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Catalogue POP – Notice individuelle de publication

Boyer René, Heristchi Djamshid

A method for rebuilding blended solar lines

Solar Physics, 2004, vol. 223, pp. 27-38

Référence DOI : 10.1007/s11207-004-1301-x
Référence ADS : 2004SoPh..223...27B

Résumé :

We propose a process for calculating water vapor absorption in solar radiation transmission through the atmosphere, in order to rebuild a true solar line profile, blended with telluric lines, with very good accuracy. First, we calculated a transmission profile using a spectroscopic data base. We then deduced the corrected line parameters by comparing the computed and observed profiles. An iterative method was applied to a solar spectral region around 1083 nm recorded at Kitt Peak. We showed that a relatively good fit may be obtained using an approximate atmospheric model and a simplifying assumption whereby all atmospheric, instrumental, and spectroscopic uncertainties are artificially assigned to the line parameters.

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