{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HRAV6FN5CM5EJA6AXYLLCAG4CG","short_pith_number":"pith:HRAV6FN5","schema_version":"1.0","canonical_sha256":"3c415f15bd133a4483c0be16b100dc1186b0bd012cab20e8b3aa37ab780a7b99","source":{"kind":"arxiv","id":"1607.07444","version":1},"attestation_state":"computed","paper":{"title":"Observations of asymmetric velocity fields and gas cooling in the NGC 4636 galaxy group X-ray halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alexis Finoguenov, Andrew Fabian, Ciro Pinto, Jelle de Plaa, Jelle Kaastra, Jeremy Sanders, Jussi Ahoranta","submitted_at":"2016-07-25T20:00:03Z","abstract_excerpt":"This study aims to probe the thermodynamic properties of the hot intragroup medium (IGM) plasma in the core regions of the NGC 4636 galaxy group by detailed measurements of several emission lines and their relative intensities. We analyzed deep XMM-Newton Reflection Grating Spectrometer (RGS) data in five adjacent spectral regions in the central parts of the NGC 4636 galaxy group. We examined the suppression of the Fe xvii resonance line (15.01 {\\AA}) as compared to the forbidden lines of the same ion (17.05 {\\AA} and 17.10 {\\AA}). The presence and radial dependence of the cooling flow was inv"},"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":"1607.07444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-25T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"8eab451f7e207d3e1403d479fcca9d550b9d7a6076e2b7472f68712047773b6e","abstract_canon_sha256":"f9e3ca9f637ff93d1624dbba0571b831767c0df99c6b6cd4db110a427b6777f2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:28.529541Z","signature_b64":"8XRoHw9Ur/hOs2oaJ/zYdBgAOFzOfgTNOKZaDooWwsPvDyNfeBDGHxlEdfP3fXy0Jm0eADEdbta5Ty6Nk04DBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c415f15bd133a4483c0be16b100dc1186b0bd012cab20e8b3aa37ab780a7b99","last_reissued_at":"2026-05-18T01:10:28.529055Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:28.529055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observations of asymmetric velocity fields and gas cooling in the NGC 4636 galaxy group X-ray halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alexis Finoguenov, Andrew Fabian, Ciro Pinto, Jelle de Plaa, Jelle Kaastra, Jeremy Sanders, Jussi Ahoranta","submitted_at":"2016-07-25T20:00:03Z","abstract_excerpt":"This study aims to probe the thermodynamic properties of the hot intragroup medium (IGM) plasma in the core regions of the NGC 4636 galaxy group by detailed measurements of several emission lines and their relative intensities. We analyzed deep XMM-Newton Reflection Grating Spectrometer (RGS) data in five adjacent spectral regions in the central parts of the NGC 4636 galaxy group. We examined the suppression of the Fe xvii resonance line (15.01 {\\AA}) as compared to the forbidden lines of the same ion (17.05 {\\AA} and 17.10 {\\AA}). The presence and radial dependence of the cooling flow was inv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.07444","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":"1607.07444","created_at":"2026-05-18T01:10:28.529134+00:00"},{"alias_kind":"arxiv_version","alias_value":"1607.07444v1","created_at":"2026-05-18T01:10:28.529134+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.07444","created_at":"2026-05-18T01:10:28.529134+00:00"},{"alias_kind":"pith_short_12","alias_value":"HRAV6FN5CM5E","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HRAV6FN5CM5EJA6A","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HRAV6FN5","created_at":"2026-05-18T12:30:19.053100+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/HRAV6FN5CM5EJA6AXYLLCAG4CG","json":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG.json","graph_json":"https://pith.science/api/pith-number/HRAV6FN5CM5EJA6AXYLLCAG4CG/graph.json","events_json":"https://pith.science/api/pith-number/HRAV6FN5CM5EJA6AXYLLCAG4CG/events.json","paper":"https://pith.science/paper/HRAV6FN5"},"agent_actions":{"view_html":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG","download_json":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG.json","view_paper":"https://pith.science/paper/HRAV6FN5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1607.07444&json=true","fetch_graph":"https://pith.science/api/pith-number/HRAV6FN5CM5EJA6AXYLLCAG4CG/graph.json","fetch_events":"https://pith.science/api/pith-number/HRAV6FN5CM5EJA6AXYLLCAG4CG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG/action/storage_attestation","attest_author":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG/action/author_attestation","sign_citation":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG/action/citation_signature","submit_replication":"https://pith.science/pith/HRAV6FN5CM5EJA6AXYLLCAG4CG/action/replication_record"}},"created_at":"2026-05-18T01:10:28.529134+00:00","updated_at":"2026-05-18T01:10:28.529134+00:00"}