A search for continuous ultraviolet opacity sources in the Sun's photosphere

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1973 Italy English Publisher:Springer Science and Business Media LLCJournal:Solar Physics, volume 29, pages 287-297 (issn: 0038-0938, eissn: 1573-093X,

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Authors: LANDI DEGL'INNOCENTI, EGIDIO; NOCI, GIANCARLO;

doi: 10.1007/bf00150806

handle: 2158/647263

A search for continuous ultraviolet opacity sources in the Sun's photosphere

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Abstract

Experimental results on limb darkening and specific intensities imply more ultraviolet continuous opacity than that predicted by theoretical calculations. Some atomic and molecular processes, not yet studied from this standpoint are investigated as to their importance on the continuous absorption coefficient. The negative results obtained suggest some arguments about the importance of iron as photo-absorber.

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Italy

Related Organizations

National Institute for Astrophysics
Italy
University of Florence
Italy
Arcetri Astrophysical Observatory
Italy

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