The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the emission line galaxy sample from the anisotropic power spectrum between redshift 0.6 and 1.1

Journal Article · Thu Dec 17 00:00:00 EST 2020 · Monthly Notices of the Royal Astronomical Society

DOI:https://doi.org/10.1093/mnras/staa3891· OSTI ID:1831101

de Mattia, Arnaud ^[1]; Ruhlmann-Kleider, Vanina ^[1]; Raichoor, Anand ^[2]; Ross, Ashley J. ^[3]; Tamone, Amélie ^[2]; Zhao, Cheng ^[2]; Alam, Shadab ^[4]; Avila, Santiago ^[5]; Burtin, Etienne ^[1]; Bautista, Julian ^[6]; Beutler, Florian ^[7]; Brinkmann, Jonathan ^[8]; Brownstein, Joel R. ^[9]; Chapman, Michael J. ^[10]; Chuang, Chia-Hsun ^[11]; Comparat, Johan ^[12]; Bourboux, Hélion des ^[9]; Dawson, Kyle S. ^[9]; de la Macorra, Axel ^[13]; Gil-Marín, Héctor ^[14] ; Gonzalez-Perez, Violeta ^[15]; Gorgoni, Claudio ^[2]; Hou, Jiamin ^[12]; Kong, Hui ^[3]; Lin, Sicheng ^[16]; Nadathur, Seshadri ^[6]; Newman, Jeffrey A. ^[17]; Mueller, Eva-Maria ^[18]; Percival, Will J. ^[19]; Rezaie, Mehdi ^[20]; Rossi, Graziano ^[21]; Schneider, Donald P. ^[22]; Tiwari, Prabhakar ^[23]; Vivek, M. ^[24]; Wang, Yuting ^[23]; Zhao, Gong-Bo ^[25]

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1. IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
2. Institute of Physics, Laboratory of Astrophysics, École Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, 1290 Versoix, Switzerland
3. Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio, USA
4. Institute for Astronomy, University of Edinburgh, Royal Observatory, Edinburgh, EH9 3HJ, UK
5. Departamento de Física Teórica M8, Universidad Autónoma de Madrid, E-28049 Cantoblanco, Madrid, Spain; Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, 28049 Madrid, Spain
6. Institute of Cosmology, and Gravitation, Dennis Sciama Building, University of Portsmouth, Portsmouth, PO1 3FX, UK
7. Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, UK
8. Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA
9. Department Physics and Astronomy, University of Utah, 115 S 1400 E, Salt Lake City, UT 84112, USA
10. Waterloo Centre for Astrophysics, University of Waterloo, Waterloo, ON N2L 3G1, Canada; Department of Physics and Astronomy, University of Waterloo, Waterloo, ON N2L 3G1, Canada
11. Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA
12. Max-Planck-Institut für Extraterrestrische Physik, Postfach 1312, Giessenbachstr., 85748 Garching bei München, Germany
13. Instituto de Física, Universidad Nacional Autónoma de México, Apdo. Postal 20-364, Mexico
14. Institut de Ciències del Cosmos, Universitat de Barcelona, ICCUB, Martí i Franquès 1, E08028 Barcelona, Spain; Institut d’Estudis Espacials de Catalunya (IEEC), E08034 Barcelona, Spain
15. Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF, UK
16. Center for Cosmology and Particle Physics, Department of Physics, New York University, 726 Broadway, New York, NY 10003, USA
17. PITT PACC, Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA
18. Sub-department of Astrophysics, Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
19. Waterloo Centre for Astrophysics, University of Waterloo, Waterloo, ON N2L 3G1, Canada; Department of Physics and Astronomy, University of Waterloo, Waterloo, ON N2L 3G1, Canada; Perimeter Institute for Theoretical Physics, 31 Caroline St. North, Waterloo, ON N2L 2Y5, Canada
20. Department of Physics and Astronomy, Ohio University, 251B Clippinger Labs, Athens, OH 45701, USA
21. Department of Physics and Astronomy, Sejong University, Seoul 143-747, Korea
22. Institute for Gravitation and the Cosmos, The Pennsylvania State University, University Park, PA 16802, USA
23. National Astronomy Observatories, Chinese Academy of Science, Beijing, 100101, P.R. China
24. Indian Institute of Astrophysics, Koramangala, Bangalore 560034, India
25. National Astronomy Observatories, Chinese Academy of Science, Beijing, 100101, P.R. China; School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, P.R. China

We analyse the large-scale clustering in Fourier space of emission line galaxies (ELG) from the Data Release 16 of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey. The ELG sample contains 173,736 galaxies covering 1,170 square degrees in the redshift range 0.6 < z < 1.1. We perform a BAO measurement from the post-reconstruction power spectrum monopole, and study redshift space distortions (RSD) in the first three even multipoles. Furthermore, photometric variations yield fluctuations of both the angular and radial survey selection functions. Those are directly inferred from data, imposing integral constraints which we model consistently. The full data set has only a weak preference for a BAO feature (1.4σ). At the effective redshift zeff = 0.845 we measure $$D_{\rm V}(z_{\rm eff})/r_{\rm drag} = 18.33_{-0.62}^{+0.57}$$, with DV the volume-averaged distance and rdrag the comoving sound horizon at the drag epoch. In combination with the RSD measurement, at zeff = 0.85 we find $$f\sigma _8(z_{\rm eff}) = 0.289_{-0.096}^{+0.085}$$, with f the growth rate of structure and σ8 the normalisation of the linear power spectrum, $$D_{\rm H}(z_{\rm eff})/r_{\rm drag} = 20.0_{-2.2}^{+2.4}$$ and DM(zeff)/rdrag = 19.17 ± 0.99 with DH and DM the Hubble and comoving angular distances, respectively. These results are in agreement with those obtained in configuration space, thus allowing a consensus measurement of fσ8(zeff) = 0.315 ± 0.095, $$D_{\rm H}(z_{\rm eff})/r_{\rm drag} = 19.6_{-2.1}^{+2.2}$$ and DM(zeff)/rdrag = 19.5 ± 1.0. This measurement is consistent with a flat ΛCDM model with Planck parameters.

• Research Organization: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP)
• Contributing Organization: SDSS Collaboration
• Grant/Contract Number: AC02-05CH11231
• OSTI ID: 1831101
• Journal Information: Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Journal Issue: 4 Vol. 501; ISSN 0035-8711
• Publisher: Royal Astronomical Society
• Country of Publication: United States
• Language: English

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79 ASTRONOMY AND ASTROPHYSICS
cosmology: observations
dark energy
distance scale
galaxies: distances and redshifts
large-scale structure of Universe