{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:GB4C4DVUMYOCPDBONJR6CFKLGK","short_pith_number":"pith:GB4C4DVU","schema_version":"1.0","canonical_sha256":"30782e0eb4661c278c2e6a63e1154b32a617e85b775fa21ccca6ef17868e4da3","source":{"kind":"arxiv","id":"1008.2843","version":1},"attestation_state":"computed","paper":{"title":"Early Spectroscopy of the 2010 Outburst of U Scorpii","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"2), (2) Hiroshima Astrophysical Science Center, (4) Department of Biosphere-Geosphere System Science, (5) Koyama Astronomical Observatory, Akira Arai (5), Faculty of Informatics, Hiroshima University, Hiroshima University (3) Fujii Kurosaki Observatory, Kazuyoshi Imamura (4), Kenji Tanabe (4), Kiyoshi Sakimoto (1), Koji S. Kawabata (2), Kyoto Sangyo University), Mahito Sasada (1), Makoto Uemura (2), Masayuki Yamanaka (1, Michitoshi Yoshida (2) ((1) Department of Physical Science, Mikiha Nose (4), Mitsugu Fujii (3), Nanae Kunitomi (4), Okayama University of Science, Osamu Nagae (1), Ryosuke Itoh (1), Takako Okushima (1), Takashi Ohsugi (2), Tatsuya Harao (1), Tomoyuki Komatsu (1)","submitted_at":"2010-08-17T07:55:25Z","abstract_excerpt":"We present early spectroscopy of the recurrent nova U~Sco during the outburst in 2010. We successfully obtained time-series spectra at $t_{\\rm d}=$0.37--0.44~d, where $t_{\\rm d}$ denotes the time from the discovery of the present outburst. This is the first time-resolved spectroscopy on the first night of U Sco outbursts. At $t_{\\rm d}\\sim 0.4$~d the H$\\alpha$ line consists of a blue-shifted ($-5000$ km s$^{-1}$) narrow absorption component and a wide emission component having triple peaks, a blue ($\\sim -3000$ km s$^{-1}$), a central ($\\sim 0$ km s$^{-1}$) and a red ($\\sim +3000$ km s$^{-1}$)"},"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":"1008.2843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-08-17T07:55:25Z","cross_cats_sorted":[],"title_canon_sha256":"fd32721a192802cb48cd3f5cbb4fdb521b9be6815a27a36222bf9580d4161d68","abstract_canon_sha256":"501e3cbec8f3bf479284278cd4620b0769a9ee288171b52fe60fed68d961c3e1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:47.573367Z","signature_b64":"GnHQRc3i74mfvbh1sw2sKJtLFE63w4oFZVdGCDxSDNqhkcr00OmR781WwhCTJVaSNXq0Ah6y8ou0rZnwL5qgBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30782e0eb4661c278c2e6a63e1154b32a617e85b775fa21ccca6ef17868e4da3","last_reissued_at":"2026-05-18T02:05:47.572597Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:47.572597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Early Spectroscopy of the 2010 Outburst of U Scorpii","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"2), (2) Hiroshima Astrophysical Science Center, (4) Department of Biosphere-Geosphere System Science, (5) Koyama Astronomical Observatory, Akira Arai (5), Faculty of Informatics, Hiroshima University, Hiroshima University (3) Fujii Kurosaki Observatory, Kazuyoshi Imamura (4), Kenji Tanabe (4), Kiyoshi Sakimoto (1), Koji S. Kawabata (2), Kyoto Sangyo University), Mahito Sasada (1), Makoto Uemura (2), Masayuki Yamanaka (1, Michitoshi Yoshida (2) ((1) Department of Physical Science, Mikiha Nose (4), Mitsugu Fujii (3), Nanae Kunitomi (4), Okayama University of Science, Osamu Nagae (1), Ryosuke Itoh (1), Takako Okushima (1), Takashi Ohsugi (2), Tatsuya Harao (1), Tomoyuki Komatsu (1)","submitted_at":"2010-08-17T07:55:25Z","abstract_excerpt":"We present early spectroscopy of the recurrent nova U~Sco during the outburst in 2010. We successfully obtained time-series spectra at $t_{\\rm d}=$0.37--0.44~d, where $t_{\\rm d}$ denotes the time from the discovery of the present outburst. This is the first time-resolved spectroscopy on the first night of U Sco outbursts. At $t_{\\rm d}\\sim 0.4$~d the H$\\alpha$ line consists of a blue-shifted ($-5000$ km s$^{-1}$) narrow absorption component and a wide emission component having triple peaks, a blue ($\\sim -3000$ km s$^{-1}$), a central ($\\sim 0$ km s$^{-1}$) and a red ($\\sim +3000$ km s$^{-1}$)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2843","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":"1008.2843","created_at":"2026-05-18T02:05:47.572724+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.2843v1","created_at":"2026-05-18T02:05:47.572724+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2843","created_at":"2026-05-18T02:05:47.572724+00:00"},{"alias_kind":"pith_short_12","alias_value":"GB4C4DVUMYOC","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_16","alias_value":"GB4C4DVUMYOCPDBO","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_8","alias_value":"GB4C4DVU","created_at":"2026-05-18T12:26:07.630475+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/GB4C4DVUMYOCPDBONJR6CFKLGK","json":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK.json","graph_json":"https://pith.science/api/pith-number/GB4C4DVUMYOCPDBONJR6CFKLGK/graph.json","events_json":"https://pith.science/api/pith-number/GB4C4DVUMYOCPDBONJR6CFKLGK/events.json","paper":"https://pith.science/paper/GB4C4DVU"},"agent_actions":{"view_html":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK","download_json":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK.json","view_paper":"https://pith.science/paper/GB4C4DVU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.2843&json=true","fetch_graph":"https://pith.science/api/pith-number/GB4C4DVUMYOCPDBONJR6CFKLGK/graph.json","fetch_events":"https://pith.science/api/pith-number/GB4C4DVUMYOCPDBONJR6CFKLGK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK/action/storage_attestation","attest_author":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK/action/author_attestation","sign_citation":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK/action/citation_signature","submit_replication":"https://pith.science/pith/GB4C4DVUMYOCPDBONJR6CFKLGK/action/replication_record"}},"created_at":"2026-05-18T02:05:47.572724+00:00","updated_at":"2026-05-18T02:05:47.572724+00:00"}