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This object is one of two young stars, located within 2 degrees of each other, that recently brightened by around 5 mags and were reported as possible new FU Orionis-type variables.\n  The outburst spectrum of V2492 Cyg shows atomic emission features throughout the optical and near-infrared. In the optical, Halpha is in emission and has an associated blue-shifted absorption component. The far-red CaII triplet lines are also in emission an"},"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":"1105.0943","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-05-04T21:07:47Z","cross_cats_sorted":[],"title_canon_sha256":"56faf0b31543c72fafa1ebeb3642d4004780c4925e754c31cb9a21547e5070b8","abstract_canon_sha256":"12e1eb89bb72bad2b4bb8d7fb9be2514fd9f10e3b62dee6f94bc0c6cd40b4ada"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:04.294283Z","signature_b64":"KybL4fZqv0jFupSSJYfS+Kipd/FveYfMoWVgfPxKx9pwTEpgAfoBJP1EW2mmNduuSoPgCD9SHI7XCblrHv07Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"127b74cb49d443843b617e1cc0488adb8c18efe8b83137aed1103dbbec8215ae","last_reissued_at":"2026-05-18T02:02:04.293438Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:04.293438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"V2492 Cygni: The Early Evolution of the 2010 Outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Colin Aspin","submitted_at":"2011-05-04T21:07:47Z","abstract_excerpt":"We present Gemini-North optical and near-IR observations of a young eruptive star in Cygnus, designated as V2492 Cyg in the General Catalog of Variable Stars. 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