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Response Functions (2)<br />
RFs have the role of partial derivatives<br />
of the Stokes profiles<br />
with respect to the physical quaantities<br />
of the model<br />
atmosphere:<br />
In words:<br />
If x k is modified by a unit perturb bation in a restricted<br />
neighborhood around τ0, then thhe<br />
values of Rk around τ0 give<br />
us the ensuing variation of the SStokes<br />
vector.<br />
Response function units are invverse<br />
of their corresponding<br />
quantities (e.g RFs to temperatuure<br />
have units K-1 )<br />
A. Lagg - Abisko Winter School 14
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