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LISIRD supplied Composite Lyman Alpha

Published by LISIRD | National Aeronautics and Space Administration | Metadata Last Checked: April 20, 2026 | Last Modified: 2026-04-13
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.

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