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[ascl:1402.009] GalSim: Modular galaxy image simulation toolkit

GalSim is a fast, modular software package for simulation of astronomical images. Though its primary purpose is for tests of weak lensing analysis methods, it can be used for other purposes. GalSim allows galaxies and PSFs to be represented in a variety of ways, and can apply shear, magnification, dilation, or rotation to a galaxy profile including lensing-based models from a power spectrum or NFW halo profile. It can write images in regular FITS files, FITS data cubes, or multi-extension FITS files. It can also compress the output files using various compressions including gzip, bzip2, and rice. The user interface is in python or via configuration scripts, and the computations are done in C++ for speed.

Code site:
https://github.com/GalSim-developers/GalSim
Appears in:
http://adsabs.harvard.edu/abs/2013arXiv1308.4982M
Bibcode:
2014ascl.soft02009R

ascl:1402.009
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