CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST
Abstract
This paper introduces cosmoDC2, a large synthetic galaxy catalog designed to support precision dark energy science with the Large Synoptic Survey Telescope (LSST). CosmoDC2 is the starting point for the second data challenge (DC2) carried out by the LSST Dark Energy Science Collaboration (LSST DESC). The catalog is based on a trillion-particle, 4.225 Gpc^3 box cosmological N-body simulation, the `Outer Rim' run. It covers 440 deg^2 of sky area to a redshift of z=3 and is complete to a magnitude depth of 28 in the r-band. Each galaxy is characterized by a multitude of properties including stellar mass, morphology, spectral energy distributions, broadband filter magnitudes, host halo information and weak lensing shear. The size and complexity of cosmoDC2 requires an efficient catalog generation methodology; our approach is based on a new hybrid technique that combines data-driven empirical approaches with semi-analytic galaxy modeling. A wide range of observation-based validation tests has been implemented to ensure that cosmoDC2 enables the science goals of the planned LSST DESC DC2 analyses. This paper also represents the official release of the cosmoDC2 data set, including an efficient reader that facilitates interaction with the data.
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- Publication Date:
- Research Org.:
- Univ. of California, Berkeley, CA (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); SLAC National Accelerator Lab., Menlo Park, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States). Argonne Leadership Computing Facility (ALCF)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
- Contributing Org.:
- The LSST Dark Energy Science Collaboration
- OSTI Identifier:
- 1593661
- Alternate Identifier(s):
- OSTI ID: 1599073; OSTI ID: 1634013; OSTI ID: 1755643
- Grant/Contract Number:
- SC0017860; SC0010118; SC0010008; AC02-06CH11357; HST-HF2-51441.001; NAS5-26555; AC02-05CH11231; AC02-76SF00515; PHY-1607611; AST-95-09298; AST-0071048; AST-0507428; AST-0507483; NNG04GC89G
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal. Supplement Series (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal. Supplement Series (Online); Journal Volume: 245; Journal Issue: 2; Journal ID: ISSN 1538-4365
- Publisher:
- American Astronomical Society/IOP
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; methods: numerical; large-scale structure of the universe
Citation Formats
Korytov, Danila, Hearin, Andrew, Kovacs, Eve, Larsen, Patricia, Rangel, Esteban, Hollowed, Joseph, Benson, Andrew J., Heitmann, Katrin, Mao, Yao-Yuan, Bahmanyar, Anita, Chang, Chihway, Campbell, Duncan, DeRose, Joseph, Finkel, Hal, Frontiere, Nicholas, Gawiser, Eric, Habib, Salman, Joachimi, Benjamin, Lanusse, François, Li, Nan, Mandelbaum, Rachel, Morrison, Christopher, Newman, Jeffrey A., Pope, Adrian, Rykoff, Eli, Simet, Melanie, To, Chun-Hao, Vikraman, Vinu, Wechsler, Risa H., and White, Martin. CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST. United States: N. p., 2019.
Web. doi:10.3847/1538-4365/ab510c.
Korytov, Danila, Hearin, Andrew, Kovacs, Eve, Larsen, Patricia, Rangel, Esteban, Hollowed, Joseph, Benson, Andrew J., Heitmann, Katrin, Mao, Yao-Yuan, Bahmanyar, Anita, Chang, Chihway, Campbell, Duncan, DeRose, Joseph, Finkel, Hal, Frontiere, Nicholas, Gawiser, Eric, Habib, Salman, Joachimi, Benjamin, Lanusse, François, Li, Nan, Mandelbaum, Rachel, Morrison, Christopher, Newman, Jeffrey A., Pope, Adrian, Rykoff, Eli, Simet, Melanie, To, Chun-Hao, Vikraman, Vinu, Wechsler, Risa H., & White, Martin. CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST. United States. https://doi.org/10.3847/1538-4365/ab510c
Korytov, Danila, Hearin, Andrew, Kovacs, Eve, Larsen, Patricia, Rangel, Esteban, Hollowed, Joseph, Benson, Andrew J., Heitmann, Katrin, Mao, Yao-Yuan, Bahmanyar, Anita, Chang, Chihway, Campbell, Duncan, DeRose, Joseph, Finkel, Hal, Frontiere, Nicholas, Gawiser, Eric, Habib, Salman, Joachimi, Benjamin, Lanusse, François, Li, Nan, Mandelbaum, Rachel, Morrison, Christopher, Newman, Jeffrey A., Pope, Adrian, Rykoff, Eli, Simet, Melanie, To, Chun-Hao, Vikraman, Vinu, Wechsler, Risa H., and White, Martin. Fri .
"CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST". United States. https://doi.org/10.3847/1538-4365/ab510c. https://www.osti.gov/servlets/purl/1593661.
@article{osti_1593661,
title = {CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST},
author = {Korytov, Danila and Hearin, Andrew and Kovacs, Eve and Larsen, Patricia and Rangel, Esteban and Hollowed, Joseph and Benson, Andrew J. and Heitmann, Katrin and Mao, Yao-Yuan and Bahmanyar, Anita and Chang, Chihway and Campbell, Duncan and DeRose, Joseph and Finkel, Hal and Frontiere, Nicholas and Gawiser, Eric and Habib, Salman and Joachimi, Benjamin and Lanusse, François and Li, Nan and Mandelbaum, Rachel and Morrison, Christopher and Newman, Jeffrey A. and Pope, Adrian and Rykoff, Eli and Simet, Melanie and To, Chun-Hao and Vikraman, Vinu and Wechsler, Risa H. and White, Martin},
abstractNote = {This paper introduces cosmoDC2, a large synthetic galaxy catalog designed to support precision dark energy science with the Large Synoptic Survey Telescope (LSST). CosmoDC2 is the starting point for the second data challenge (DC2) carried out by the LSST Dark Energy Science Collaboration (LSST DESC). The catalog is based on a trillion-particle, 4.225 Gpc^3 box cosmological N-body simulation, the `Outer Rim' run. It covers 440 deg^2 of sky area to a redshift of z=3 and is complete to a magnitude depth of 28 in the r-band. Each galaxy is characterized by a multitude of properties including stellar mass, morphology, spectral energy distributions, broadband filter magnitudes, host halo information and weak lensing shear. The size and complexity of cosmoDC2 requires an efficient catalog generation methodology; our approach is based on a new hybrid technique that combines data-driven empirical approaches with semi-analytic galaxy modeling. A wide range of observation-based validation tests has been implemented to ensure that cosmoDC2 enables the science goals of the planned LSST DESC DC2 analyses. This paper also represents the official release of the cosmoDC2 data set, including an efficient reader that facilitates interaction with the data.},
doi = {10.3847/1538-4365/ab510c},
journal = {The Astrophysical Journal. Supplement Series (Online)},
number = 2,
volume = 245,
place = {United States},
year = {2019},
month = {12}
}
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Ray-tracing through the Millennium Simulation: Born corrections and lens-lens coupling in cosmic shear and galaxy-galaxy lensing
text, January 2008
- Hilbert, S.; Hartlap, J.; White, S. D. M.
- arXiv
Constraints on the relationship between stellar mass and halo mass at low and high redshift
text, January 2009
- Moster, Benjamin P.; Somerville, Rachel S.; Maulbetsch, Christian
- arXiv
PRIMUS: The dependence of AGN accretion on host stellar mass and color
text, January 2011
- Aird, James; Coil, Alison L.; Moustakas, John
- arXiv
The Rockstar Phase-Space Temporal Halo Finder and the Velocity Offsets of Cluster Cores
text, January 2011
- Behroozi, Peter S.; Wechsler, Risa H.; Wu, Hao-Yi
- arXiv
The DEEP2 Galaxy Redshift Survey: Design, Observations, Data Reduction, and Redshifts
text, January 2012
- Newman, Jeffrey A.; Cooper, Michael C.; Davis, Marc
- arXiv
Intrinsic galaxy shapes and alignments I: Measuring and modelling COSMOS intrinsic galaxy ellipticities
text, January 2012
- Joachimi, B.; Semboloni, E.; Bett, P. E.
- arXiv
The Connection between Galaxies and Dark Matter Structures in the Local Universe
text, January 2012
- Reddick, Rachel M.; Wechsler, Risa H.; Tinker, Jeremy L.
- arXiv
Why Baryons Matter: The Kinematics of Dwarf Spheroidal Satellites
text, January 2012
- Brooks, Alyson M.; Zolotov, Adi
- arXiv
Coevolution (Or Not) of Supermassive Black Holes and Host Galaxies
text, January 2013
- Kormendy, John; Ho, Luis C.
- arXiv
The AGORA High-Resolution Galaxy Simulations Comparison Project
text, January 2013
- Kim, Ji-hoon; Abel, Tom; Agertz, Oscar
- arXiv
Calibration of semi-analytic models of galaxy formation using Particle Swarm Optimization
text, January 2013
- Ruiz, Andrés N.; Cora, Sofía A.; Padilla, Nelson D.
