Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..875a&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, July-Aug. 1987, p. 875, 876. In Russian.
Astronomy and Astrophysics
Astronomy
Brightness Distribution, Radio Spectra, Solar Eclipses, Solar Prominences, Solar Spectra, Spectrum Analysis, Calcium, Centimeter Waves, H Alpha Line, Stellar Spectrophotometry, Visible Spectrum
Scientific paper
It is shown that the prominence brightness distribution at a wavelength of 1.35 cm is in better agreement with the Ca II-line brightness distribution than with that of the H-alpha line. The prominence was both active and long-lived. It is suggested that shock excitation is the underlying mechanism in the Ca II line, while H-alpha emission involves a radiative mechanism.
Apushkinskij G. P.
Smirnova O. B.
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