{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:FB3NI5ENA7LUL3NQLY62R7DDGQ","short_pith_number":"pith:FB3NI5EN","schema_version":"1.0","canonical_sha256":"2876d4748d07d745edb05e3da8fc6334022b3cdaa49de07d5fc72f0a7dfc4333","source":{"kind":"arxiv","id":"1101.1491","version":1},"attestation_state":"computed","paper":{"title":"Infrared Spectroscopy of Halos of Edge-on Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Kenneth Wood, Richard J. Rand, Robert A. Benjamin, Sharon E. Meidt","submitted_at":"2011-01-07T18:17:00Z","abstract_excerpt":"We present a study of ionized gas, PAHs, and molecular hydrogen emission in the halos of three edge-on galaxies, NGC 891, NGC 5775 and NGC 3044, based on 10-20 micron Spitzer Space Telescope spectra. The [Ne III]/[Ne II] ratio, an excellent measure of radiation hardness, rises with z in the halo of NGC 891. It is also higher in the halo of NGC 5775 than in the disk. NGC 3044 presents a more confusing situation. To explain the [Ne III]/[Ne II] as well as optical line ratio behavior in NGC 891, we carry out a simple exploration of parameter space with CLOUDY, which indicates a large increase in "},"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":"1101.1491","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-07T18:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"2ad5dab8a0f2b108b77e25f399587ee42c9b2b96b5265682932f1ae072057b0a","abstract_canon_sha256":"22a44ba885139782dc5f417045c3ff7abcde0915e685a09e9a9f99cc7a2f6a99"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:11.795491Z","signature_b64":"K8dpYzvrN8pmCvjDz3izzINFND49QzPPbIr4AHeTaqTjTtXSBSAIsnMkrEMMiGjkKOYuGM2F8zsx0VpbuEixAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2876d4748d07d745edb05e3da8fc6334022b3cdaa49de07d5fc72f0a7dfc4333","last_reissued_at":"2026-05-18T02:04:11.794834Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:11.794834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Infrared Spectroscopy of Halos of Edge-on Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Kenneth Wood, Richard J. Rand, Robert A. Benjamin, Sharon E. Meidt","submitted_at":"2011-01-07T18:17:00Z","abstract_excerpt":"We present a study of ionized gas, PAHs, and molecular hydrogen emission in the halos of three edge-on galaxies, NGC 891, NGC 5775 and NGC 3044, based on 10-20 micron Spitzer Space Telescope spectra. The [Ne III]/[Ne II] ratio, an excellent measure of radiation hardness, rises with z in the halo of NGC 891. It is also higher in the halo of NGC 5775 than in the disk. NGC 3044 presents a more confusing situation. To explain the [Ne III]/[Ne II] as well as optical line ratio behavior in NGC 891, we carry out a simple exploration of parameter space with CLOUDY, which indicates a large increase in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1491","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":"1101.1491","created_at":"2026-05-18T02:04:11.794929+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.1491v1","created_at":"2026-05-18T02:04:11.794929+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1491","created_at":"2026-05-18T02:04:11.794929+00:00"},{"alias_kind":"pith_short_12","alias_value":"FB3NI5ENA7LU","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"FB3NI5ENA7LUL3NQ","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"FB3NI5EN","created_at":"2026-05-18T12:26:28.662955+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/FB3NI5ENA7LUL3NQLY62R7DDGQ","json":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ.json","graph_json":"https://pith.science/api/pith-number/FB3NI5ENA7LUL3NQLY62R7DDGQ/graph.json","events_json":"https://pith.science/api/pith-number/FB3NI5ENA7LUL3NQLY62R7DDGQ/events.json","paper":"https://pith.science/paper/FB3NI5EN"},"agent_actions":{"view_html":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ","download_json":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ.json","view_paper":"https://pith.science/paper/FB3NI5EN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.1491&json=true","fetch_graph":"https://pith.science/api/pith-number/FB3NI5ENA7LUL3NQLY62R7DDGQ/graph.json","fetch_events":"https://pith.science/api/pith-number/FB3NI5ENA7LUL3NQLY62R7DDGQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ/action/storage_attestation","attest_author":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ/action/author_attestation","sign_citation":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ/action/citation_signature","submit_replication":"https://pith.science/pith/FB3NI5ENA7LUL3NQLY62R7DDGQ/action/replication_record"}},"created_at":"2026-05-18T02:04:11.794929+00:00","updated_at":"2026-05-18T02:04:11.794929+00:00"}