Convectively stabilised background solar models for local helioseismology

Details Convectively stabilised background solar models for local helioseismology Convectively stabilised background solar models for local helioseismology

2010-02-09

arxiv.org/abs/1002.1969v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

3 pages, 3 figures, HELAS NA3, The Acoustic Solar Cycle, Birmingham, 6-8 January 2009

Scientific paper

In local helioseismology numerical simulations of wave propagation are useful to model the interaction of solar waves with perturbations to a background solar model. However, the solution to the equations of motions include convective modes that can swamp the waves we are interested in. For this reason, we choose to first stabilise the background solar model against convection by altering the vertical pressure gradient. Here we compare the eigenmodes of our convectively stabilised model with a standard solar model (Model S) and find a good agreement.

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