Revised solar extreme ultraviolet flux model

Details Revised solar extreme ultraviolet flux model Revised solar extreme ultraviolet flux model

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jatp...53.1005t&link_type=abstract

(Solar-terrestrial physics; International SCOSTEP Symposium, 7th, The Hague, Netherlands, June 25-30, 1990, Selected Papers. A92

Physics

175

Extreme Ultraviolet Radiation, Mathematical Models, Solar Flux, Chromosphere, Lyman Alpha Radiation, Regression Analysis, Solar Corona, Solar Spectra

Scientific paper

This study presents an extended and revised solar extreme UV irradiance model developed for aeronomical use during the 1990s. The extension significantly increases the application of the SERF2 solar EUV model beyond the October 1981-April 1989 time-frame. The model can now be used from 1947 to the present for coronal EUV full-disk irradiances and from 1976 to the present for chromospheric EUV full-disk irradiances. Substantial revisions to SERF2 were made which significantly improve the model's ability to reproduce observed 27-day and solar cycle EUV temporal variations. A multiple linear regression method is used to obtain coefficients for modeled EUV photon flux. The method allows for the inclusion of the new rocket and satellite datasets into the model as they become available. The results of the model give full-disk photon fluxes at 1 AU for 39 EUV wavelength groups and discrete lines between 1.8 and 105.0 nm for a given date. The OSO, AEROS, and AE satellite datasets used in the model's development are summarized, the modeling technique is described, the model formation is presented, and the comparisons of the model to the datasets are discussed.

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