{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:5Q5UD3XYWR4KK2OBX5WUG5ZZV4","short_pith_number":"pith:5Q5UD3XY","schema_version":"1.0","canonical_sha256":"ec3b41eef8b478a569c1bf6d437739af24b5825ac46f6107b7369181923fb536","source":{"kind":"arxiv","id":"0903.4175","version":1},"attestation_state":"computed","paper":{"title":"Supernova feedback efficiency and mass loading in the starburst and galactic superwind exemplar M82","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"David K. Strickland, Timothy M. Heckman","submitted_at":"2009-03-24T20:00:06Z","abstract_excerpt":"We measure the net energy efficiency of supernova and stellar wind feedback in the starburst galaxy M82 and the degree of mass-loading of the hot gas piston driving its superwind by comparing a large suite of 1 and 2-dimensional hydrodynamical models to a set of observational constraints derived from hard X-ray observations of the starburst region (the fluxes of the He-alpha and Ly-alpha-like lines of S, Ar, Ca and Fe, along with the total diffuse E=2--8 keV X-ray luminosity). These are the first direct measurements of the feedback efficiency and mass-loading of supernova heated and enriched p"},"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":"0903.4175","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-03-24T20:00:06Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"1755c871fa3f3ef626669cc493d3e09ed034efb29e575b1ab5cc3a6601ac6855","abstract_canon_sha256":"69ddafa5ee0853d8bebb12770ec2be992ec0d59de0b7c39ccfd143cf8ace6c5f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:15.665423Z","signature_b64":"WLCUfSHJUpABZHaa3t6UChKoyxJhRck2l1s+OnsgJGqqLahgelP+SkCFzHeoXLbw6Qo9qwtc1YAton1L7K9oAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec3b41eef8b478a569c1bf6d437739af24b5825ac46f6107b7369181923fb536","last_reissued_at":"2026-05-18T04:29:15.664893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:15.664893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Supernova feedback efficiency and mass loading in the starburst and galactic superwind exemplar M82","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"David K. Strickland, Timothy M. Heckman","submitted_at":"2009-03-24T20:00:06Z","abstract_excerpt":"We measure the net energy efficiency of supernova and stellar wind feedback in the starburst galaxy M82 and the degree of mass-loading of the hot gas piston driving its superwind by comparing a large suite of 1 and 2-dimensional hydrodynamical models to a set of observational constraints derived from hard X-ray observations of the starburst region (the fluxes of the He-alpha and Ly-alpha-like lines of S, Ar, Ca and Fe, along with the total diffuse E=2--8 keV X-ray luminosity). These are the first direct measurements of the feedback efficiency and mass-loading of supernova heated and enriched p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.4175","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":"0903.4175","created_at":"2026-05-18T04:29:15.664977+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.4175v1","created_at":"2026-05-18T04:29:15.664977+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.4175","created_at":"2026-05-18T04:29:15.664977+00:00"},{"alias_kind":"pith_short_12","alias_value":"5Q5UD3XYWR4K","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"5Q5UD3XYWR4KK2OB","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"5Q5UD3XY","created_at":"2026-05-18T12:25:58.837520+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.14546","citing_title":"The GECKOS survey: Resolving the molecular and ionised gas in the galactic outflow of ESO~484-036","ref_index":102,"is_internal_anchor":false},{"citing_arxiv_id":"2605.05548","citing_title":"A Multiwavelength Assessment Disfavoring the X-ray Binary Origin of He III Regions in Metal-Poor Star-Forming Dwarf Galaxies","ref_index":102,"is_internal_anchor":false},{"citing_arxiv_id":"2605.02999","citing_title":"Peering down the barrel with DESI DR2: 10 000+ inflows at $z$ < 0.6 reveal how galaxies accrete cold gas","ref_index":81,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03016","citing_title":"Resolving the Multiphase Outflow, Shock Signatures, and PAHs in the AGN-Starburst Composite ULIRG F10565+2448 with JWST MIRI/MRS","ref_index":69,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4","json":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4.json","graph_json":"https://pith.science/api/pith-number/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/graph.json","events_json":"https://pith.science/api/pith-number/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/events.json","paper":"https://pith.science/paper/5Q5UD3XY"},"agent_actions":{"view_html":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4","download_json":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4.json","view_paper":"https://pith.science/paper/5Q5UD3XY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.4175&json=true","fetch_graph":"https://pith.science/api/pith-number/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/graph.json","fetch_events":"https://pith.science/api/pith-number/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/action/storage_attestation","attest_author":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/action/author_attestation","sign_citation":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/action/citation_signature","submit_replication":"https://pith.science/pith/5Q5UD3XYWR4KK2OBX5WUG5ZZV4/action/replication_record"}},"created_at":"2026-05-18T04:29:15.664977+00:00","updated_at":"2026-05-18T04:29:15.664977+00:00"}