First Light And Reionization Epoch Simulations (FLARES) - I. Environmental dependence of high-redshift galaxy evolution. Lovell, C. C., Vijayan, A. P., Thomas, P. A., Wilkins, S. M., Barnes, D. J., Irodotou, D., & Roper, W. Monthly Notices of the Royal Astronomical Society, 500:2127–2145, January, 2021. ![First Light And Reionization Epoch Simulations (FLARES) - I. Environmental dependence of high-redshift galaxy evolution [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We introduce the First Light And Reionisation Epoch Simulations (FLARES), a suite of zoom simulations using the EAGLE model. We resimulate a range of overdensities during the Epoch of Reionization (EoR) in order to build composite distribution functions, as well as explore the environmental dependence of galaxy formation and evolution during this critical period of galaxy assembly. The regions are selected from a large $(3.2 {\}, {\}mathrm\{cGpc\}){\textasciicircum}\{3\}$ parent volume, based on their overdensity within a sphere of radius 14 h-1 cMpc. We then resimulate with full hydrodynamics, and employ a novel weighting scheme that allows the construction of composite distribution functions that are representative of the full parent volume. This significantly extends the dynamic range compared to smaller volume periodic simulations. We present an analysis of the galaxy stellar mass function (GSMF), the star formation rate distribution function (SFRF), and the star-forming sequence (SFS) predicted by FLARES, and compare to a number of observational and model constraints. We also analyse the environmental dependence over an unprecedented range of overdensity. Both the GSMF and the SFRF exhibit a clear double-Schechter form, up to the highest redshifts (z = 10). We also find no environmental dependence of the SFS normalization. The increased dynamic range probed by FLARES will allow us to make predictions for a number of large area surveys that will probe the EoR in coming years, carried out on new observatories such as Roman and Euclid.
@article{lovell_first_2021,
title = {First {Light} {And} {Reionization} {Epoch} {Simulations} ({FLARES}) - {I}. {Environmental} dependence of high-redshift galaxy evolution},
volume = {500},
issn = {0035-8711},
url = {http://adsabs.harvard.edu/abs/2021MNRAS.500.2127L},
doi = {10.1093/mnras/staa3360},
abstract = {We introduce the First Light And Reionisation Epoch Simulations
(FLARES), a suite of zoom simulations using the EAGLE model. We
resimulate a range of overdensities during the Epoch of Reionization
(EoR) in order to build composite distribution functions, as well as
explore the environmental dependence of galaxy formation and evolution
during this critical period of galaxy assembly. The regions are selected
from a large \$(3.2 {\textbackslash}, {\textbackslash}mathrm\{cGpc\}){\textasciicircum}\{3\}\$ parent volume, based on
their overdensity within a sphere of radius 14 h-1 cMpc. We
then resimulate with full hydrodynamics, and employ a novel weighting
scheme that allows the construction of composite distribution functions
that are representative of the full parent volume. This significantly
extends the dynamic range compared to smaller volume periodic
simulations. We present an analysis of the galaxy stellar mass function
(GSMF), the star formation rate distribution function (SFRF), and the
star-forming sequence (SFS) predicted by FLARES, and compare to a number
of observational and model constraints. We also analyse the
environmental dependence over an unprecedented range of overdensity.
