{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:WS6ED3A7IC7YZ3KSW4223ZUSDF","short_pith_number":"pith:WS6ED3A7","schema_version":"1.0","canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","source":{"kind":"arxiv","id":"2406.06940","version":1},"attestation_state":"computed","paper":{"title":"High-velocity blue-shifted Fe XXV He$\\alpha$ line during a superflare of the RS CVn-type star IM Peg","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Hiroyuki Uchida, Keith Gendreau, Kenji Hamaguchi, Masahiro Tsujimoto, Miki Kurihara, Shun Inoue, Takeshi Go Tsuru, Teruaki Enoto, Wataru Buz Iwakiri, Yuta Notsu, Zaven Arzoumanian","submitted_at":"2024-06-11T04:48:40Z","abstract_excerpt":"Monitor of All-sky X-ray Image (MAXI) detected a superflare, releasing $5\\times 10^{37}$ erg in 2$-$10 keV, of the RS CVn-type star IM Peg at 10:41 UT on 2023 July 23 with its Gas Slit Camera (GSC; 2$-$30 keV). We conducted X-ray follow-up observations of the superflare with Neutron Star Interior Composition ExploreR (NICER; 0.2$-$12 keV) starting at 16:52 UT on July 23 until 06:00 UT on August 2. NICER X-ray spectra clearly showed emission lines of the Fe XXV He$\\alpha$ and Fe XXVI Ly$\\alpha$ for $\\sim 1.5$ days since the MAXI detection. The Fe XXV He$\\alpha$ line was blue-shifted with its ma"},"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":"2406.06940","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-11T04:48:40Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"366810c4d006330a917dd43b2078a39a5ec2dc49a19f3739123a848acc15f848","abstract_canon_sha256":"461622d6308a4a008a4fd7dd9181f5f5f8368d9983739573cdf9cd708005a922"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:30:15.803350Z","signature_b64":"s8f4kqKaa1hcNVJLxhEGycuV8neXLDzLcrDQK/6RfWPwlA43iSYfL1ZMGUIcZByUOBmtkOmGYj1MMgIjtBePAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","last_reissued_at":"2026-07-05T08:30:15.802883Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:30:15.802883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-velocity blue-shifted Fe XXV He$\\alpha$ line during a superflare of the RS CVn-type star IM Peg","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Hiroyuki Uchida, Keith Gendreau, Kenji Hamaguchi, Masahiro Tsujimoto, Miki Kurihara, Shun Inoue, Takeshi Go Tsuru, Teruaki Enoto, Wataru Buz Iwakiri, Yuta Notsu, Zaven Arzoumanian","submitted_at":"2024-06-11T04:48:40Z","abstract_excerpt":"Monitor of All-sky X-ray Image (MAXI) detected a superflare, releasing $5\\times 10^{37}$ erg in 2$-$10 keV, of the RS CVn-type star IM Peg at 10:41 UT on 2023 July 23 with its Gas Slit Camera (GSC; 2$-$30 keV). We conducted X-ray follow-up observations of the superflare with Neutron Star Interior Composition ExploreR (NICER; 0.2$-$12 keV) starting at 16:52 UT on July 23 until 06:00 UT on August 2. NICER X-ray spectra clearly showed emission lines of the Fe XXV He$\\alpha$ and Fe XXVI Ly$\\alpha$ for $\\sim 1.5$ days since the MAXI detection. The Fe XXV He$\\alpha$ line was blue-shifted with its ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.06940","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.06940/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2406.06940","created_at":"2026-07-05T08:30:15.802938+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.06940v1","created_at":"2026-07-05T08:30:15.802938+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.06940","created_at":"2026-07-05T08:30:15.802938+00:00"},{"alias_kind":"pith_short_12","alias_value":"WS6ED3A7IC7Y","created_at":"2026-07-05T08:30:15.802938+00:00"},{"alias_kind":"pith_short_16","alias_value":"WS6ED3A7IC7YZ3KS","created_at":"2026-07-05T08:30:15.802938+00:00"},{"alias_kind":"pith_short_8","alias_value":"WS6ED3A7","created_at":"2026-07-05T08:30:15.802938+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/WS6ED3A7IC7YZ3KSW4223ZUSDF","json":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF.json","graph_json":"https://pith.science/api/pith-number/WS6ED3A7IC7YZ3KSW4223ZUSDF/graph.json","events_json":"https://pith.science/api/pith-number/WS6ED3A7IC7YZ3KSW4223ZUSDF/events.json","paper":"https://pith.science/paper/WS6ED3A7"},"agent_actions":{"view_html":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF","download_json":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF.json","view_paper":"https://pith.science/paper/WS6ED3A7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.06940&json=true","fetch_graph":"https://pith.science/api/pith-number/WS6ED3A7IC7YZ3KSW4223ZUSDF/graph.json","fetch_events":"https://pith.science/api/pith-number/WS6ED3A7IC7YZ3KSW4223ZUSDF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/action/storage_attestation","attest_author":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/action/author_attestation","sign_citation":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/action/citation_signature","submit_replication":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/action/replication_record"}},"created_at":"2026-07-05T08:30:15.802938+00:00","updated_at":"2026-07-05T08:30:15.802938+00:00"}