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Title: Baryon acoustic oscillations in the projected cross-correlation function between the eBOSS DR16 quasars and photometric galaxies from the DESI Legacy Imaging Surveys

Abstract

We search for the baryon acoustic oscillations in the projected cross-correlation function binned into transverse comoving radius between the SDSS-IV DR16 eBOSS quasars and a dense photometric sample of galaxies selected from the DESI Legacy Imaging Surveys. We estimate the density of the photometric sample of galaxies in this redshift range to be about 2900 deg-2, which is deeper than the official DESI emission line galaxy selection, and the density of the spectroscopic sample is about 20 deg-2. In order to mitigate the systematics related to the use of different imaging surveys close to the detection limit, we use a neural network approach that accounts for complex dependences between the imaging attributes and the observed galaxy density. We find that we are limited by the depth of the imaging surveys that affects the density and purity of the photometric sample and its overlap in redshift with the quasar sample, which thus affects the performance of the method. When cross-correlating the photometric galaxies with quasars in the range 0.6 ≤ z ≤ 1.2, the cross-correlation function can provide better constraints on the comoving angular distance DM (6 percent precision) compared to the constraint on the spherically averaged distance DV (9 percent precision) obtained from themore » autocorrelation. Although not yet competitive, this technique will benefit from the arrival of deeper photometric data from upcoming surveys that will enable it to go beyond the current limitations we have identified in this work.« less

Authors:
 [1]; ORCiD logo [2];  [3]; ORCiD logo [4];  [5];  [6];  [7]; ORCiD logo [8];  [1];  [9];  [10];  [11];  [12];  [13];  [14];  [15];  [16];  [17];  [18]; ORCiD logo [2] more »;  [18]; ORCiD logo [3] « less
  1. Institute for Computational Cosmology, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK
  2. Department of Physics and Astronomy, Ohio University, 251B Clippinger Labs, Athens, OH 45701, USA
  3. Institute of Physics, Laboratory of Astrophysics, École Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, CH-1290 Versoix, Switzerland
  4. Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
  5. Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, UK
  6. National Optical Astronomy Observatory, 950 N. Cherry Ave., Tucson, AZ 85719, USA
  7. Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
  8. Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA
  9. Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA
  10. Harvard–Smithsonian Center for Astrophysics, 60 Garden St, Cambridge, MA 02138, USA
  11. Department of Physics, Southern Methodist University, 3215 Daniel Ave., Dallas, TX 75205, USA
  12. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
  13. Department of Physics and Astronomy, Siena College, 515 Loudon Road, Loudonville, NY 12211, USA
  14. Department of Physics and Astronomy, University of Wyoming, Laramie, WY 82071, USA
  15. Institute for Computational Cosmology, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK, Centre for Extragalactic Astronomy, Department of Physics, University of Durham, South Road, Durham DH1 3LE, UK
  16. Waterloo Centre for Astrophysics, University of Waterloo, 200 University Ave. W, Waterloo, ON N2L 3G1, Canada, Department of Physics and Astronomy, University of Waterloo, 200 University Ave. W, Waterloo, ON N2L 3G1, Canada
  17. Instituto de Astrofsica de Andaluca (CSIC), Glorieta de la Astronoma, s/n, E-18008 Granada, Spain
  18. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States); Ohio Univ., Athens, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); Science and Technology Facilities Council (STFC)
OSTI Identifier:
1829346
Alternate Identifier(s):
OSTI ID: 1830089; OSTI ID: 1870815; OSTI ID: 2290356
Grant/Contract Number:  
SC0014329; SC0019091; AC02-05CH11231; SC0019193; ST/P000541/1; ST/T000244/1; ST/K00042X/1; ST/P002293/1; ST/R002371/1; AST-0950945
Resource Type:
Published Article
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 503 Journal Issue: 2; Journal ID: ISSN 0035-8711
Publisher:
Oxford University Press
Country of Publication:
United Kingdom
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; cosmology observations; dark energy; distance scale

