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Krawczynski, J. E. Ward, J. Grube, J. H. Buckley, J. Holder, J. P. Finley, J. P. Hughes, J. Quinn, J. S. Perkins, K. Byrum, K. Ragan, K. Tsurusaki, L. Ciupik, L. C. Reyes, L. Fortson, M. Beilicke, M. Errando, M. J. Lang, M. Kertzman, M. Orr, M. Pohl, M. Schroedter, M. Theiling, M. Vivier, M. Wood, N. Galante, N. Karlsson, N. Park, P. Kaaret, P. Majumdar, P. Moriarty, P. Slane, P. T. Reynolds, R. A. Ong, R. Dickherber, R. Guenette, R. Mukherjee, S. Godambe, S. Griffin, S. LeBohec, S. M. Bradbury, S. McArthur, S. P. Wakely, S. Thibadeau, S. Vincent, T. Arlen, T. Aune, T. B. Humensky, T. C. Weekes, T. Weisgarber, V. A. Acciari, V. Bugaev, V. V. Vassiliev, W. Benbow, W. Cui","submitted_at":"2011-02-18T16:48:29Z","abstract_excerpt":"We report the discovery of TeV gamma-ray emission from the Type Ia supernova remnant (SNR) G120.1+1.4, known as Tycho's supernova remnant. Observations performed in the period 2008-2010 with the VERITAS ground-based gamma-ray observatory reveal weak emission coming from the direction of the remnant, compatible with a point source located at $00^{\\rm h} \\ 25^{\\rm m} \\ 27.0^{\\rm s},\\ +64^{\\circ} \\ 10^{\\prime} \\ 50^{\\prime\\prime}$ (J2000). The TeV photon spectrum measured by VERITAS can be described with a power-law $dN/dE = C(E/3.42\\;\\textrm{TeV})^{-\\Gamma}$ with $\\Gamma = 1.95 \\pm 0.51_{stat} \\"},"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":"1102.3871","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-02-18T16:48:29Z","cross_cats_sorted":[],"title_canon_sha256":"02bb3df7e42e445e849572e17c795fde9398fa455fe0ae8fc06c89df9e249756","abstract_canon_sha256":"31fe1ca8020d2349910ae55942ef6f7cf9d230083fcd325475bec00c0f5e4f65"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:31.477451Z","signature_b64":"qyUyprt8y5CC7uY4eLz3ZOAD5m5MRfq5yAVHw9l6HXOxxmiuiyGVPCaNCG7pGSn1cKxoeZXIWNOLDD+ktynlBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0475bfb0310e8d78a17d5a207132e034886da36d08f3d96e7bd26e97b3b5b803","last_reissued_at":"2026-05-18T02:22:31.476860Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:31.476860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of TeV Gamma Ray Emission from Tycho's Supernova Remnant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. 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Weisgarber, V. A. Acciari, V. Bugaev, V. V. Vassiliev, W. Benbow, W. Cui","submitted_at":"2011-02-18T16:48:29Z","abstract_excerpt":"We report the discovery of TeV gamma-ray emission from the Type Ia supernova remnant (SNR) G120.1+1.4, known as Tycho's supernova remnant. Observations performed in the period 2008-2010 with the VERITAS ground-based gamma-ray observatory reveal weak emission coming from the direction of the remnant, compatible with a point source located at $00^{\\rm h} \\ 25^{\\rm m} \\ 27.0^{\\rm s},\\ +64^{\\circ} \\ 10^{\\prime} \\ 50^{\\prime\\prime}$ (J2000). 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