Spectrophotometry of prominences in the phase preceding decay

Details Spectrophotometry of prominences in the phase preceding decay Spectrophotometry of prominences in the phase preceding decay

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974amap.nasa...75r&link_type=abstract

"In its Astrometrics and Astrophysics, No. 17 (NASA-TT-F-15768) p 75-109 (SEE N75-21164 12-88) Transl. into ENGLISH from the bo

Astronomy and Astrophysics

Astrophysics

Line Spectra, Solar Prominences, Spectral Emission, Spectrophotometry, Decay, Doppler Effect, Emission Spectra, Luminous Intensity, Spectral Line Width

Scientific paper

The results are presented of spectrophotometric processing of prominence spectra in both the quiet and the decay phases. A catalog was compiled of equivalent widths, central intensities, Doppler half-widths, and half-widths of emission lines. The reduced Doppler half-widths of D3 and of the H, K Ca(+) lines obtained in a prominence active phase are much larger than those obtained during a quiet phase. Comparison of the equivalent widths and central intensities of Halpha, Hbeta hydrogen and D3 helium lines shows that the values increase in the active phase for the D3 lines and decrease for the Halpha, Hbeta lines.

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