The response of the line KI 7699 to the solar oscillations

Details The response of the line KI 7699 to the solar oscillations The response of the line KI 7699 to the solar oscillations

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.220..191m&link_type=abstract

In ESA The Hydromagnetics of the Sun p 191-194 (SEE N85-25091 14-92)

Physics

6

Solar Oscillations, Solar Spectra, Gravity Waves, Red Shift, Solar Atmosphere, Velocity Distribution

Scientific paper

The time behavior of the KI 7699 line profile in presence of acoustic-gravity waves with periods of 300, 180, and 30 sec was studied. The response of the line to the waves depends strongly on the period and is not linear for the 30 sec wave. The height increase of the amplitude in the longer period waves explains the observed anticorrelation between line asymmetry and line core shift. The time averaged profile for the 30 sec wave has a red shifted line core. This could account for the lowest part of the C shaped solar bisectors.

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