{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:GGQ6KYRBG7YACLTFTDBEPU4HCT","short_pith_number":"pith:GGQ6KYRB","schema_version":"1.0","canonical_sha256":"31a1e5622137f0012e6598c247d38714e4441e7e5b01607473038754665b7885","source":{"kind":"arxiv","id":"0903.3468","version":1},"attestation_state":"computed","paper":{"title":"Internal Kinematics and Stellar Populations of the Poststarburst+AGN Galaxy SDSS J230743.41+152558.4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"I. Chilingarian, P. Buyle, S. De Rijcke","submitted_at":"2009-03-20T08:46:08Z","abstract_excerpt":"We present the first 3D spectroscopic observations of a nearby HI detected poststarburst, or E+A, galaxy, SDSS J230743.41+152558.4, obtained with the VIMOS IFU spectrograph at ESO VLT. Using the NBursts full spectral fitting technique, we derive maps of stellar kinematics, age, and metallicity out to 2-3 half-light radii. Our analysis reveals a large-scale rapidly rotating disc (v_circ = 300km/s) with a positive age gradient (0.6 to 1.5 Gyr), and a very metal-rich central region ([Fe/H]=+0.25 dex). If a merger or interaction is responsible for triggering the starburst, the presence of this und"},"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":"0903.3468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-20T08:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"e9f00709c68f499e3aa5a39fa122dee15de41a4ba10a6cf2a1a7d0af5b3bf39e","abstract_canon_sha256":"30153878fc8770d554d7f1f65aed6ae279d0845d8a88a3c1926d6907acbf1b7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:27.121157Z","signature_b64":"r+MdesRbXFbTyH5rsgRKOZYKnfpwg1nweEkDlrw/vFCMTo2Jn6bRPIt8+rLckg6bRd+X+2Js6LURVdCTMUVZCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31a1e5622137f0012e6598c247d38714e4441e7e5b01607473038754665b7885","last_reissued_at":"2026-05-18T02:14:27.120509Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:27.120509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Internal Kinematics and Stellar Populations of the Poststarburst+AGN Galaxy SDSS J230743.41+152558.4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"I. Chilingarian, P. Buyle, S. De Rijcke","submitted_at":"2009-03-20T08:46:08Z","abstract_excerpt":"We present the first 3D spectroscopic observations of a nearby HI detected poststarburst, or E+A, galaxy, SDSS J230743.41+152558.4, obtained with the VIMOS IFU spectrograph at ESO VLT. Using the NBursts full spectral fitting technique, we derive maps of stellar kinematics, age, and metallicity out to 2-3 half-light radii. Our analysis reveals a large-scale rapidly rotating disc (v_circ = 300km/s) with a positive age gradient (0.6 to 1.5 Gyr), and a very metal-rich central region ([Fe/H]=+0.25 dex). If a merger or interaction is responsible for triggering the starburst, the presence of this und"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.3468","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":""},"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":"0903.3468","created_at":"2026-05-18T02:14:27.120619+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.3468v1","created_at":"2026-05-18T02:14:27.120619+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.3468","created_at":"2026-05-18T02:14:27.120619+00:00"},{"alias_kind":"pith_short_12","alias_value":"GGQ6KYRBG7YA","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"GGQ6KYRBG7YACLTF","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"GGQ6KYRB","created_at":"2026-05-18T12:25:59.703012+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/GGQ6KYRBG7YACLTFTDBEPU4HCT","json":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT.json","graph_json":"https://pith.science/api/pith-number/GGQ6KYRBG7YACLTFTDBEPU4HCT/graph.json","events_json":"https://pith.science/api/pith-number/GGQ6KYRBG7YACLTFTDBEPU4HCT/events.json","paper":"https://pith.science/paper/GGQ6KYRB"},"agent_actions":{"view_html":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT","download_json":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT.json","view_paper":"https://pith.science/paper/GGQ6KYRB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.3468&json=true","fetch_graph":"https://pith.science/api/pith-number/GGQ6KYRBG7YACLTFTDBEPU4HCT/graph.json","fetch_events":"https://pith.science/api/pith-number/GGQ6KYRBG7YACLTFTDBEPU4HCT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT/action/storage_attestation","attest_author":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT/action/author_attestation","sign_citation":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT/action/citation_signature","submit_replication":"https://pith.science/pith/GGQ6KYRBG7YACLTFTDBEPU4HCT/action/replication_record"}},"created_at":"2026-05-18T02:14:27.120619+00:00","updated_at":"2026-05-18T02:14:27.120619+00:00"}