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SLCosmo

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Cosmological parameter inference from samples of time delay lenses, initially in the context of the second Time Delay Challenge. In the simple TDC2 ensemble analysis, the inputs are expected to be samples drawn from PDFs for the time delays plus likelhood functions for the corresponding Fermat potential differences (as could, in principle, be provided by the lens modelers); the output in the TDC2 case is a sampled posterior PDF for the Hubble constant, H0.

Demo

  • Round Trip Test - put in an H0, generate a mock TDC2 submission, see if we can recover H0.

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This is open source software, available under the BSD license. If you are interested in this project, please do drop us a line via the hyperlinked contact names above, or by writing us an issue.

Installation, set-up and testing

From bash,

$ source <SLCosmo install directory>/setup/setup.sh
$ nosetests <SLCosmo install directory>

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Cosmological parameter inference from samples of time delay lenses

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