{"schema_version":"camera-spectra-native-profile-1","dataset_version":"recovered-2026-10-01-siril-source-review-v2","profile_id":"prf-npl-sigma-sigma-sd1-merrill-col-abcd","profile_revision":1,"camera_id":"cam-npl-sigma-sd1-merrill","source_id":"src-npl-uea-darrodi2015-sigma-sd1merrill","source_uri":"https://doi.org/10.1364/JOSAA.32.000381","citation":"Darrodi et al. 2015, NPL-measured ground-truth sensitivity for the Sigma SD1 Merrill.","license":{"name":"unknown","url":null,"permission_status":"unknown"},"response_scope":"unknown","response_unit":"unknown","response_scale":"unknown","normalization_method":"unknown","original_normalization_method":"unknown","optical_configuration":{"configuration_id":"cfg-prf-npl-sigma-sigma-sd1-merrill-col-abcd","configuration_type":"unknown","description":"Canonical release: the optical configuration is honestly unknown; lens, body serial, filter stack, and hot-mirror / IR-cut filter state are not documented per leaf in the inspected source.","evidence_source_ids":["src-npl-uea-darrodi2015-sigma-sd1merrill"],"external_filters":null,"geometry":null,"internal_optical_stack":null,"lens":null,"modifier_or_vendor":null,"name":"unknown","removed_components":null,"replacement_components":null},"quality_grade":"unassessed","quality_reason":"Canonical release: no per-leaf scientific-quality assessment is asserted; the source-side claim is preserved verbatim.","confidence_grade":"unassessed","confidence_reason":"Canonical release: no claim about the per-leaf measurement precision is asserted; the upstream 'as is' wording (where present) is preserved.","scientific_notes":"Canonical release: native grid and native R/G/B samples are preserved verbatim; sparse cells (wavelengths absent in the upstream CSV / JSON) are preserved as null; the parser never invents a value.","wavelength_unit":"nm","wavelengths_nm":[400,410,420,430,440,450,460,470,480,490,500,510,520,530,540,550,560,570,580,590,600,610,620,630,640,650,660,670,680],"red":[0.005621074406087,0.00650335624511722,0.0740791128914004,0.0430229594629288,0.0345095256224701,0.0188915672343435,0.007311076996802,0.0454991512309602,0.0567675292111168,0.134195920659178,0.164752689978376,0.217126419786392,0.306483438358244,0.349845796148885,0.443742581332593,0.444888605281263,0.478975756747026,0.509502914810739,0.592629093785305,0.673833275606976,0.714037714881065,0.860007613114951,0.898103028495652,1,0.994942133112452,0.92085127736138,0.181433116314253,0.0063097879537275,0.00528874383171553],"green":[0.00632809751263117,0.00976180459591275,0.0252717700826105,0.0837511858531122,0.14370381974361,0.183611689308822,0.40909478009953,0.515955640861764,0.601206646627055,0.670316799801363,0.752587471534758,0.843813843689442,0.901517245588127,0.919750306687677,0.967994290521578,0.957252310640411,0.952047918600474,0.976280144583998,0.972586243889558,1,0.969484527577774,0.954413191248507,0.933354358909213,0.925714068336362,0.884864395415034,0.761651847416157,0.140524370571505,0.00414367215817646,0.00183198958165669],"blue":[0.162159424133079,0.285498378046286,0.396904310609021,0.508310243171756,0.622118472469488,0.737421362457695,0.94538036670138,0.964414947702804,1,0.985980211884525,0.98340266357529,0.969692195670726,0.942808174020798,0.896642799180709,0.884445902200419,0.867918990715971,0.833756795849084,0.83204140240573,0.800549563847782,0.782895124746465,0.739469530071918,0.667186401749857,0.620436278068167,0.611160878769567,0.551735561957106,0.465388317445164,0.0796190783672069,0.000592444461072368,0.00468563680483141],"documented_gaps":null}