{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:K6DJSPXC4QWSOO3CO4URFCYJEC","short_pith_number":"pith:K6DJSPXC","schema_version":"1.0","canonical_sha256":"5786993ee2e42d273b627729128b0920be318e8acd918be2552968e530ef887a","source":{"kind":"arxiv","id":"1405.7758","version":2},"attestation_state":"computed","paper":{"title":"The Brightest Cluster Galaxy in Abell 85: The Largest Core Known so far","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. A\\~norve, D.M. Worrall, H.J. Ibarra-Medel, J.P. Torres-Papaqui, M. Birkinshaw, O. L\\'opez-Cruz, V. Motta, W.A. Barkhouse","submitted_at":"2014-05-30T01:25:06Z","abstract_excerpt":"We have found that the brightest cluster galaxy (BCG) in Abell~85, Holm 15A, displays the largest core so far known. Its cusp radius, $r_{\\gamma} = 4.57 \\pm 0.06$ kpc ($4.26^{\\prime\\prime}\\pm 0.06^{\\prime\\prime}$), is more than 18 times larger than the mean for BCGs, and $\\geq1$ kpc larger than A2261-BCG, hitherto the largest-cored BCG (Postman, Lauer, Donahue, et al. 2012) Holm 15A hosts the luminous amorphous radio source 0039-095B and has the optical signature of a LINER. Scaling laws indicate that this core could host a supermassive black hole (SMBH) of mass $M_{\\bullet}\\thicksim (10^{9}-1"},"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":"1405.7758","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-30T01:25:06Z","cross_cats_sorted":[],"title_canon_sha256":"4d94c35da03ce9b2dc3642692d31d8407355a90606322b120c5c0f3113f16813","abstract_canon_sha256":"a1793875b0aebee975aa27f806ce27ef4b93ba00cbc4eacc94414fa70c5f3c13"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:04.743515Z","signature_b64":"FdCNEUqc3cWx1fNodcSuirZPXPRPFNREW15qeYpxCZhl9W3741uzLEJjfApwFKrYX2Hl2pUsx0z1aeS33Aa9DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5786993ee2e42d273b627729128b0920be318e8acd918be2552968e530ef887a","last_reissued_at":"2026-05-18T01:43:04.743119Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:04.743119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Brightest Cluster Galaxy in Abell 85: The Largest Core Known so far","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. A\\~norve, D.M. Worrall, H.J. Ibarra-Medel, J.P. Torres-Papaqui, M. Birkinshaw, O. L\\'opez-Cruz, V. Motta, W.A. Barkhouse","submitted_at":"2014-05-30T01:25:06Z","abstract_excerpt":"We have found that the brightest cluster galaxy (BCG) in Abell~85, Holm 15A, displays the largest core so far known. Its cusp radius, $r_{\\gamma} = 4.57 \\pm 0.06$ kpc ($4.26^{\\prime\\prime}\\pm 0.06^{\\prime\\prime}$), is more than 18 times larger than the mean for BCGs, and $\\geq1$ kpc larger than A2261-BCG, hitherto the largest-cored BCG (Postman, Lauer, Donahue, et al. 2012) Holm 15A hosts the luminous amorphous radio source 0039-095B and has the optical signature of a LINER. 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