The CAMELS Project: Public Data Release

Author:

Villaescusa-Navarro FranciscoORCID,Genel ShyORCID,Anglés-Alcázar DanielORCID,Perez Lucia A.ORCID,Villanueva-Domingo PabloORCID,Wadekar DigvijayORCID,Shao HelenORCID,Mohammad Faizan G.ORCID,Hassan SultanORCID,Moser EmilyORCID,Lau Erwin T.ORCID,Machado Poletti Valle Luis FernandoORCID,Nicola Andrina,Thiele LeanderORCID,Jo YongseokORCID,Philcox Oliver H. E.ORCID,Oppenheimer Benjamin D.ORCID,Tillman MeganORCID,Hahn ChangHoonORCID,Kaushal NeeravORCID,Pisani AliceORCID,Gebhardt Matthew,Delgado Ana Maria,Caliendo JoyceORCID,Kreisch ChristinaORCID,Wong Kaze W. K.ORCID,Coulton William R.ORCID,Eickenberg Michael,Parimbelli GabrieleORCID,Ni Yueying,Steinwandel Ulrich P.ORCID,La Torre Valentina,Dave RomeelORCID,Battaglia Nicholas,Nagai DaisukeORCID,Spergel David N.ORCID,Hernquist LarsORCID,Burkhart BlakesleyORCID,Narayanan DesikaORCID,Wandelt BenjaminORCID,Somerville Rachel S.ORCID,Bryan Greg L.ORCID,Viel MatteoORCID,Li YinORCID,Irsic VidORCID,Kraljic KatarinaORCID,Marinacci FedericoORCID,Vogelsberger MarkORCID

Abstract

Abstract The Cosmology and Astrophysics with Machine Learning Simulations (CAMELS) project was developed to combine cosmology with astrophysics through thousands of cosmological hydrodynamic simulations and machine learning. CAMELS contains 4233 cosmological simulations, 2049 N-body simulations, and 2184 state-of-the-art hydrodynamic simulations that sample a vast volume in parameter space. In this paper, we present the CAMELS public data release, describing the characteristics of the CAMELS simulations and a variety of data products generated from them, including halo, subhalo, galaxy, and void catalogs, power spectra, bispectra, Lyα spectra, probability distribution functions, halo radial profiles, and X-rays photon lists. We also release over 1000 catalogs that contain billions of galaxies from CAMELS-SAM: a large collection of N-body simulations that have been combined with the Santa Cruz semianalytic model. We release all the data, comprising more than 350 terabytes and containing 143,922 snapshots, millions of halos, galaxies, and summary statistics. We provide further technical details on how to access, download, read, and process the data at https://camels.readthedocs.io.

Publisher

American Astronomical Society

Subject

Space and Planetary Science,Astronomy and Astrophysics

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