{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:FSAWDYZQ44A2DSHUGBSCDMT52U","short_pith_number":"pith:FSAWDYZQ","schema_version":"1.0","canonical_sha256":"2c8161e330e701a1c8f4306421b27dd53d81ce2d6f8058746a8cc31f01c30a45","source":{"kind":"arxiv","id":"1405.4702","version":2},"attestation_state":"computed","paper":{"title":"Constraints on the progenitor system and the environs of SN 2014J from deep radio observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Alberdi, C. Fransson, C.-I. Bjornsson, E. Ros, I. Marti-Vidal, J.C. Guirado, J.M. Marcaide, M.A. Perez-Torres, M. Argo, P. Lundqvist, R. Beswick, S. Ryder, T.W.M. Muxlow, Z. Paragi","submitted_at":"2014-05-19T12:55:37Z","abstract_excerpt":"We report deep EVN and eMERLIN observations of the Type Ia SN 2014J in the nearby galaxy M 82. Our observations represent, together with JVLA observations of SNe 2011fe and 2014J, the most sensitive radio studies of Type Ia SNe ever. By combining data and a proper modeling of the radio emission, we constrain the mass-loss rate from the progenitor system of SN 2014J to $\\dot{M} \\lesssim 7.0\\times 10^{-10}\\, {\\rm M_{\\odot}\\, yr^{-1}}$ (3-$\\sigma$; for a wind speed of $100\\, {\\rm km s^{-1}}$). If the medium around the supernova is uniform, then $n_{\\rm ISM} \\lesssim 1.3 {\\rm cm^3}$ (3-$\\sigma$), "},"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":"1405.4702","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-19T12:55:37Z","cross_cats_sorted":[],"title_canon_sha256":"44b643e2117bcdc1e3feb46a208534e937900c105b37844e952c5fab15c3e7be","abstract_canon_sha256":"79f6eee911d5f270dd280395a0016a64fadabb2c3ca4172bf957e5d70e0c79c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:10.996781Z","signature_b64":"rpxyh22AFbQj94L/emP+IU98Fg9s+3uK2vTNRMRUKoSuYjOFuzHTCEr1BfVErc7lax3JM+Gn3kXSSHlWGG51BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c8161e330e701a1c8f4306421b27dd53d81ce2d6f8058746a8cc31f01c30a45","last_reissued_at":"2026-05-18T01:43:10.996109Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:10.996109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on the progenitor system and the environs of SN 2014J from deep radio observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Alberdi, C. Fransson, C.-I. Bjornsson, E. Ros, I. Marti-Vidal, J.C. Guirado, J.M. Marcaide, M.A. Perez-Torres, M. Argo, P. Lundqvist, R. Beswick, S. Ryder, T.W.M. Muxlow, Z. Paragi","submitted_at":"2014-05-19T12:55:37Z","abstract_excerpt":"We report deep EVN and eMERLIN observations of the Type Ia SN 2014J in the nearby galaxy M 82. Our observations represent, together with JVLA observations of SNe 2011fe and 2014J, the most sensitive radio studies of Type Ia SNe ever. By combining data and a proper modeling of the radio emission, we constrain the mass-loss rate from the progenitor system of SN 2014J to $\\dot{M} \\lesssim 7.0\\times 10^{-10}\\, {\\rm M_{\\odot}\\, yr^{-1}}$ (3-$\\sigma$; for a wind speed of $100\\, {\\rm km s^{-1}}$). If the medium around the supernova is uniform, then $n_{\\rm ISM} \\lesssim 1.3 {\\rm cm^3}$ (3-$\\sigma$), "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4702","kind":"arxiv","version":2},"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":"1405.4702","created_at":"2026-05-18T01:43:10.996209+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.4702v2","created_at":"2026-05-18T01:43:10.996209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4702","created_at":"2026-05-18T01:43:10.996209+00:00"},{"alias_kind":"pith_short_12","alias_value":"FSAWDYZQ44A2","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"FSAWDYZQ44A2DSHU","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"FSAWDYZQ","created_at":"2026-05-18T12:28:28.263976+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/FSAWDYZQ44A2DSHUGBSCDMT52U","json":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U.json","graph_json":"https://pith.science/api/pith-number/FSAWDYZQ44A2DSHUGBSCDMT52U/graph.json","events_json":"https://pith.science/api/pith-number/FSAWDYZQ44A2DSHUGBSCDMT52U/events.json","paper":"https://pith.science/paper/FSAWDYZQ"},"agent_actions":{"view_html":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U","download_json":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U.json","view_paper":"https://pith.science/paper/FSAWDYZQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.4702&json=true","fetch_graph":"https://pith.science/api/pith-number/FSAWDYZQ44A2DSHUGBSCDMT52U/graph.json","fetch_events":"https://pith.science/api/pith-number/FSAWDYZQ44A2DSHUGBSCDMT52U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U/action/storage_attestation","attest_author":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U/action/author_attestation","sign_citation":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U/action/citation_signature","submit_replication":"https://pith.science/pith/FSAWDYZQ44A2DSHUGBSCDMT52U/action/replication_record"}},"created_at":"2026-05-18T01:43:10.996209+00:00","updated_at":"2026-05-18T01:43:10.996209+00:00"}