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[ascl:1505.017] HALOGEN: Approximate synthetic halo catalog generator

HALOGEN generates approximate synthetic halo catalogs. Written in C, it decomposes the problem of generating cosmological tracer distributions (eg. halos) into four steps: generating an approximate density field, generating the required number of tracers from a CDF over mass, placing the tracers on field particles according to a bias scheme dependent on local density, and assigning velocities to the tracers based on velocities of local particles. It also implements a default set of four models for these steps. HALOGEN uses 2LPTic (ascl:1201.005) and CUTE (ascl:1505.016); the software is flexible and can be adapted to varying cosmologies and simulation specifications.

Code site:
https://github.com/savila/halogen
Appears in:
http://adsabs.harvard.edu/abs/2015MNRAS.450.1856A
Bibcode:
2015ascl.soft05017A

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ascl:1505.017
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