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Marchev","submitted_at":"2023-12-07T15:03:46Z","abstract_excerpt":"Context: T CrB (NOVA CrB 1946) is a famous recurrent nova with a recurrence timescale of 80 years.\n  Aims: We aim to estimate the colours, luminosity, and mass-accretion rate for T CrB (NOVA CrB 1946) during and after the superactive state.\n  Methods and Results: We performed and analysed $UBV$ photometry of the recurrent nova T~CrB. For the hot component of T~CrB, we find average dereddened colours of $(U-B)_0 = -0.70 \\pm 0.08$ and $(B-V)_0 = 0.23 \\pm 0.06$, which correspond to an effective temperature of $9400 \\pm 500$~K and an optical luminosity of $40-110~L_\\odot$ during the superactive st"},"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":"2312.04342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-12-07T15:03:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"12eeef11b881456111b78f1af698614e35de27576fa8847829119eb035362689","abstract_canon_sha256":"93c9e0511404aa477914d2050152e23bd50008607b7a7beec2f16cc650e92cf9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:21:32.882960Z","signature_b64":"2o72/+esnhft7pTw2iRCWQyok8KKlMcmqvq5zm5OzW5YRxcrniUQQj/7BuwGaTsXEnXpr6ofEs+1vMhTUBgnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31c12a01cd828a4c78543b5aefd1ca9ec6aa48bb9247c9dd05bbfada11a10d8c","last_reissued_at":"2026-07-05T07:21:32.882411Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:21:32.882411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accretion in the recurrent nova T CrB: Linking the superactive state to the predicted outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"A. 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