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Article overview
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The Illustris Simulation: Public Data Release | Dylan Nelson
; Annalisa Pillepich
; Shy Genel
; Mark Vogelsberger
; Volker Springel
; Paul Torrey
; Vicente Rodriguez-Gomez
; Debora Sijacki
; Gregory F. Snyder
; Brendan Griffen
; Federico Marinacci
; Laura Blecha
; Laura Sales
; Dandan Xu
; Lars Hernquist
; | Date: |
1 Apr 2015 | Abstract: | We present the full public release of all data from the Illustris simulation
project. Illustris is a suite of large volume, cosmological hydrodynamical
simulations run with the moving-mesh code Arepo and including a comprehensive
set of physical models critical for following the formation and evolution of
galaxies across cosmic time. Each simulates a volume of (106.5 Mpc)^3 and
self-consistently evolves five different types of resolution elements from a
starting redshift of z=127 to the present day, z=0. These components are: dark
matter particles, gas cells, passive gas tracers, stars and stellar wind
particles, and supermassive black holes. This data release includes the
snapshots at all 136 available redshifts, halo and subhalo catalogs at each
snapshot, and two distinct merger trees. Six primary realizations of the
Illustris volume are released, including the flagship Illustris-1 run. These
include three resolution levels with the fiducial "full" baryonic physics
model, and a dark matter only analog for each. In addition, we provide four
distinct, high time resolution, smaller volume "subboxes". The total data
volume is ~265 TB, including ~800 full volume snapshots and ~30,000 subbox
snapshots. This paper describes the released data products as well as tools we
have developed for their analysis. All data may be directly downloaded in its
native HDF5 format. Additionally, we release a comprehensive, web-based API
which allows programmatic access to search and data processing tasks. In both
cases we provide example scripts and a getting-started guide in several
languages: currently, IDL, Python, and Matlab. Finally, this paper addresses
scientific issues relevant for the interpretation of the simulations, serves as
a pointer to published and on-line documentation of the project, describes
planned future additional data releases, and comments on technical aspects of
the release. | Source: | arXiv, 1504.0362 | Services: | Forum | Review | PDF | Favorites |
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