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Graham","submitted_at":"2014-12-18T04:04:06Z","abstract_excerpt":"There is a growing array of supermassive black hole and nuclear star cluster scaling relations with their host spheroid, including a bent (black hole mass)-(host spheroid mass) M_bh-M_sph relation and different (massive compact object mass)-(host spheroid velocity dispersion) M_mco-sigma relations for black holes and nuclear star clusters. By combining the observed M_bh ~ sigma^(5.5) relation with the observed M_nc ~ sigma^(1.6--2.7) relation, we derive the expression M_bh ~ (M_nc)^(2--3.4), which should hold until the nuclear star clusters are eventually destroyed in the larger core-Sersic sp"},"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":"1412.5715","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-18T04:04:06Z","cross_cats_sorted":[],"title_canon_sha256":"5801af9c07c2c89109250b774d258a0460b246cc0682f272a94ff6c30d833e64","abstract_canon_sha256":"967f86474a55c028aa6fdbfb212b97d699b06080eab49f013600d05cc97dcde2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:37.060054Z","signature_b64":"IvswRjiqlqrCAAKRWzsC+RlvuFDn/kZCWyMXEwbBl7uYi7boKtt+loxxwPm4mzGsFrEG7PBS1WYk3pjIPCoICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c03b8ba55ed468325a1602b3fb9d8ed43ad3a6bd15b30f363d8a1ce2a24c1a03","last_reissued_at":"2026-05-18T00:37:37.059436Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:37.059436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Black hole and nuclear cluster scaling relations: M_bh ~ M_nc^{2.7+/-0.7}","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alister W. 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