{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:FV5XQ3HHWZXNNFDO3KUUTWJVGG","short_pith_number":"pith:FV5XQ3HH","schema_version":"1.0","canonical_sha256":"2d7b786ce7b66ed6946edaa949d93531843f871ca3d775bb9378d42576ad1b80","source":{"kind":"arxiv","id":"0711.2831","version":1},"attestation_state":"computed","paper":{"title":"Discovery of a WZ Sge-Type Dwarf Nova, SDSS J102146.44+234926.3: Unprecedented Infrared Activity during a Rebrightening Phase","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Arai, A. Imada, A. Ueda, D. Nogami, E. Pavlenko, H. Katagiri, H. Maehara, H. Takahashi, K. Nakajima, K. Okita, K. Sadakane, K. S. Kawabata, K. Yanagisawa, M. Kino, M. Uemura, M. Yoshida, N. A. Katysheva, O. Nagae, S. Chiyonobu, S. Sato, S. Yu. Shugarov, T. Hayashi, T. Kato, T. Krajci, T. Mizuno, T. Ohsugi, T. Yamashita, V. P. Goranskij, Y. Fukazawa","submitted_at":"2007-11-19T02:38:24Z","abstract_excerpt":"Several SU UMa-type dwarf novae, in particular, WZ Sge-type stars tend to exhibit rebrightenings after superoutbursts. The rebrightening phenomenon is problematic for the disk instability theory of dwarf novae since it requires a large amount of remnant matter in the disk even after superoutbursts. Here, we report our optical and infrared observations during the first-ever outburst of a new dwarf nova, SDSS J102146.44+234926.3. During the outburst, we detected superhumps with a period of 0.056281 +/- 0.000015 d, which is typical for superhump periods in WZ Sge stars. In conjunction with the ap"},"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":"0711.2831","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-11-19T02:38:24Z","cross_cats_sorted":[],"title_canon_sha256":"ccb0a4ea2c9070b0dd5c2bf591ae9193a6d78fe6aa7dea0970ebf6d2feb7ecad","abstract_canon_sha256":"8cf42dc1e5b948b1c7f1d5d66711fe43ee02a7c824127c2303de553e48790b61"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:09.300048Z","signature_b64":"LfNDD0nyJDIRTpLCs1NYsnGiRAfwug1/Kf1pBx/nlhmvqjdKnr7z6wJdGhyL8ZQ/f83Uy4fUFfRZiihPcIRoDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d7b786ce7b66ed6946edaa949d93531843f871ca3d775bb9378d42576ad1b80","last_reissued_at":"2026-05-18T02:16:09.299229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:09.299229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of a WZ Sge-Type Dwarf Nova, SDSS J102146.44+234926.3: Unprecedented Infrared Activity during a Rebrightening Phase","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Arai, A. Imada, A. Ueda, D. Nogami, E. Pavlenko, H. Katagiri, H. Maehara, H. Takahashi, K. Nakajima, K. Okita, K. Sadakane, K. S. Kawabata, K. Yanagisawa, M. Kino, M. Uemura, M. Yoshida, N. A. Katysheva, O. Nagae, S. Chiyonobu, S. Sato, S. Yu. Shugarov, T. Hayashi, T. Kato, T. Krajci, T. Mizuno, T. Ohsugi, T. Yamashita, V. P. Goranskij, Y. Fukazawa","submitted_at":"2007-11-19T02:38:24Z","abstract_excerpt":"Several SU UMa-type dwarf novae, in particular, WZ Sge-type stars tend to exhibit rebrightenings after superoutbursts. The rebrightening phenomenon is problematic for the disk instability theory of dwarf novae since it requires a large amount of remnant matter in the disk even after superoutbursts. Here, we report our optical and infrared observations during the first-ever outburst of a new dwarf nova, SDSS J102146.44+234926.3. During the outburst, we detected superhumps with a period of 0.056281 +/- 0.000015 d, which is typical for superhump periods in WZ Sge stars. In conjunction with the ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0711.2831","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":"0711.2831","created_at":"2026-05-18T02:16:09.299397+00:00"},{"alias_kind":"arxiv_version","alias_value":"0711.2831v1","created_at":"2026-05-18T02:16:09.299397+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0711.2831","created_at":"2026-05-18T02:16:09.299397+00:00"},{"alias_kind":"pith_short_12","alias_value":"FV5XQ3HHWZXN","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"FV5XQ3HHWZXNNFDO","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"FV5XQ3HH","created_at":"2026-05-18T12:25:55.427421+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/FV5XQ3HHWZXNNFDO3KUUTWJVGG","json":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG.json","graph_json":"https://pith.science/api/pith-number/FV5XQ3HHWZXNNFDO3KUUTWJVGG/graph.json","events_json":"https://pith.science/api/pith-number/FV5XQ3HHWZXNNFDO3KUUTWJVGG/events.json","paper":"https://pith.science/paper/FV5XQ3HH"},"agent_actions":{"view_html":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG","download_json":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG.json","view_paper":"https://pith.science/paper/FV5XQ3HH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0711.2831&json=true","fetch_graph":"https://pith.science/api/pith-number/FV5XQ3HHWZXNNFDO3KUUTWJVGG/graph.json","fetch_events":"https://pith.science/api/pith-number/FV5XQ3HHWZXNNFDO3KUUTWJVGG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG/action/storage_attestation","attest_author":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG/action/author_attestation","sign_citation":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG/action/citation_signature","submit_replication":"https://pith.science/pith/FV5XQ3HHWZXNNFDO3KUUTWJVGG/action/replication_record"}},"created_at":"2026-05-18T02:16:09.299397+00:00","updated_at":"2026-05-18T02:16:09.299397+00:00"}