Journal articles
An empirical model of the variation of the solar Lyman-α spectral irradiance
Abstract : We propose a simple model that computes the spectral profile of the solar irradiance in the hydrogen Lyman alpha line, H Ly-α(121.567nm), from 1947 to present. Such a model is relevant for the study of many astronomical environments, from planetary atmospheres to interplanetary medium. This empirical model is based on the SOHO/SUMER observations of the Ly-α irradiance over Solar Cycle 23 and the Ly-α disk-integrated irradiance composite. The model reproduces the temporal variability of the spectral profile and matches the independent SORCE/SOLSTICE spectral observations from 2003 to 2007 with an accuracy better than 10%.
Cited literature [20 references]
https://hal-insu.archives-ouvertes.fr/insu-01719476
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Submitted on : Monday, June 25, 2018 - 9:37:40 AM
Last modification on : Tuesday, May 10, 2022 - 3:24:57 PM
Long-term archiving on: : Wednesday, September 26, 2018 - 1:30:46 PM
Contributor : Nathalie Pothier Connect in order to contact the contributor
Submitted on : Monday, June 25, 2018 - 9:37:40 AM
Last modification on : Tuesday, May 10, 2022 - 3:24:57 PM
Long-term archiving on: : Wednesday, September 26, 2018 - 1:30:46 PM
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