Internal Structure of Stars

Joachim Köppen Kiel/Strasbourg March 2013

Warning: some of the features of this applet are not fully functional yet! Also, the opacity table is rather simple, so that radiative and convective equilibrium models are only very approximate!!

Some quick explanations of the applet's use:

Left hand buttons

T-Rho Plot Left hand Page Right hand buttons Right hand plots

For an example, here is the screen shot of the search for radiative equilibrium models for the Sun. Models that give both the mass and the radius of the Sun are found only in a small region of values for central temperature and density (reddish dots).

Here, we look in a smaller part of the central parameter space, in order to find models with low surface temperature. The gray dots indicate models whose temperature drops rapidly before the solar surface is reached.