Coronae of Cool Stars

Details Coronae of Cool Stars Coronae of Cool Stars

May 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971ap%26ss..11..284d&link_type=abstract

Astrophysics and Space Science, Volume 11, Issue 2, pp.284-287

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

With the hypothesis generally adopted as responsible for the heating of the solar corona an attempt was made to predict the coronal temperature for a few cool stars. Stars with effective temperatures between 2500K and 3700K, with logg-values of 3 or 4, appear to have coronal temperatures only 600 to 25000K higher thanT eff. In order to determine the possibility of coronal heating caused by sound waves we made a comparison between the frequency of the sound waves and the cut-off frequencies.

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