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Votruba (4) ((1) Astrophysics Research Institute","submitted_at":"2014-01-13T16:31:07Z","abstract_excerpt":"Context: In late November 2013 a fifth eruption in five years of the M31 recurrent nova M31N 2008-12a was announced.\n  Aims: In this Letter we address the optical lightcurve and progenitor system of M31N 2008-12a.\n  Methods: Optical imaging data of the 2013 eruption from the Liverpool Telescope, La Palma, and Danish 1.54m Telescope, La Silla, and archival Hubble Space Telescope near-IR, optical and near-UV data are astrometrically and photometrically analysed.\n  Results: Photometry of the 2013 eruption, combined with three previous eruptions, enabled construction of a template light curve of a"},"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":"1401.2905","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-13T16:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"96e90daf056ac44fab29a2ef580f6680fa52b5eb7974ae26cd47fb649efc10bb","abstract_canon_sha256":"7fe9bfd485ee52391381a8e73cbe3ae68b74e77c07a1f6b7a59a50aa7a1a9375"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:26.105064Z","signature_b64":"6ChgMf3vSgSBooJg65Ik8TyggYa7Ya1FXq7IAOAwssKwAk2zhT5YmQwD2XPzPT3516nYHURhMMKYoqJ+am+ADA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50a43372613ab15ab0d86d7634b9a5019a92905248502972ec8de8ecf21e5517","last_reissued_at":"2026-05-18T01:45:26.104377Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:26.104377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A remarkable recurrent nova in M31 - The optical observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) European Space Astronomy Centre, (3) Department of Astronomy, (4) Astronomical Institute, Academy of Sciences, A. 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Votruba (4) ((1) Astrophysics Research Institute","submitted_at":"2014-01-13T16:31:07Z","abstract_excerpt":"Context: In late November 2013 a fifth eruption in five years of the M31 recurrent nova M31N 2008-12a was announced.\n  Aims: In this Letter we address the optical lightcurve and progenitor system of M31N 2008-12a.\n  Methods: Optical imaging data of the 2013 eruption from the Liverpool Telescope, La Palma, and Danish 1.54m Telescope, La Silla, and archival Hubble Space Telescope near-IR, optical and near-UV data are astrometrically and photometrically analysed.\n  Results: Photometry of the 2013 eruption, combined with three previous eruptions, enabled construction of a template light curve of a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2905","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":"1401.2905","created_at":"2026-05-18T01:45:26.104476+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.2905v2","created_at":"2026-05-18T01:45:26.104476+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2905","created_at":"2026-05-18T01:45:26.104476+00:00"},{"alias_kind":"pith_short_12","alias_value":"KCSDG4TBHKYV","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_16","alias_value":"KCSDG4TBHKYVVMGY","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_8","alias_value":"KCSDG4TB","created_at":"2026-05-18T12:28:35.611951+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/KCSDG4TBHKYVVMGYNV3DJONFAG","json":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG.json","graph_json":"https://pith.science/api/pith-number/KCSDG4TBHKYVVMGYNV3DJONFAG/graph.json","events_json":"https://pith.science/api/pith-number/KCSDG4TBHKYVVMGYNV3DJONFAG/events.json","paper":"https://pith.science/paper/KCSDG4TB"},"agent_actions":{"view_html":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG","download_json":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG.json","view_paper":"https://pith.science/paper/KCSDG4TB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.2905&json=true","fetch_graph":"https://pith.science/api/pith-number/KCSDG4TBHKYVVMGYNV3DJONFAG/graph.json","fetch_events":"https://pith.science/api/pith-number/KCSDG4TBHKYVVMGYNV3DJONFAG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG/action/storage_attestation","attest_author":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG/action/author_attestation","sign_citation":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG/action/citation_signature","submit_replication":"https://pith.science/pith/KCSDG4TBHKYVVMGYNV3DJONFAG/action/replication_record"}},"created_at":"2026-05-18T01:45:26.104476+00:00","updated_at":"2026-05-18T01:45:26.104476+00:00"}