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One cluster, W30, is located in the ~500 Myr old merger remnant NGC 7252 and has a velocity dispersion and effective radius of sigma=27.5+-2.5 km/s and R_eff=9.3+-1.7 pc, respectively. The other cluster, G114, located in the ~3 Gyr old merger remnant NGC 1316, is much more compact, R_eff=4.08+-0.55 pc, and has a velocity dispersion of sigma=42.1+-2.8 km/s. These measurements allow an estimate of the virial mass of the two clusters, yielding M_dyn(W30)=1.59(+-0.26) * 10^7 Msun and M_dyn(G114)="},"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":"astro-ph/0511033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-11-01T16:25:06Z","cross_cats_sorted":[],"title_canon_sha256":"af2573e43a137201ff256967f0708a95aed1fd87ec601f133682b9628c66fb11","abstract_canon_sha256":"d1c39761fe900c51b05cd78208f1e201a78d4a19dd1773681c471536ae09cf56"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:53:01.300426Z","signature_b64":"Xk8czNrXCmqH/8E9cSJVULIDGvnXpVjnxg2lTbHyhGca7uEQAPB8z1M3ylY+Bcrc2JDAnzdvhtrobpE3Yn/ECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81f7b846afae686d3366a4dd5f4c04f701ccd85f5546e75263e4d27812d15f59","last_reissued_at":"2026-07-04T16:53:01.299906Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:53:01.299906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical Mass Estimates for Two Luminous Star Clusters in Galactic Merger Remnants","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. 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These measurements allow an estimate of the virial mass of the two clusters, yielding M_dyn(W30)=1.59(+-0.26) * 10^7 Msun and M_dyn(G114)="},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0511033","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/astro-ph/0511033/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":"astro-ph/0511033","created_at":"2026-07-04T16:53:01.299962+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0511033v1","created_at":"2026-07-04T16:53:01.299962+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0511033","created_at":"2026-07-04T16:53:01.299962+00:00"},{"alias_kind":"pith_short_12","alias_value":"QH33QRVPVZUG","created_at":"2026-07-04T16:53:01.299962+00:00"},{"alias_kind":"pith_short_16","alias_value":"QH33QRVPVZUG2M3G","created_at":"2026-07-04T16:53:01.299962+00:00"},{"alias_kind":"pith_short_8","alias_value":"QH33QRVP","created_at":"2026-07-04T16:53:01.299962+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/QH33QRVPVZUG2M3GUTOV6TAE64","json":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64.json","graph_json":"https://pith.science/api/pith-number/QH33QRVPVZUG2M3GUTOV6TAE64/graph.json","events_json":"https://pith.science/api/pith-number/QH33QRVPVZUG2M3GUTOV6TAE64/events.json","paper":"https://pith.science/paper/QH33QRVP"},"agent_actions":{"view_html":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64","download_json":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64.json","view_paper":"https://pith.science/paper/QH33QRVP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0511033&json=true","fetch_graph":"https://pith.science/api/pith-number/QH33QRVPVZUG2M3GUTOV6TAE64/graph.json","fetch_events":"https://pith.science/api/pith-number/QH33QRVPVZUG2M3GUTOV6TAE64/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64/action/storage_attestation","attest_author":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64/action/author_attestation","sign_citation":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64/action/citation_signature","submit_replication":"https://pith.science/pith/QH33QRVPVZUG2M3GUTOV6TAE64/action/replication_record"}},"created_at":"2026-07-04T16:53:01.299962+00:00","updated_at":"2026-07-04T16:53:01.299962+00:00"}