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DOE OSTI · 1828535

AbacusSummit Cleaned Halo Catalogs

Garrison, Lehman·Bose, Sownak·Eisenstein, Daniel·Hadzhiyska, Boryana·Yuan, Sihan
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Abstract

This is a data release from the AbacusSummit suite of cosmological N-body simulations. It contains dark matter halo catalogs and particle samples from those halos. The halo catalogs have been augmented (cleaned) using halo merger tree information. Descriptions of AbacusSummit, the cleaned halo catalogs, and instructions for manipulating these catalogs can be found at the following URL: abacussummit.readthedocs.io/ The halo catalog cleaning is structured as a set of auxiliary files that are ingested by the reader code at runtime. But this release contains both the original catalogs and the auxiliary files, thus forming a self-contained dataset. The files in this release are aggregated by redshift. We define sets of simulations (like all c000 sims or all hugebase sims), and then store one redshift from all simulations per tarball. This is designed to support the use-case where a user wants to analyze multiple simulations at a certain redshift.

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79 ASTRONOMY AND ASTROPHYSICScosmologylarge-scale structureN-body simulation

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Garrison, Lehman, Bose, Sownak, Eisenstein, Daniel, Hadzhiyska, Boryana, Yuan, Sihan. 2022-01-03. AbacusSummit Cleaned Halo Catalogs. https://doi.org/10.13139/olcf%2F1828535

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