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[ascl:1304.006] CosmicEmuLog: Cosmological Power Spectra Emulator

CosmicEmuLog is a simple Python emulator for cosmological power spectra. In addition to the power spectrum of the conventional overdensity field, it emulates the power spectra of the log-density as well as the Gaussianized density. It models fluctuations in the power spectrum at each k as a linear combination of contributions from fluctuations in each cosmological parameter. The data it uses for emulation consist of ASCII files of the mean power spectrum, together with derivatives of the power spectrum with respect to the five cosmological parameters in the space spanned by the Coyote Universe suite. This data can also be used for Fisher matrix analysis. At present, CosmicEmuLog is restricted to redshift 0.

Code site:
http://skysrv.pha.jhu.edu/~neyrinck/CosmicEmuLog/
Used in:
http://adsabs.harvard.edu/abs/2011ApJ...742...91N
Bibcode:
2013ascl.soft04006N

Views: 1676

ascl:1304.006
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