Both the GSMF and the SFRF exhibit a clear double-Schechter form, up to
the highest redshifts (z = 10). We also find no environmental dependence
of the SFS normalization. The increased dynamic range probed by FLARES
will allow us to make predictions for a number of large area surveys
that will probe the EoR in coming years, carried out on new
observatories such as Roman and Euclid.},
urldate = {2021-01-14},
journal = {Monthly Notices of the Royal Astronomical Society},
author = {Lovell, Christopher C. and Vijayan, Aswin P. and Thomas, Peter A. and Wilkins, Stephen M. and Barnes, David J. and Irodotou, Dimitrios and Roper, Will},
month = jan,
year = {2021},
keywords = {Astrophysics - Astrophysics of Galaxies, galaxies: abundances, galaxies: evolution, galaxies: high-redshift},
pages = {2127--2145},
}
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We resimulate a range of overdensities during the Epoch of Reionization (EoR) in order to build composite distribution functions, as well as explore the environmental dependence of galaxy formation and evolution during this critical period of galaxy assembly. The regions are selected from a large $(3.2 {\\}, {\\}mathrm\\{cGpc\\}){\\textasciicircum}\\{3\\}$ parent volume, based on their overdensity within a sphere of radius 14 h-1 cMpc. We then resimulate with full hydrodynamics, and employ a novel weighting scheme that allows the construction of composite distribution functions that are representative of the full parent volume. This significantly extends the dynamic range compared to smaller volume periodic simulations. We present an analysis of the galaxy stellar mass function (GSMF), the star formation rate distribution function (SFRF), and the star-forming sequence (SFS) predicted by FLARES, and compare to a number of observational and model constraints. We also analyse the environmental dependence over an unprecedented range of overdensity. Both the GSMF and the SFRF exhibit a clear double-Schechter form, up to the highest redshifts (z = 10). We also find no environmental dependence of the SFS normalization. The increased dynamic range probed by FLARES will allow us to make predictions for a number of large area surveys that will probe the EoR in coming years, carried out on new observatories such as Roman and Euclid.","urldate":"2021-01-14","journal":"Monthly Notices of the Royal Astronomical Society","author":[{"propositions":[],"lastnames":["Lovell"],"firstnames":["Christopher","C."],"suffixes":[]},{"propositions":[],"lastnames":["Vijayan"],"firstnames":["Aswin","P."],"suffixes":[]},{"propositions":[],"lastnames":["Thomas"],"firstnames":["Peter","A."],"suffixes":[]},{"propositions":[],"lastnames":["Wilkins"],"firstnames":["Stephen","M."],"suffixes":[]},{"propositions":[],"lastnames":["Barnes"],"firstnames":["David","J."],"suffixes":[]},{"propositions":[],"lastnames":["Irodotou"],"firstnames":["Dimitrios"],"suffixes":[]},{"propositions":[],"lastnames":["Roper"],"firstnames":["Will"],"suffixes":[]}],"month":"January","year":"2021","keywords":"Astrophysics - Astrophysics of Galaxies, galaxies: abundances, galaxies: evolution, galaxies: high-redshift","pages":"2127–2145","bibtex":"@article{lovell_first_2021,\n\ttitle = {First {Light} {And} {Reionization} {Epoch} {Simulations} ({FLARES}) - {I}. {Environmental} dependence of high-redshift galaxy evolution},\n\tvolume = {500},\n\tissn = {0035-8711},\n\turl = {http://adsabs.harvard.edu/abs/2021MNRAS.500.2127L},\n\tdoi = {10.1093/mnras/staa3360},\n\tabstract = {We introduce the First Light And Reionisation Epoch Simulations \n(FLARES), a suite of zoom simulations using the EAGLE model. We\nresimulate a range of overdensities during the Epoch of Reionization\n(EoR) in order to build composite distribution functions, as well as\nexplore the environmental dependence of galaxy formation and evolution\nduring this critical period of galaxy assembly. The regions are selected\nfrom a large \\$(3.2 {\\textbackslash}, {\\textbackslash}mathrm\\{cGpc\\}){\\textasciicircum}\\{3\\}\\$ parent volume, based on\ntheir overdensity within a sphere of radius 14 h-1 cMpc. We\nthen resimulate with full hydrodynamics, and employ a novel weighting\nscheme that allows the construction of composite distribution functions\nthat are representative of the full parent volume. This significantly\nextends the dynamic range compared to smaller volume periodic\nsimulations. We present an analysis of the galaxy stellar mass function\n(GSMF), the star formation rate distribution function (SFRF), and the\nstar-forming sequence (SFS) predicted by FLARES, and compare to a number\nof observational and model constraints. We also analyse the\nenvironmental dependence over an unprecedented range of overdensity.\nBoth the GSMF and the SFRF exhibit a clear double-Schechter form, up to\nthe highest redshifts (z = 10). We also find no environmental dependence\nof the SFS normalization. The increased dynamic range probed by FLARES\nwill allow us to make predictions for a number of large area surveys\nthat will probe the EoR in coming years, carried out on new\nobservatories such as Roman and Euclid.},\n\turldate = {2021-01-14},\n\tjournal = {Monthly Notices of the Royal Astronomical Society},\n\tauthor = {Lovell, Christopher C. and Vijayan, Aswin P. and Thomas, Peter A. and Wilkins, Stephen M. and Barnes, David J. and Irodotou, Dimitrios and Roper, Will},\n\tmonth = jan,\n\tyear = {2021},\n\tkeywords = {Astrophysics - Astrophysics of Galaxies, galaxies: abundances, galaxies: evolution, galaxies: high-redshift},\n\tpages = {2127--2145},\n}\n\n","author_short":["Lovell, C. C.","Vijayan, A. P.","Thomas, P. A.","Wilkins, S. M.","Barnes, D. 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