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Probing the sparse tails of redshift distributions

Contributors: bengranett


Tailz is a code for estimating the redshift distributions of photometric samples of galaxies. It uses a Voronoi tessellation density estimator to interpolate the distribution and performs well even in the tails.


The article describing the algorithm is now on arXiv.



Download the current version of TailZ from the project repository.

Tailz may be installed in your user account with:

python install --user

See more in the install guide. Tailz was developed with python2.7 and is not compatible with python3.

The following python packages must also be installed:

Read more about these dependencies.

What to cite

If you use the software please cite one of the following.


The software is made available under the MIT License (MIT). Refer to LICENSE.txt .