Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies

Zhu, Hanjue; Avestruz, Camille; Gnedin, Nickolay Y.

doi:10.3847/1538-4357/ab3794

Title: Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies

Abstract

We examine the reionization history of present-day galaxies by explicitly tracing the building blocks of halos from the Cosmic Reionization On Computers project. We track dark matter particles that belong to $z=0$ halos to trace the neutral fractions at corresponding positions during rapid global reionization. The resulting particle reionization histories allow us to explore different definitions of a halo's reionization redshift and to account for the neutral content of the interstellar medium. Consistent with previous work, we find a systematic trend of reionization redshift with mass - present day halos with higher masses have earlier reionization times. Finally, we quantify the spread of reionization times within each halo, which also has a mass dependence.

Authors:

^[1];

^[2]; Gnedin, Nickolay Y. ^[3]

Univ. of Chicago, IL (United States)
Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics; Univ. of Chicago, IL (United States). Enrico Fermi Inst.
Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics; Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Particle Astrophysics Center

Publication Date:: 2019-09-13

Research Org.:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF); Heising-Simons Foundation

OSTI Identifier:: 1545115

Report Number(s):: arXiv:1903.06179; FERMILAB-PUB-19-166-A
Journal ID: ISSN 1538-4357; oai:inspirehep.net:1725212

Grant/Contract Number:: AC02-07CH11359; AC02-06CH11357; NNX17AK65G

Resource Type:: Accepted Manuscript

Journal Name:: The Astrophysical Journal (Online)

Additional Journal Information:: Journal Name: The Astrophysical Journal (Online); Journal Volume: 882; Journal Issue: 2; Journal ID: ISSN 1538-4357

Publisher:: Institute of Physics (IOP)

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; dark ages; reionization; first stars; galaxies: high-redshift; methods: numerical

Citation Formats


                    Zhu, Hanjue, Avestruz, Camille, and Gnedin, Nickolay Y. Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies.  United States: N. p., 2019. 
Web.  doi:10.3847/1538-4357/ab3794.

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                    Zhu, Hanjue, Avestruz, Camille, & Gnedin, Nickolay Y. Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies.  United States.  https://doi.org/10.3847/1538-4357/ab3794

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                    Zhu, Hanjue, Avestruz, Camille, and Gnedin, Nickolay Y. Fri .  
"Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies".  United States.  https://doi.org/10.3847/1538-4357/ab3794.  https://www.osti.gov/servlets/purl/1545115.

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@article{osti_1545115,

  title        = {Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies},

  author       = {Zhu, Hanjue and Avestruz, Camille and Gnedin, Nickolay Y.},

  abstractNote = {We examine the reionization history of present-day galaxies by explicitly tracing the building blocks of halos from the Cosmic Reionization On Computers project. We track dark matter particles that belong to $z=0$ halos to trace the neutral fractions at corresponding positions during rapid global reionization. The resulting particle reionization histories allow us to explore different definitions of a halo's reionization redshift and to account for the neutral content of the interstellar medium. Consistent with previous work, we find a systematic trend of reionization redshift with mass - present day halos with higher masses have earlier reionization times. Finally, we quantify the spread of reionization times within each halo, which also has a mass dependence.},

  doi          = {10.3847/1538-4357/ab3794},

  journal      = {The Astrophysical Journal (Online)},

  number       = 2,

  volume       = 882,

  place        = {United States},

  year         = {2019},

  month        = {9}

}

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Title: Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies

Abstract

Citation Formats

PHOTOMETRIC CONSTRAINTS ON THE REDSHIFT OF z ∼ 10 CANDIDATE UDFj-39546284 FROM DEEPER WFC3/IR+ACS+IRAC OBSERVATIONS OVER THE HUDF journal, February 2013

Missing Satellites Problem: Completeness Corrections to the Number of Satellite Galaxies in the Milky Way are Consistent with Cold Dark Matter Predictions journal, November 2018

Effects of Baryons and Dissipation on the Matter Power Spectrum journal, January 2008

The Impact of Inhomogeneous Reionization on the Satellite Galaxy Population of the Milky way journal, January 2010

Constrained Simulations of the Real Universe. II. Observational Signatures of Intergalactic Gas in the Local Supercluster Region journal, June 2002

The Inhomogeneous Reionization Times of Present-day Galaxies journal, March 2018

The Evolution of the Galaxy Rest-Frame Ultraviolet Luminosity Function over the First two Billion Years journal, September 2015

HOP: A New Group‐finding Algorithm for N ‐Body Simulations journal, May 1998

Cosmology at low frequencies: The 21cm transition and the high-redshift Universe journal, October 2006

Cosmic Reionization on Computers. i. Design and Calibration of Simulations journal, September 2014

HST Follow-up Observations of Two Bright z ∼ 8 Candidate Galaxies from the BoRG Pure-parallel Survey journal, July 2018

UV LUMINOSITY FUNCTIONS AT REDSHIFTS z ∼ 4 TO z ∼ 10: 10,000 GALAXIES FROM HST LEGACY FIELDS journal, April 2015

Local Group ultra-faint dwarf galaxies in the reionization era journal, March 2017

Directly Observing the Galaxies Likely Responsible for Reionization journal, January 2017

The Effects of Patchy Reionization on Satellite Galaxies of the Milky way journal, January 2012

Connecting Reionization to the Local Universe journal, September 2009

Reionization and Cosmology with 21-cm Fluctuations journal, August 2010

Small-Scale Challenges to the Λ CDM Paradigm journal, August 2017

How low does it go? Too few Galactic satellites with standard reionization quenching journal, July 2019

A new multifield determination of the galaxy luminosity function at z = 7–9 incorporating the 2012 Hubble Ultra-Deep Field imaging journal, May 2013

