How the CMB anisotropy changes with cosmological parameters
These short clips illustrate how the CMB anisotropy on the sky changes
under variation of cosmological parameters. (As will be obvious, I made these on one of
those Saturday mornings where there is nothing more urgent to do. If
you want the real thing with many more varying parameters, I would go
to
Max Tegmark's page) On the abszissa are the values of the multipole number $l$, the ordinate is \Delta T^2 in mikro Kelvin. For a description of the conventions, go here.
Click on one of the cosmological parameter names to see the effect. The fiducial model is Lambda=0.72, dark matter contribution (to total)=0.24, baryonic contribution=0.04, no tilt, reionization optical depth=0.12, as suggested by the a compilation of current CMB data. Those experiments (error bars shown in the plot) are the major contributors to the effective chi^2.
