The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space

Fabian Walter; Chris Carilli; Marcel Neeleman; Roberto Decarli; Gergoe Popping; Rachel S. Somerville; Manuel Aravena; Frank Bertoldi; Leindert Boogaard; Pierre Cox; Elisabete da Cunha; Benjamin Magnelli; Danail Obreschkow; Dominik Riechers; Hans-Walter Rix; Ian Smail; Axel Weiss; Roberto J. Assef; Franz Bauer; Rychard Bouwens; Thierry Contini; Paulo C. Cortes; Emanuele Daddi; Tanio Diaz-Santos; Jorge Gonzalez-Lopez; Joseph Hennawi; Jacqueline A. Hodge; Hanae Inami; Rob Ivison; Pascal Oesch; Mark Sargent; Paul van der Werf; Jeff Wagg; L. Y. Aaron Yung

doi:10.3847/1538-4357/abb82e

The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space

Fabian Walter^*
, Chris Carilli
, Marcel Neeleman
, Roberto Decarli
, Gergoe Popping
, Rachel S. Somerville
, Manuel Aravena
, Frank Bertoldi
, Leindert Boogaard
, Pierre Cox
, Elisabete da Cunha
, Benjamin Magnelli
, Danail Obreschkow
, Dominik Riechers
, Hans-Walter Rix
, Ian Smail
, Axel Weiss
, Roberto J. Assef
, Franz Bauer
, Rychard Bouwens

Thierry Contini, Paulo C. Cortes, Emanuele Daddi, Tanio Diaz-Santos, Jorge Gonzalez-Lopez, Joseph Hennawi, Jacqueline A. Hodge, Hanae Inami, Rob Ivison, Pascal Oesch, Mark Sargent, Paul van der Werf, Jeff Wagg, L. Y. Aaron Yung

^*Corresponding author for this work

The Cosmic Dawn Center

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

We combine the recent determination of the evolution of the cosmic density of molecular gas (H-2) using deep, volumetric surveys, with previous estimates of the cosmic density of stellar mass, star formation rate and atomic gas (Hi), to constrain the evolution of baryons associated with galaxies averaged over cosmic time and space. The cosmic Hiand H(2)densities are roughly equal atz similar to 1.5. The H(2)density then decreases by a factor

Original language	English
Article number	111
Journal	Astrophysical Journal
Volume	902
Issue number	2
Number of pages	15
ISSN	0004-637X
DOIs	https://doi.org/10.3847/1538-4357/abb82e
Publication status	Published - Oct 2020

Funding

We thank the referee for a very constructive report that helped to improve the paper. We thank Annalisa Pillepich and Andrea Ferrara for useful discussions. F.W. and M.N. acknowledge support from the ERC Advanced Grant 740246 (Cosmic_Gas). B.M. acknowledges support from the Collaborative Research Centre 956, sub-project A1, funded by the Deutsche Forschungsgemeinschaft (DFG)-project ID 184018867. T.D.-S. acknowledges support from the CASSACA and CONICYT fund CAS-CONICYT Call 2018. R.J.A. was supported by FONDECYT grant 1191124. D.R. acknowledges support from the National Science Foundation under grant numbers AST-1614213 and AST-1910107 and from the Alexander von Humboldt Foundation through a Humboldt Research Fellowship for Experienced Researchers. I.R.S. acknowledges support from STFC (ST/T000244/1). H.I. acknowledges support from JSPS KAKENHI grant No. JP19K23462. J.H. acknowledges support of the VIDI research program with project number 639.042.611, which is (partly) financed by the Netherlands Organisation for Scientific Research (NWO). D.O. is a recipient of an Australian Research Council Future Fellowship (FT190100083) funded by the Australian Government. This paper makes use of the following ALMA data: ADS/JAO.ALMA#2017.1.00118.S, ADS/JAO.ALMA#2015.1.01115.S. ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada), NSC and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO and NAOJ. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

Keywords

Galaxy evolution
High-redshift galaxies
Interstellar medium
Molecular gas
ALMA SPECTROSCOPIC SURVEY
LYMAN-ALPHA SYSTEMS
STAR-FORMING GALAXIES
CO LUMINOSITY FUNCTIONS
STELLAR MASS FUNCTION
H-I MASS
MOLECULAR-HYDROGEN
GAS ACCRETION
DARK-MATTER
BLACK-HOLES

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10.3847/1538-4357/abb82e

https://arxiv.org/abs/2009.11126Licence: CC BY-NC

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Cite this

Walter, F., Carilli, C., Neeleman, M., Decarli, R., Popping, G., Somerville, R. S., Aravena, M., Bertoldi, F., Boogaard, L., Cox, P., da Cunha, E., Magnelli, B., Obreschkow, D., Riechers, D., Rix, H.-W., Smail, I., Weiss, A., Assef, R. J., Bauer, F., ... Yung, L. Y. A. (2020). The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space. Astrophysical Journal, 902(2), Article 111. https://doi.org/10.3847/1538-4357/abb82e

Walter, F, Carilli, C, Neeleman, M, Decarli, R, Popping, G, Somerville, RS, Aravena, M, Bertoldi, F, Boogaard, L, Cox, P, da Cunha, E, Magnelli, B, Obreschkow, D, Riechers, D, Rix, H-W, Smail, I, Weiss, A, Assef, RJ, Bauer, F, Bouwens, R, Contini, T, Cortes, PC, Daddi, E, Diaz-Santos, T, Gonzalez-Lopez, J, Hennawi, J, Hodge, JA, Inami, H, Ivison, R, Oesch, P, Sargent, M, van der Werf, P, Wagg, J & Yung, LYA 2020, 'The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space', Astrophysical Journal, vol. 902, no. 2, 111. https://doi.org/10.3847/1538-4357/abb82e

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abstract = "We combine the recent determination of the evolution of the cosmic density of molecular gas (H-2) using deep, volumetric surveys, with previous estimates of the cosmic density of stellar mass, star formation rate and atomic gas (Hi), to constrain the evolution of baryons associated with galaxies averaged over cosmic time and space. The cosmic Hiand H(2)densities are roughly equal atz similar to 1.5. The H(2)density then decreases by a factor",

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AU - Somerville, Rachel S.

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AU - Bertoldi, Frank

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AU - Gonzalez-Lopez, Jorge

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AU - Hodge, Jacqueline A.

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