The Clustering of High-redshift (2.9 ≤ $$z$$ ≤ 5.1) Quasars in SDSS Stripe 82
Abstract
We present a measurement of the two-point autocorrelation function of photometrically selected high-$$z$$ quasars over ~100 deg2 on the Sloan Digital Sky Survey Stripe 82 field. Selection is performed using three machine-learning algorithms in a six-dimensional optical/mid-infrared color space. Optical data from the Sloan Digital Sky Survey are combined with overlapping deep mid-infrared data from the $Spitzer$ IRAC Equatorial Survey and the $Spitzer$-HETDEX Exploratory Large-Area survey. Our selection algorithms are trained on the colors of known high-$$z$$ quasars. The selected quasar sample consists of 1378 objects and contains both spectroscopically confirmed quasars and photometrically selected quasar candidates. These objects span a redshift range of 2.9 ≤ $$z$$ ≤ 5.1 and are generally fainter than $$i$$ = 20.2, a regime that has lacked sufficient number density to perform autocorrelation function measurements of photometrically classified quasars. We compute the angular correlation function of these data, marginally detecting quasar clustering. We fit a single power law with an index of $$δ$$ = 1.39 ± 0.618 and amplitude of $$θ_0$$ = 0$$^{\prime}_{.}$$71 ± 0$$^{\prime}_{.}$$546 . A dark matter model is fit to the angular correlation function to estimate the linear bias. At the average redshift of our survey ($$\langle z\rangle =3.38$$), the bias is $$b$$ = 6.78 ± 1.79. Using this bias, we calculate a characteristic dark matter halo mass of 1.70–9.83$$\times {10}^{12}{h}^{-1}\,{M}_{\odot }$$. Our bias estimate suggests that quasar feedback intermittently shuts down the accretion of gas onto the central supermassive black hole at early times. If confirmed, these results hint at a level of luminosity dependence in the clustering of quasars at high-$$z$$.
- Authors:
-
[1];
[1];
[4];
[5];
[7];
[8]
- Drexel Univ., Philadelphia, PA (United States). Dept. of Physics
- Univ. of Edinburgh, Scotland (United Kingdom). Inst. of Astronomy
- Univ. of Wyoming, Laramie, WY (United States). Dept. of Physics and Astronomy
- Instituto de Astrofísica and Centro de Astroingeniería, Facultad de Física, (Chile); Millennium Institute of Astrophysics (MAS), Santiago (Chile); Space Science Inst., Boulder, CO (United States)
- National Radio Astronomy Observatory, Charlottesville, VA (United States)
- Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy; Pennsylvania State Univ., University Park, PA (United States). Inst. for Gravitation and the Cosmos
- NASA Goddard Inst. for Space Studies (GISS), New York, NY (United States)
- Johns Hopkins Univ., Baltimore, MD (United States). Department of Physics and Astronomy
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1544058
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal (Online); Journal Volume: 859; Journal Issue: 1; Journal ID: ISSN 1538-4357
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics
Citation Formats
Timlin, John D., Ross, Nicholas P., Richards, Gordon T., Myers, Adam D., Pellegrino, Andrew, Bauer, Franz E., Lacy, Mark, Schneider, Donald P., Wollack, Edward J., and Zakamska, Nadia L. The Clustering of High-redshift (2.9 ≤ $z$ ≤ 5.1) Quasars in SDSS Stripe 82. United States: N. p., 2018.
Web. doi:10.3847/1538-4357/aab9ac.
Timlin, John D., Ross, Nicholas P., Richards, Gordon T., Myers, Adam D., Pellegrino, Andrew, Bauer, Franz E., Lacy, Mark, Schneider, Donald P., Wollack, Edward J., & Zakamska, Nadia L. The Clustering of High-redshift (2.9 ≤ $z$ ≤ 5.1) Quasars in SDSS Stripe 82. United States. https://doi.org/10.3847/1538-4357/aab9ac
Timlin, John D., Ross, Nicholas P., Richards, Gordon T., Myers, Adam D., Pellegrino, Andrew, Bauer, Franz E., Lacy, Mark, Schneider, Donald P., Wollack, Edward J., and Zakamska, Nadia L. Thu .
