The clustering of theSDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the anisotropic baryon acoustic oscillations with redshift weights
Abstract
We present an anisotropic analysis of baryon acoustic oscillation (BAO) signal from the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample. The sample consists of 147 000 quasars distributed over a redshift range of 0.8 < z < 2.2. We apply the redshift weights technique to the clustering of quasars in this sample and achieve a 4.6 per cent measurement of the angular distance measurement DM at z = 2.2 and Hubble parameter H at z = 0.8. We parametrize the distance-redshift relation, relative to a fiducial model, as a Taylor series. The coefficients of this expansion are used to reconstruct the distance-redshift relation and obtain distance and Hubble parameter measurements at all redshifts within the redshift range of the sample. Reporting the result at two characteristic redshifts, we determine DM(z = 1) = 3405 ± 305 (rd/rd, fid) Mpc, H(z=1) = 120.7± 7.3 (r_d,fid / r_d) km s^{-1} Mpc^{-1} and DM(z = 2) = 5325 ± 249 (rd/rd, fid) Mpc, H(z=2) = 189.9± 32.9 (r_d,fid / r_d) km s^{-1} Mpc^{-1}. These measurements are highly correlated. We assess the outlook of BAO analysis from the final quasar sample by testing the method onmore »
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- Yale Univ., New Haven, CT (United States)
- The Ohio State Univ., Columbus, OH (United States)
- Univ. of California, Berkeley, CA (United States)
- Univ. of Portsmouth (United Kingdom). Inst. of Cosmology, Gravitation
- Univ. of Portsmouth (United Kingdom). Inst. of Cosmology, Gravitation; Chinese Academy of Sciences (CAS), Beijing (China)
- Chinese Academy of Sciences (CAS), Beijing (China)
- Univ. Paris-Saclay, Gif-sur-Yvette (France)
- Sorbonne Universités, Paris (France); Université Pierre et Marie Curie, Paris (France)
- Univ. of Utah, Salt Lake City, UT (United States)
- Univ. of Portsmouth (United Kingdom). Inst. of Cosmology, Gravitation; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Apache Point Observatory, Sunspot, NM (United States)
- Universidad Nacional Autónoma de México (Mexico)
- Sejong Univ., Seoul (Korea, Republic of)
- Pennsylvania State Univ., University Park, PA (United States). Inst. for Gravitation and the Cosmos
- Univ. of St. Andrews, Scotland (United Kingdom)
- Publication Date:
- Research Org.:
- Univ. of California, Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
- OSTI Identifier:
- 1594729
- Alternate Identifier(s):
- OSTI ID: 1593672
- Grant/Contract Number:
- SC0017860; AC02-05CH11231; PHYS-1066293
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Monthly Notices of the Royal Astronomical Society
- Additional Journal Information:
- Journal Volume: 480; Journal Issue: 1; Journal ID: ISSN 0035-8711
- Publisher:
- Royal Astronomical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; dark energy; distance scale; cosmology: observations
Citation Formats
Zhu, Fangzhou, Padmanabhan, Nikhil, Ross, Ashley J., White, Martin, Percival, Will J., Ruggeri, Rossana, Zhao, Gong-bo, Wang, Dandan, Mueller, Eva-Maria, Burtin, Etienne, Gil-Marín, Héctor, Bautista, Julian, Beutler, Florian, Brinkmann, Jonathan, Brownstein, Joel R., Dawson, Kyle, de la Macorra, Axel, Rossi, Graziano, Schneider, Donald P., Tojeiro, Rita, and Wang, Yuting. The clustering of theSDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the anisotropic baryon acoustic oscillations with redshift weights. United States: N. p., 2018.
Web. doi:10.1093/mnras/sty1955.
Zhu, Fangzhou, Padmanabhan, Nikhil, Ross, Ashley J., White, Martin, Percival, Will J., Ruggeri, Rossana, Zhao, Gong-bo, Wang, Dandan, Mueller, Eva-Maria, Burtin, Etienne, Gil-Marín, Héctor, Bautista, Julian, Beutler, Florian, Brinkmann, Jonathan, Brownstein, Joel R., Dawson, Kyle, de la Macorra, Axel, Rossi, Graziano, Schneider, Donald P., Tojeiro, Rita, & Wang, Yuting. The clustering of theSDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the anisotropic baryon acoustic oscillations with redshift weights. United States. doi:https://doi.org/10.1093/mnras/sty1955
Zhu, Fangzhou, Padmanabhan, Nikhil, Ross, Ashley J., White, Martin, Percival, Will J., Ruggeri, Rossana, Zhao, Gong-bo, Wang, Dandan, Mueller, Eva-Maria, Burtin, Etienne, Gil-Marín, Héctor, Bautista, Julian, Beutler, Florian, Brinkmann, Jonathan, Brownstein, Joel R., Dawson, Kyle, de la Macorra, Axel, Rossi, Graziano, Schneider, Donald P., Tojeiro, Rita, and Wang, Yuting. Mon .
"The clustering of theSDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the anisotropic baryon acoustic oscillations with redshift weights". United States. doi:https://doi.org/10.1093/mnras/sty1955. https://www.osti.gov/servlets/purl/1594729.
@article{osti_1594729,
title = {The clustering of theSDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the anisotropic baryon acoustic oscillations with redshift weights},
author = {Zhu, Fangzhou and Padmanabhan, Nikhil and Ross, Ashley J. and White, Martin and Percival, Will J. and Ruggeri, Rossana and Zhao, Gong-bo and Wang, Dandan and Mueller, Eva-Maria and Burtin, Etienne and Gil-Marín, Héctor and Bautista, Julian and Beutler, Florian and Brinkmann, Jonathan and Brownstein, Joel R. and Dawson, Kyle and de la Macorra, Axel and Rossi, Graziano and Schneider, Donald P. and Tojeiro, Rita and Wang, Yuting},
abstractNote = {We present an anisotropic analysis of baryon acoustic oscillation (BAO) signal from the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample. The sample consists of 147 000 quasars distributed over a redshift range of 0.8 < z < 2.2. We apply the redshift weights technique to the clustering of quasars in this sample and achieve a 4.6 per cent measurement of the angular distance measurement DM at z = 2.2 and Hubble parameter H at z = 0.8. We parametrize the distance-redshift relation, relative to a fiducial model, as a Taylor series. The coefficients of this expansion are used to reconstruct the distance-redshift relation and obtain distance and Hubble parameter measurements at all redshifts within the redshift range of the sample. Reporting the result at two characteristic redshifts, we determine DM(z = 1) = 3405 ± 305 (rd/rd, fid) Mpc, H(z=1) = 120.7± 7.3 (r_d,fid / r_d) km s^{-1} Mpc^{-1} and DM(z = 2) = 5325 ± 249 (rd/rd, fid) Mpc, H(z=2) = 189.9± 32.9 (r_d,fid / r_d) km s^{-1} Mpc^{-1}. These measurements are highly correlated. We assess the outlook of BAO analysis from the final quasar sample by testing the method on a set of mocks that mimic the noise level in the final sample. We demonstrate on these mocks that redshift weighting shrinks the measurement error by over 25 per cent on average. We conclude redshift weighting can bring us closer to the cosmological goal of the final quasar sample.},
doi = {10.1093/mnras/sty1955},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 1,
volume = 480,
place = {United States},
year = {2018},
month = {7}
}
Web of Science
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Works referencing / citing this record:
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: a tomographic measurement of cosmic structure growth and expansion rate based on optimal redshift weights
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