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Data are chosen for when the instrument parameters were optimized. The measured fluxes of the \\ion{S}{15} $1s^2-1s4p$ ($w4$) line at 4.089 \\AA\\ gives $A({\\rm S}) = 7.16 \\pm 0.17$ (abundances on a logarithmic scale with $A({\\rm H}) = 12$) which we consider to be the most reliable. Estimates from other lines range from 7.13 to 7.24. The preferred S abundance esti"},"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":"1203.5888","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-03-27T07:51:34Z","cross_cats_sorted":[],"title_canon_sha256":"d0d5334a1147ac807d7f16eccaaf9d96c2d8a341e196aece5d1fb4745a167ca7","abstract_canon_sha256":"b31ff373539942e0b989bdc9fc7915c03379ec32cf3392749acbd990a805187e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:01.534480Z","signature_b64":"sYUlq+NPK3vpxl9gKD9Zp1qMYSD0aIdMX05n5mcHHSnxP30VYfwldYIlLX3t1uIOlhRh9yMBLTN9veDIh7qUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebf786a3c12695702297122db99bb2d0b8916e65488fc60362bcab248c2988a4","last_reissued_at":"2026-05-18T01:58:01.534013Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:01.534013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Solar Flare Sulphur Abundance from RESIK Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. Sylwester, J. Sylwester, K. J. H. Phillips, V. D. Kuznetsov","submitted_at":"2012-03-27T07:51:34Z","abstract_excerpt":"The RESIK instrument on {\\em CORONAS-F} spacecraft observed several sulphur X-ray lines in three of its four channels covering the wavelength range 3.8-6.1 \\AA\\ during solar flares. The fluxes are analyzed to give the sulphur abundance. Data are chosen for when the instrument parameters were optimized. The measured fluxes of the \\ion{S}{15} $1s^2-1s4p$ ($w4$) line at 4.089 \\AA\\ gives $A({\\rm S}) = 7.16 \\pm 0.17$ (abundances on a logarithmic scale with $A({\\rm H}) = 12$) which we consider to be the most reliable. Estimates from other lines range from 7.13 to 7.24. 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