COSMIC REIONIZATION AND EARLY STAR-FORMING GALAXIES: A JOINT ANALYSIS OF NEW CONSTRAINTS FROM PLANCK AND THE HUBBLE SPACE TELESCOPE journal, April 2015

yt: A MULTI-CODE ANALYSIS TOOLKIT FOR ASTROPHYSICAL SIMULATION DATA journal, December 2010

Cosmic Reionization on Computers. ii. Reionization History and its Back-Reaction on Early Galaxies journal, September 2014

Reionization Histories of Milky way mass Halos journal, April 2014

Constraints on early star formation from the 21-cm global signal journal, July 2018

On the Density of Neutral Hydrogen in Intergalactic Space. journal, November 1965

The Inhomogeneous Reionization Times of Present-day Galaxies text, January 2018

Reionization and Cosmology with 21 cm Fluctuations text, January 2009

A Multi-Code Analysis Toolkit for Astrophysical Simulation Data text, January 2010

A new multi-field determination of the galaxy luminosity function at z=7-9 incorporating the 2012 Hubble Ultra Deep Field imaging text, January 2012

Reionization Histories of Milky Way Mass Halos text, January 2013

Cosmic Reionization On Computers I. Design and Calibration of Simulations text, January 2014

Cosmic Reionization On Computers II. Reionization History and Its Back Reaction on Early Galaxies text, January 2014

Local Group Ultra-Faint Dwarf Galaxies in the Reionization Era text, January 2017

HST followup observations of two bright z ~ 8 candidate galaxies from the BoRG pure-parallel survey text, January 2018

Effects of Baryons and Dissipation on the Matter Power Spectrum text, January 2007

PHOTOMETRIC CONSTRAINTS ON THE REDSHIFT OF z ∼ 10 CANDIDATE UDFj-39546284 FROM DEEPER WFC3/IR+ACS+IRAC OBSERVATIONS OVER THE HUDF
journal, February 2013

Missing Satellites Problem: Completeness Corrections to the Number of Satellite Galaxies in the Milky Way are Consistent with Cold Dark Matter Predictions
journal, November 2018

Effects of Baryons and Dissipation on the Matter Power Spectrum
journal, January 2008

The Impact of Inhomogeneous Reionization on the Satellite Galaxy Population of the Milky way
journal, January 2010

Constrained Simulations of the Real Universe. II. Observational Signatures of Intergalactic Gas in the Local Supercluster Region
journal, June 2002

The Inhomogeneous Reionization Times of Present-day Galaxies
journal, March 2018

The Evolution of the Galaxy Rest-Frame Ultraviolet Luminosity Function over the First two Billion Years
journal, September 2015

HOP: A New Group‐finding Algorithm for N ‐Body Simulations
journal, May 1998

Cosmology at low frequencies: The 21cm transition and the high-redshift Universe
journal, October 2006

Cosmic Reionization on Computers. i. Design and Calibration of Simulations
journal, September 2014

HST Follow-up Observations of Two Bright z ∼ 8 Candidate Galaxies from the BoRG Pure-parallel Survey
journal, July 2018

UV LUMINOSITY FUNCTIONS AT REDSHIFTS z ∼ 4 TO z ∼ 10: 10,000 GALAXIES FROM HST LEGACY FIELDS
journal, April 2015

Local Group ultra-faint dwarf galaxies in the reionization era
journal, March 2017

Directly Observing the Galaxies Likely Responsible for Reionization
journal, January 2017

The Effects of Patchy Reionization on Satellite Galaxies of the Milky way
journal, January 2012

Connecting Reionization to the Local Universe
journal, September 2009

Reionization and Cosmology with 21-cm Fluctuations
journal, August 2010

Small-Scale Challenges to the Λ CDM Paradigm
journal, August 2017

How low does it go? Too few Galactic satellites with standard reionization quenching
journal, July 2019

A new multifield determination of the galaxy luminosity function at z = 7–9 incorporating the 2012 Hubble Ultra-Deep Field imaging
journal, May 2013

COSMIC REIONIZATION AND EARLY STAR-FORMING GALAXIES: A JOINT ANALYSIS OF NEW CONSTRAINTS FROM PLANCK AND THE HUBBLE SPACE TELESCOPE
journal, April 2015

yt: A MULTI-CODE ANALYSIS TOOLKIT FOR ASTROPHYSICAL SIMULATION DATA
journal, December 2010

Cosmic Reionization on Computers. ii. Reionization History and its Back-Reaction on Early Galaxies
journal, September 2014

Reionization Histories of Milky way mass Halos
journal, April 2014

Constraints on early star formation from the 21-cm global signal
journal, July 2018

On the Density of Neutral Hydrogen in Intergalactic Space.
journal, November 1965

The Inhomogeneous Reionization Times of Present-day Galaxies
text, January 2018

Reionization and Cosmology with 21 cm Fluctuations
text, January 2009

A Multi-Code Analysis Toolkit for Astrophysical Simulation Data
text, January 2010

A new multi-field determination of the galaxy luminosity function at z=7-9 incorporating the 2012 Hubble Ultra Deep Field imaging
text, January 2012

Reionization Histories of Milky Way Mass Halos
text, January 2013

Cosmic Reionization On Computers I. Design and Calibration of Simulations
text, January 2014

Cosmic Reionization On Computers II. Reionization History and Its Back Reaction on Early Galaxies
text, January 2014

Local Group Ultra-Faint Dwarf Galaxies in the Reionization Era
text, January 2017

HST followup observations of two bright z ~ 8 candidate galaxies from the BoRG pure-parallel survey
text, January 2018

Effects of Baryons and Dissipation on the Matter Power Spectrum
text, January 2007