Template:ASTR508/Assignment6

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Following the derivation in class, calculate the pressure at the surface of an isothermal core as a function of the radius of the core including the effects of electron degeneracy. Use units of the envelope pressure times . That is on the vertical axis you will have

where

and on the horizontal axis you will have . Try several values of .

Hints: First choose , (say ) and plot as a function of . What is in equilibrium? How can you figure out ? How can you fix ?