"The Clustering of High-redshift (2.9 ≤ $z$ ≤ 5.1) Quasars in SDSS Stripe 82". United States. https://doi.org/10.3847/1538-4357/aab9ac. https://www.osti.gov/servlets/purl/1544058.
@article{osti_1544058,
title = {The Clustering of High-redshift (2.9 ≤ $z$ ≤ 5.1) Quasars in SDSS Stripe 82},
author = {Timlin, John D. and Ross, Nicholas P. and Richards, Gordon T. and Myers, Adam D. and Pellegrino, Andrew and Bauer, Franz E. and Lacy, Mark and Schneider, Donald P. and Wollack, Edward J. and Zakamska, Nadia L.},
abstractNote = {We present a measurement of the two-point autocorrelation function of photometrically selected high-$z$ quasars over ~100 deg2 on the Sloan Digital Sky Survey Stripe 82 field. Selection is performed using three machine-learning algorithms in a six-dimensional optical/mid-infrared color space. Optical data from the Sloan Digital Sky Survey are combined with overlapping deep mid-infrared data from the $Spitzer$ IRAC Equatorial Survey and the $Spitzer$-HETDEX Exploratory Large-Area survey. Our selection algorithms are trained on the colors of known high-$z$ quasars. The selected quasar sample consists of 1378 objects and contains both spectroscopically confirmed quasars and photometrically selected quasar candidates. These objects span a redshift range of 2.9 ≤ $z$ ≤ 5.1 and are generally fainter than $i$ = 20.2, a regime that has lacked sufficient number density to perform autocorrelation function measurements of photometrically classified quasars. We compute the angular correlation function of these data, marginally detecting quasar clustering. We fit a single power law with an index of $δ$ = 1.39 ± 0.618 and amplitude of $θ_0$ = 0$^{\prime}_{.}$71 ± 0$^{\prime}_{.}$546 . A dark matter model is fit to the angular correlation function to estimate the linear bias. At the average redshift of our survey ($\langle z\rangle =3.38$), the bias is $b$ = 6.78 ± 1.79. Using this bias, we calculate a characteristic dark matter halo mass of 1.70–9.83$\times {10}^{12}{h}^{-1}\,{M}_{\odot }$. Our bias estimate suggests that quasar feedback intermittently shuts down the accretion of gas onto the central supermassive black hole at early times. If confirmed, these results hint at a level of luminosity dependence in the clustering of quasars at high-$z$.},
doi = {10.3847/1538-4357/aab9ac},
journal = {The Astrophysical Journal (Online)},
number = 1,
volume = 859,
place = {United States},
year = {Thu May 17 00:00:00 EDT 2018},
month = {Thu May 17 00:00:00 EDT 2018}
}
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Clustering of obscured and unobscured quasars in the Bootes field: Placing rapidly growing black holes in the cosmic web
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The Baryon Oscillation Spectroscopic Survey of SDSS-III
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The z=5 Quasar Luminosity Function from SDSS Stripe 82
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- arXiv
Cross-Correlation of SDSS DR7 Quasars and DR10 BOSS Galaxies: The Weak Luminosity Dependence of Quasar Clustering at z~0.5
text, January 2012
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The Sloan Digital Sky Survey quasar catalog: tenth data release
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Measuring the luminosity and virial black hole mass dependence of quasar-galaxy clustering at z ~ 0.8
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Planck 2015 results. XIII. Cosmological parameters
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The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data
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Clustering of quasars in a wide luminosity range at redshift 4 with Subaru Hyper Suprime-Cam wide field imaging
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Clustering of quasars in SDSS-IV eBOSS : study of potential systematics and bias determination
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Photometric Redshifts of Quasars
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Stable clustering, the halo model and nonlinear cosmological power spectra
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Cosmic Evolution of Quasar Clustering: Implications for the Host Haloes
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The 2dF QSO Redshift Survey - XIV. Structure and evolution from the two-point correlation function
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Mid-Infrared Selection of Active Galaxies
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Hectospec, the MMT's 300 Optical Fiber-Fed Spectrograph
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The James Webb Space Telescope
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The route to massive black hole formation via merger-driven direct collapse: a review
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Downsizing of star formation measured from the clustered infrared background correlated with quasars
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A high baryon fraction in massive haloes at z ∼ 3
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Black versus Dark: Rapid Growth of Supermassive Black Holes in Dark Matter Halos at z ∼ 6
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