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Clustering of galaxies around quasars at z ∼ 4

Published online by Cambridge University Press:  04 June 2020

Cristina García-Vergara Open the ORCID record for Cristina García-Vergara [Opens in a new window] ,
Joseph F. Hennawi ,
L. Felipe Barrientos  and
Fabrizio Arrigoni Battaia
Cristina García-Vergara
Affiliation:
Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden, The Netherlands Instituto de Astrofísica, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Santiago, Chile Max-Planck Institut für Astronomie (MPIA), Königstuhl 17, D-69117 Heidelberg, Germany
Joseph F. Hennawi
Affiliation:
Max-Planck Institut für Astronomie (MPIA), Königstuhl 17, D-69117 Heidelberg, Germany Department of Physics, University of California, Santa Barbara, CA 93106, USA
L. Felipe Barrientos
Affiliation:
Instituto de Astrofísica, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Santiago, Chile
Fabrizio Arrigoni Battaia
Affiliation:
Max-Planck Institut für Astrophysik (MPA), Karl-Schwarzschild-Str. 1, 85741 Garching bei München, Germany
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Abstract

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We conduct a survey for Lyman break galaxies (LBGs) and Lyman alpha emitters (LAEs) in the environs of six and 17 z ∼ 4 quasars respectively, probing scales of R≲9h−1Mpc. We detect an enhancement of galaxies (both LBGs and LAEs) in quasar fields, a positive and strong quasar-galaxy cross-correlation function, consistent with a power-law shape, and a strong galaxy auto-correlation function in quasar fields. The three mentioned results are all indicators that quasars trace massive dark matter halos in the early universe.

Keywords

galaxies: activegalaxies: high-redshiftgalaxies: quasars: generalcosmology: large-scale structure of universecosmology: early universe.
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S352: Uncovering Early Galaxy Evolution in the ALMA and JWST Era , June 2019 , pp. 171 - 173
Copyright
© International Astronomical Union 2020

References

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