Citation Formats

Zarrouk, Pauline, Rezaie, Mehdi, Raichoor, Anand, Ross, Ashley J., Alam, Shadab, Blum, Robert, Brookes, David, Chuang, Chia-Hsun, Cole, Shaun, Dawson, Kyle S., Eisenstein, Daniel J., Kehoe, Robert, Landriau, Martin, Moustakas, John, Myers, Adam D., Norberg, Peder, Percival, Will J., Prada, Francisco, Schubnell, Michael, Seo, Hee-Jong, Tarlé, Gregory, and Zhao, Cheng. Baryon acoustic oscillations in the projected cross-correlation function between the eBOSS DR16 quasars and photometric galaxies from the DESI Legacy Imaging Surveys. United Kingdom: N. p., 2021. Web. doi:10.1093/mnras/stab298.
Zarrouk, Pauline, Rezaie, Mehdi, Raichoor, Anand, Ross, Ashley J., Alam, Shadab, Blum, Robert, Brookes, David, Chuang, Chia-Hsun, Cole, Shaun, Dawson, Kyle S., Eisenstein, Daniel J., Kehoe, Robert, Landriau, Martin, Moustakas, John, Myers, Adam D., Norberg, Peder, Percival, Will J., Prada, Francisco, Schubnell, Michael, Seo, Hee-Jong, Tarlé, Gregory, & Zhao, Cheng. Baryon acoustic oscillations in the projected cross-correlation function between the eBOSS DR16 quasars and photometric galaxies from the DESI Legacy Imaging Surveys. United Kingdom. https://doi.org/10.1093/mnras/stab298
Zarrouk, Pauline, Rezaie, Mehdi, Raichoor, Anand, Ross, Ashley J., Alam, Shadab, Blum, Robert, Brookes, David, Chuang, Chia-Hsun, Cole, Shaun, Dawson, Kyle S., Eisenstein, Daniel J., Kehoe, Robert, Landriau, Martin, Moustakas, John, Myers, Adam D., Norberg, Peder, Percival, Will J., Prada, Francisco, Schubnell, Michael, Seo, Hee-Jong, Tarlé, Gregory, and Zhao, Cheng. Tue . "Baryon acoustic oscillations in the projected cross-correlation function between the eBOSS DR16 quasars and photometric galaxies from the DESI Legacy Imaging Surveys". United Kingdom. https://doi.org/10.1093/mnras/stab298.
@article{osti_1829346,
title = {Baryon acoustic oscillations in the projected cross-correlation function between the eBOSS DR16 quasars and photometric galaxies from the DESI Legacy Imaging Surveys},
author = {Zarrouk, Pauline and Rezaie, Mehdi and Raichoor, Anand and Ross, Ashley J. and Alam, Shadab and Blum, Robert and Brookes, David and Chuang, Chia-Hsun and Cole, Shaun and Dawson, Kyle S. and Eisenstein, Daniel J. and Kehoe, Robert and Landriau, Martin and Moustakas, John and Myers, Adam D. and Norberg, Peder and Percival, Will J. and Prada, Francisco and Schubnell, Michael and Seo, Hee-Jong and Tarlé, Gregory and Zhao, Cheng},
abstractNote = {We search for the baryon acoustic oscillations in the projected cross-correlation function binned into transverse comoving radius between the SDSS-IV DR16 eBOSS quasars and a dense photometric sample of galaxies selected from the DESI Legacy Imaging Surveys. We estimate the density of the photometric sample of galaxies in this redshift range to be about 2900 deg-2, which is deeper than the official DESI emission line galaxy selection, and the density of the spectroscopic sample is about 20 deg-2. In order to mitigate the systematics related to the use of different imaging surveys close to the detection limit, we use a neural network approach that accounts for complex dependences between the imaging attributes and the observed galaxy density. We find that we are limited by the depth of the imaging surveys that affects the density and purity of the photometric sample and its overlap in redshift with the quasar sample, which thus affects the performance of the method. When cross-correlating the photometric galaxies with quasars in the range 0.6 ≤ z ≤ 1.2, the cross-correlation function can provide better constraints on the comoving angular distance DM (6 percent precision) compared to the constraint on the spherically averaged distance DV (9 percent precision) obtained from the autocorrelation. Although not yet competitive, this technique will benefit from the arrival of deeper photometric data from upcoming surveys that will enable it to go beyond the current limitations we have identified in this work.},
doi = {10.1093/mnras/stab298},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 2,
volume = 503,
place = {United Kingdom},
year = {Tue Feb 09 00:00:00 EST 2021},
month = {Tue Feb 09 00:00:00 EST 2021}
}

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