{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "NASA Space Physics Data Facility", "hasEmail": "mailto:NASA-SPDF-Support@nasa.onmicrosoft.com"}, "description": "This data product contains daily irradiance levels \\n(photons/s/cm**2) of solar Lyman alpha (121.5 nm) radiation from multiple \\nspacecraft and modelling sources, including AE-E/ESUM, SME/SUVM, \\nUARS/SOLSTICE, TIMED/SEE and SORCE/SOLSTICE spacecraft and F10.7 and Mg \\nmodels.  Data are available from 1947 to near-current, both graphically \\nand, in txt/csv format, digitally, from the LISIRD interface at \\nU.Colorado/LASP.", "identifier": "/SDE/SPASE_JSON/|d09ba3132289900fe0e2afbc6bc41cab", "keyword": ["irradiance"], "license": "https://www.usa.gov/government-works", "modified": "2026-04-13", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "LISIRD"}, "theme": ["Heliophysics"], "title": "LISIRD supplied Composite Lyman Alpha"}