The solar-stellar connection

Details The solar-stellar connection The solar-stellar connection

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987s%26t....74..142g&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 74, Aug. 1987, p. 142-146.

Physics

Cool Stars, Dwarf Stars, Solar Physics, Stellar Physics, Satellite Observation, Solar Activity, Solar Magnetic Field, Stellar Structure

Scientific paper

The role of magnetic fields in the relation between solar and stellar theories is studied. The strength of a magnetic fields is related to the structure of a star's outer convection zone and stellar parameter such as rotation rate and surface gravity. The analyses of H and K emission lines of calcium for the sun and stars reveal the presence of plages and spots in both the sun and stars. The correlation between stellar winds, and coronal and chromospheric activity is investigated. It is determined that the magnetic field causes an interaction between a star's rotation and violent convective motions in its atmosphere. The magnetoacoustic hypothesis for heating the coronae is described. Research planned for the study of the solar-stellar relationship is discussed.

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