- arXiv
The MassiveBlack-II Simulation: The Evolution of Halos and Galaxies to z~0
text, January 2014
- Khandai, Nishikanta; Di Matteo, Tiziana; Croft, Rupert
- arXiv
Galaxy formation in the Planck Cosmology - I. Matching the observed evolution of star formation rates, colours and stellar masses
text, January 2014
- Henriques, Bruno; White, Simon; Thomas, Peter
- arXiv
HACC: Simulating Sky Surveys on State-of-the-Art Supercomputing Architectures
text, January 2014
- Habib, Salman; Pope, Adrian; Finkel, Hal
- arXiv
NIHAO project I: Reproducing the inefficiency of galaxy formation across cosmic time with a large sample of cosmological hydrodynamical simulations
text, January 2015
- Wang, Liang; Dutton, Aaron A.; Stinson, Gregory S.
- arXiv
SDSS-III Baryon Oscillation Spectroscopic Survey Data Release 12: galaxy target selection and large scale structure catalogues
preprint, January 2015
- Reid, Beth; Ho, Shirley; Padmanabhan, Nikhil
- arXiv
A unified multi-wavelength model of galaxy formation
text, January 2015
- Lacey, Cedric G.; Baugh, Carlton M.; Frenk, Carlos S.
- arXiv
Forward Modeling of Large-Scale Structure: An open-source approach with Halotools
text, January 2016
- Hearin, Andrew; Campbell, Duncan; Tollerud, Erik
- arXiv
PKDGRAV3: Beyond Trillion Particle Cosmological Simulations for the Next Era of Galaxy Surveys
preprint, January 2016
- Potter, Douglas; Stadel, Joachim; Teyssier, Romain
- arXiv
First Data Release of the Hyper Suprime-Cam Subaru Strategic Program
text, January 2017
- Aihara, Hiroaki; Armstrong, Robert; Bickerton, Steven
- arXiv
EMERGE - An empirical model for the formation of galaxies since $z\sim10$
text, January 2017
- Moster, Benjamin P.; Naab, Thorsten; White, Simon D. M.
- arXiv
Full-sky Gravitational Lensing Simulation for Large-area Galaxy Surveys and Cosmic Microwave Background Experiments
text, January 2017
- Takahashi, Ryuichi; Hamana, Takashi; Shirasaki, Masato
- arXiv
First results from the IllustrisTNG simulations: matter and galaxy clustering
text, January 2017
- Springel, Volker; Pakmor, Rüdiger; Pillepich, Annalisa
- arXiv
Dark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing
text, January 2017
- Collaboration, Des; Abbott, T. M. C.; Abdalla, F. B.
- arXiv
The Borg Cube Simulation: Cosmological Hydrodynamics with CRK-SPH
text, January 2018
- Emberson, J. D.; Frontiere, Nicholas; Habib, Salman
- arXiv
Galaxy Clusters in Hubble Volume Simulations: Cosmological Constraints from Sky Survey Populations
text, January 2001
- Evrard, A. E.; MacFarland, T. J.; Couchman, H. M. P.
- arXiv
The Halo Occupation Distribution and the Physics of Galaxy Formation
text, January 2002
- Berlind, Andreas A.; Weinberg, David H.; Benson, Andrew J.
- arXiv
Dust and Nebular Emission. I. Models for Normal Galaxies
text, January 2003
- Panuzzo, P.; Bressan, A.; Granato, G. L.
- arXiv
The Dark Side of the Halo Occupation Distribution
text, January 2003
- Kravtsov, Andrey V.; Berlind, Andreas A.; Wechsler, Risa H.
- arXiv
HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere
text, January 2004
- Gorski, K. M.; Hivon, E.; Banday, A. J.
- arXiv
The Hubble Ultra Deep Field
text, January 2006
- Beckwith, Steven V. W.; Stiavelli, Massimo; Koekemoer, Anton M.
- arXiv
Galaxy Evolution from Halo Occupation Distribution Modeling of DEEP2 and SDSS Galaxy Clustering
text, January 2007
- Zheng, Zheng; Coil, Alison L.; Zehavi, Idit
- arXiv
The Structure of Cold Dark Matter Halos
text, January 1995
- Navarro, Julio F.; Frenk, Carlos S.; White, Simon D. M.
- arXiv
Clustering of Galaxies in a Hierarchical Universe: I. Methods and Results at z=0
text, January 1998
- Kauffmann, Guinevere; Colberg, Joerg M.; Diaferio, Antonaldo
- arXiv
An Atlas of Monte Carlo Models of Dust Extinction in Galaxies for Cosmological Applications
text, January 1999
- Ferrara, A.; Bianchi, S.; Cimatti, A.
- arXiv