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Bond, Jiashuo Zhang, Jia You, Jingyuan Zhao, Kamil Hornoch, Kenta Taguchi, Lanhe Ding, Mi Zhang, Robert Williams, Runwei Xu, Wei-hao Wang, Weiye Wang, Xiaochang Yan, Yuqing Ren","submitted_at":"2024-10-09T17:43:11Z","abstract_excerpt":"We report the recent discovery of two new eruptions of the recurrent nova M31N 2017-01e in the Andromeda galaxy. The latest eruption, M31N 2024-08c, reached $R=17.8$ on 2024 August 06.85 UT, $\\sim2$ months earlier than predicted. In addition to this recent eruption, a search of archival PTF data has revealed a previously unreported eruption on 2014 June 18.46 UT that reached a peak brightness of $R\\sim17.9$ approximately a day later. The addition of these two eruption timings has allowed us to update the mean recurrence time of the nova. We find $\\langle T_\\mathrm{rec} \\rangle = 924.0\\pm7.0$ d"},"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":"2410.07105","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-09T17:43:11Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"0c60b8a3489a53c8216ff573af657589990e54e0cef44b072e6dae48f2bb04d2","abstract_canon_sha256":"8f94ed1f0fc8aa2f46e5d8549f99a312039226b4ef342b94a51d8caf5db2327e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:18:10.948041Z","signature_b64":"N3heZ9TTrty2zbrOHBXYmF/+UrSYFfaPEnNWkHjorFPMja9B2na4YT4oCXR0TpxN9M8jUhLBMaTyf09UffhvAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22b2e338c99cdc5a4077aee350c8a67c53a7ecffb66c8510375a0cad8e3a37a0","last_reissued_at":"2026-07-05T09:18:10.947560Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:18:10.947560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of Two New Eruptions of the Ultrashort Recurrence Time Nova M31N 2017-01e","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Allen W. Shafter, Binyu Wang, Gregory R. Zeimann, Hana Ku\\v{c}\\'akov\\'a, Howard E. Bond, Jiashuo Zhang, Jia You, Jingyuan Zhao, Kamil Hornoch, Kenta Taguchi, Lanhe Ding, Mi Zhang, Robert Williams, Runwei Xu, Wei-hao Wang, Weiye Wang, Xiaochang Yan, Yuqing Ren","submitted_at":"2024-10-09T17:43:11Z","abstract_excerpt":"We report the recent discovery of two new eruptions of the recurrent nova M31N 2017-01e in the Andromeda galaxy. The latest eruption, M31N 2024-08c, reached $R=17.8$ on 2024 August 06.85 UT, $\\sim2$ months earlier than predicted. In addition to this recent eruption, a search of archival PTF data has revealed a previously unreported eruption on 2014 June 18.46 UT that reached a peak brightness of $R\\sim17.9$ approximately a day later. The addition of these two eruption timings has allowed us to update the mean recurrence time of the nova. 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