science/api/pith-number/LGJ6M2HGWVVNMIMNATIGYO5QG2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2/action/storage_attestation","attest_author":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2/action/author_attestation","sign_citation":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2/action/citation_signature","submit_replication":"https://pith.science/pith/LGJ6M2HGWVVNMIMNATIGYO5QG2/action/replication_record"}},"created_at":"2026-05-18T01:59:34.891937+00:00","updated_at":"2026-05-18T01:59:34.891937+00:00"}