{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:XCEIZRQE4L37UZBSHVGXYLPSHC","short_pith_number":"pith:XCEIZRQE","schema_version":"1.0","canonical_sha256":"b8888cc604e2f7fa64323d4d7c2df2388d91cf89aa60907975c0aa174a8728a8","source":{"kind":"arxiv","id":"astro-ph/0703657","version":2},"attestation_state":"computed","paper":{"title":"Lenticular Galaxy Formation - Possible Luminosity Dependence","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ajit Kembhavi (1), Astrophysics (IUCAA), C.D. Ravikumar (3), Kerala-India; 4- Instituto Nacional de Astrofisica, Optica y Electronica, Princeton; 3- Department of Physics, Princeton University, Puebla-Mexico), Pune-India; 2- Department of Astrophysical Sciences, Sudhanshu Barway (1), University of Calicut, Y. D. Mayya (4)(1- Inter University center for Astronomy, Yogesh Wadadekar (2)","submitted_at":"2007-03-26T17:55:47Z","abstract_excerpt":"We investigate the correlation between the bulge effective radius (r_e) and disk scale length (r_d), in the near-infrared K band for lenticular galaxies in the field and in clusters. We find markedly different relations between the two parameters as a function of luminosity. Lenticulars with total absolute magnitude fainter than M_T = -24.5 show a positive correlation, in line with predictions of secular formation processes for the pseudo bulges of late-type disk galaxies. But brighter lenticulars with M_T < -24.5 show an anti-correlation, indicating that they formed through a different mechan"},"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/0703657","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-26T17:55:47Z","cross_cats_sorted":[],"title_canon_sha256":"4494f41bc9ecfffe305e59db977c068031716aff1b5908b298e5973c01637fc0","abstract_canon_sha256":"688ce40541754e68ad9019a64760e21a48b362b58d2aecea6aa84149f764851a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:07:49.639974Z","signature_b64":"IpOmzkqORzrRTxRUp5CDSOcFv2dSWQhQ0gbRZvQlxoYnJ7UNFsRHmz9gz0dvRq2Pw4NPyrAOZhVLN2O7yuesDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8888cc604e2f7fa64323d4d7c2df2388d91cf89aa60907975c0aa174a8728a8","last_reissued_at":"2026-07-04T17:07:49.639493Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:07:49.639493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lenticular Galaxy Formation - Possible Luminosity Dependence","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ajit Kembhavi (1), Astrophysics (IUCAA), C.D. Ravikumar (3), Kerala-India; 4- Instituto Nacional de Astrofisica, Optica y Electronica, Princeton; 3- Department of Physics, Princeton University, Puebla-Mexico), Pune-India; 2- Department of Astrophysical Sciences, Sudhanshu Barway (1), University of Calicut, Y. D. Mayya (4)(1- Inter University center for Astronomy, Yogesh Wadadekar (2)","submitted_at":"2007-03-26T17:55:47Z","abstract_excerpt":"We investigate the correlation between the bulge effective radius (r_e) and disk scale length (r_d), in the near-infrared K band for lenticular galaxies in the field and in clusters. We find markedly different relations between the two parameters as a function of luminosity. Lenticulars with total absolute magnitude fainter than M_T = -24.5 show a positive correlation, in line with predictions of secular formation processes for the pseudo bulges of late-type disk galaxies. But brighter lenticulars with M_T < -24.5 show an anti-correlation, indicating that they formed through a different mechan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0703657","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0703657/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/0703657","created_at":"2026-07-04T17:07:49.639550+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0703657v2","created_at":"2026-07-04T17:07:49.639550+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0703657","created_at":"2026-07-04T17:07:49.639550+00:00"},{"alias_kind":"pith_short_12","alias_value":"XCEIZRQE4L37","created_at":"2026-07-04T17:07:49.639550+00:00"},{"alias_kind":"pith_short_16","alias_value":"XCEIZRQE4L37UZBS","created_at":"2026-07-04T17:07:49.639550+00:00"},{"alias_kind":"pith_short_8","alias_value":"XCEIZRQE","created_at":"2026-07-04T17:07:49.639550+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/XCEIZRQE4L37UZBSHVGXYLPSHC","json":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC.json","graph_json":"https://pith.science/api/pith-number/XCEIZRQE4L37UZBSHVGXYLPSHC/graph.json","events_json":"https://pith.science/api/pith-number/XCEIZRQE4L37UZBSHVGXYLPSHC/events.json","paper":"https://pith.science/paper/XCEIZRQE"},"agent_actions":{"view_html":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC","download_json":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC.json","view_paper":"https://pith.science/paper/XCEIZRQE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0703657&json=true","fetch_graph":"https://pith.science/api/pith-number/XCEIZRQE4L37UZBSHVGXYLPSHC/graph.json","fetch_events":"https://pith.science/api/pith-number/XCEIZRQE4L37UZBSHVGXYLPSHC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC/action/storage_attestation","attest_author":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC/action/author_attestation","sign_citation":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC/action/citation_signature","submit_replication":"https://pith.science/pith/XCEIZRQE4L37UZBSHVGXYLPSHC/action/replication_record"}},"created_at":"2026-07-04T17:07:49.639550+00:00","updated_at":"2026-07-04T17:07:49.639550+00:00"}