Surface effects of a magnetic field on p-modes: two layer atmosphere

Details Surface effects of a magnetic field on p-modes: two layer atmosphere Surface effects of a magnetic field on p-modes: two layer atmosphere

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...286..254j&link_type=abstract

Astronomy and Astrophysics 286, 254-262 (1994)

Astronomy and Astrophysics

Astrophysics

16

Sun: Chromosphere, Sun: Magnetic Field, Sun: Oscillation

Scientific paper

The effects of chromospheric canopy fields on p-mode frequencies are evaluated for a two layer model atmosphere. The convection zone is field-free, while the chromosphere contains a magnetic field which is uniform up to a certain height after which it decreases with height. Frequency shifts due to simultaneous changes in chromospheric field strengths and temperatures are calculated numerically. The frequency shifts increase or decrease as a function of frequency, depending upon the thickness of the middle region.

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