{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:PPP2T44HHWY2UX6KPV5QKZ4OUR","short_pith_number":"pith:PPP2T44H","schema_version":"1.0","canonical_sha256":"7bdfa9f3873db1aa5fca7d7b05678ea44f62dc62e2398e1c4717a93a3fc87834","source":{"kind":"arxiv","id":"1101.2784","version":1},"attestation_state":"computed","paper":{"title":"Hanny's Voorwerp: a nuclear starburst in IC2497","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), 5), Dept. Physics 8. Univ. Alabama, Dept. Physics & Astronomy), G. I. G. Jozsa (1), H. Rampadarath (3), H. van Arkel (1), Joint Institute for VLBI in Europe. 7. Univ. Yale, K. Schawinski (7), M. A. Garrett (1, Netherlands Institute for Radio Astronomy. 2. Leiden Observatory, R. Beswick (4), T. A. Oosterloo (1, T. W. B. Muxlow (4), University of Leiden. 3. Curtin University of Technology 4. Jodrell Bank Centre for Astrophysics. 5. Kapteyn Astronomical Institute, Univ. Groningen. 6. JIVE, W. C. Keel (8) (1. ASTRON, Z. Paragi (6)","submitted_at":"2011-01-14T12:32:30Z","abstract_excerpt":"We present high and intermediate resolution radio observations of the central region in the spiral galaxy IC 2497, performed using the European VLBI Network (EVN) at 18 cm, and the Multi-Element Radio Linked Interferometer Network (MERLIN) at 18 cm and 6 cm. The e-VLBI observations detect two compact radio sources with brightness temperatures in excess of 105 K, suggesting that they are associated with an AGN located at the centre of the galaxy. We show that IC2497 lies on the FIR-radio correlation and that the dominant component of the 18 cm radio flux density of the galaxy is associated with"},"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":"1101.2784","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-14T12:32:30Z","cross_cats_sorted":[],"title_canon_sha256":"051124b51d0e8c6b2d8bbb366ea39d132e02d16687d097e56a2094f1e843d176","abstract_canon_sha256":"4ee97219aa44f5bcf4ada89d0ee9621c64dc219cb2e00a323843861729b1114b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:31.757334Z","signature_b64":"6gJUfq0vXh4ihnRgjWdOK6GKbIYaS7g2CmAclTs41wmDiwsqMNt2DStiD6w60nMFzxv2SyVsDwZqqNrDkEnyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bdfa9f3873db1aa5fca7d7b05678ea44f62dc62e2398e1c4717a93a3fc87834","last_reissued_at":"2026-05-18T04:31:31.756782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:31.756782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hanny's Voorwerp: a nuclear starburst in IC2497","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), 5), Dept. Physics 8. Univ. Alabama, Dept. Physics & Astronomy), G. I. G. Jozsa (1), H. Rampadarath (3), H. van Arkel (1), Joint Institute for VLBI in Europe. 7. Univ. Yale, K. Schawinski (7), M. A. Garrett (1, Netherlands Institute for Radio Astronomy. 2. Leiden Observatory, R. Beswick (4), T. A. Oosterloo (1, T. W. B. Muxlow (4), University of Leiden. 3. Curtin University of Technology 4. Jodrell Bank Centre for Astrophysics. 5. Kapteyn Astronomical Institute, Univ. Groningen. 6. JIVE, W. C. Keel (8) (1. ASTRON, Z. Paragi (6)","submitted_at":"2011-01-14T12:32:30Z","abstract_excerpt":"We present high and intermediate resolution radio observations of the central region in the spiral galaxy IC 2497, performed using the European VLBI Network (EVN) at 18 cm, and the Multi-Element Radio Linked Interferometer Network (MERLIN) at 18 cm and 6 cm. The e-VLBI observations detect two compact radio sources with brightness temperatures in excess of 105 K, suggesting that they are associated with an AGN located at the centre of the galaxy. We show that IC2497 lies on the FIR-radio correlation and that the dominant component of the 18 cm radio flux density of the galaxy is associated with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2784","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":"1101.2784","created_at":"2026-05-18T04:31:31.756844+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.2784v1","created_at":"2026-05-18T04:31:31.756844+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2784","created_at":"2026-05-18T04:31:31.756844+00:00"},{"alias_kind":"pith_short_12","alias_value":"PPP2T44HHWY2","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"PPP2T44HHWY2UX6K","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"PPP2T44H","created_at":"2026-05-18T12:26:39.201973+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/PPP2T44HHWY2UX6KPV5QKZ4OUR","json":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR.json","graph_json":"https://pith.science/api/pith-number/PPP2T44HHWY2UX6KPV5QKZ4OUR/graph.json","events_json":"https://pith.science/api/pith-number/PPP2T44HHWY2UX6KPV5QKZ4OUR/events.json","paper":"https://pith.science/paper/PPP2T44H"},"agent_actions":{"view_html":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR","download_json":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR.json","view_paper":"https://pith.science/paper/PPP2T44H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.2784&json=true","fetch_graph":"https://pith.science/api/pith-number/PPP2T44HHWY2UX6KPV5QKZ4OUR/graph.json","fetch_events":"https://pith.science/api/pith-number/PPP2T44HHWY2UX6KPV5QKZ4OUR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR/action/storage_attestation","attest_author":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR/action/author_attestation","sign_citation":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR/action/citation_signature","submit_replication":"https://pith.science/pith/PPP2T44HHWY2UX6KPV5QKZ4OUR/action/replication_record"}},"created_at":"2026-05-18T04:31:31.756844+00:00","updated_at":"2026-05-18T04:31:31.756844+00:00"}