The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Ly$$α$$ Forests
Abstract
Here, we present a measurement of baryonic acoustic oscillations (BAO) from Lyman-α (Lyα) absorption and quasars at an effective redshift $z = 2.33$ using the complete extended Baryonic Oscillation Spectroscopic Survey (eBOSS). The sixteenth and final eBOSS data release (SDSS DR16) contains all data from eBOSS and its predecessor, the Baryonic Oscillation Spectroscopic Survey (BOSS), providing 210,005 quasars with $$z_q > 2.10$$ that are used to measure Lyα absorption. We measure the BAO scale both in the auto-correlation of Ly$$α$$ absorption and in its cross correlation with 341,468 quasars with redshift $$z_q > 1.77$$. Apart from the statistical gain from new quasars and deeper observations, the main improvements over previous work come from more accurate modeling of physical and instrumental correlations and the use of new sets of mock data. Combining the BAO measurement from the auto- and cross-correlation yields the constraints of the two ratios $$D_H(z = 2.33)/r_d = 8.99 ± 0.19$$ and $$D_M(z = 2.33)/r_d = 37.5 ± 1.1$$, where the error bars are statistical. These results are within $1.5σ$ of the prediction of the flat-ΛCDM cosmology of Planck (2016). The analysis code, picca, the catalog of the flux-transmission field measurements, and the $$Δ\chi^2$$ surfaces are publicly available.
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- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); French National Research Agency (ANR); Science and Technology Facilities Council (STFC); Alfred P. Sloan Foundation
- Contributing Org.:
- Sloan Digital Sky Survey IV; eBOSS Collaboration
- OSTI Identifier:
- 1706589
- Report Number(s):
- BNL-220583-2020-JAAM
Journal ID: ISSN 1538-4357; TRN: US2204594
- Grant/Contract Number:
- SC0012704; SC0009959; ST/N003853/1; ANR- 14-ACHN-0021; ANR-16-CE31-0021; AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal (Online); Journal Volume: 901; Journal Issue: 2; Journal ID: ISSN 1538-4357
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; cosmology; dark energy; large-scale structure; baryon; acoustic; oscillations; BAO; quasar
Citation Formats
du Mas des Bourboux, Hélion, Rich, James, Font-Ribera, Andreu, de Sainte Agathe, Victoria, Farr, James, Etourneau, Thomas, Le Goff, Jean-Marc, Cuceu, Andrei, Balland, Christophe, Bautista, Julian E., Blomqvist, Michael, Brinkmann, Jonathan, Brownstein, Joel R., Chabanier, Solène, Chaussidon, Edmond, Dawson, Kyle, González-Morales, Alma X., Guy, Julien, Lyke, Brad W., de la Macorra, Axel, Mueller, Eva-Maria, Myers, Adam D., Nitschelm, Christian, Gutiérrez, Andrea Muñoz, Palanque-Delabrouille, Nathalie, Parker, James, Percival, Will J., Pérez-Ràfols, Ignasi, Petitjean, Patrick, Pieri, Matthew M., Ravoux, Corentin, Rossi, Graziano, Schneider, Donald P., Seo, Hee-Jong, Slosar, Anže, Stermer, Julianna, Vivek, M., Yèche, Christophe, and Youles, Samantha. The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Ly$α$ Forests. United States: N. p., 2020.
Web. doi:10.3847/1538-4357/abb085.
du Mas des Bourboux, Hélion, Rich, James, Font-Ribera, Andreu, de Sainte Agathe, Victoria, Farr, James, Etourneau, Thomas, Le Goff, Jean-Marc, Cuceu, Andrei, Balland, Christophe, Bautista, Julian E., Blomqvist, Michael, Brinkmann, Jonathan, Brownstein, Joel R., Chabanier, Solène, Chaussidon, Edmond, Dawson, Kyle, González-Morales, Alma X., Guy, Julien, Lyke, Brad W., de la Macorra, Axel, Mueller, Eva-Maria, Myers, Adam D., Nitschelm, Christian, Gutiérrez, Andrea Muñoz, Palanque-Delabrouille, Nathalie, Parker, James, Percival, Will J., Pérez-Ràfols, Ignasi, Petitjean, Patrick, Pieri, Matthew M., Ravoux, Corentin, Rossi, Graziano, Schneider, Donald P., Seo, Hee-Jong, Slosar, Anže, Stermer, Julianna, Vivek, M., Yèche, Christophe, & Youles, Samantha. The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Ly$α$ Forests. United States. https://doi.org/10.3847/1538-4357/abb085
du Mas des Bourboux, Hélion, Rich, James, Font-Ribera, Andreu, de Sainte Agathe, Victoria, Farr, James, Etourneau, Thomas, Le Goff, Jean-Marc, Cuceu, Andrei, Balland, Christophe, Bautista, Julian E., Blomqvist, Michael, Brinkmann, Jonathan, Brownstein, Joel R., Chabanier, Solène, Chaussidon, Edmond, Dawson, Kyle, González-Morales, Alma X., Guy, Julien, Lyke, Brad W., de la Macorra, Axel, Mueller, Eva-Maria, Myers, Adam D., Nitschelm, Christian, Gutiérrez, Andrea Muñoz, Palanque-Delabrouille, Nathalie, Parker, James, Percival, Will J., Pérez-Ràfols, Ignasi, Petitjean, Patrick, Pieri, Matthew M., Ravoux, Corentin, Rossi, Graziano, Schneider, Donald P., Seo, Hee-Jong, Slosar, Anže, Stermer, Julianna, Vivek, M., Yèche, Christophe, and Youles, Samantha. Mon .
"The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Ly$α$ Forests". United States. https://doi.org/10.3847/1538-4357/abb085. https://www.osti.gov/servlets/purl/1706589.
@article{osti_1706589,
title = {The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Ly$α$ Forests},
author = {du Mas des Bourboux, Hélion and Rich, James and Font-Ribera, Andreu and de Sainte Agathe, Victoria and Farr, James and Etourneau, Thomas and Le Goff, Jean-Marc and Cuceu, Andrei and Balland, Christophe and Bautista, Julian E. and Blomqvist, Michael and Brinkmann, Jonathan and Brownstein, Joel R. and Chabanier, Solène and Chaussidon, Edmond and Dawson, Kyle and González-Morales, Alma X. and Guy, Julien and Lyke, Brad W. and de la Macorra, Axel and Mueller, Eva-Maria and Myers, Adam D. and Nitschelm, Christian and Gutiérrez, Andrea Muñoz and Palanque-Delabrouille, Nathalie and Parker, James and Percival, Will J. and Pérez-Ràfols, Ignasi and Petitjean, Patrick and Pieri, Matthew M. and Ravoux, Corentin and Rossi, Graziano and Schneider, Donald P. and Seo, Hee-Jong and Slosar, Anže and Stermer, Julianna and Vivek, M. and Yèche, Christophe and Youles, Samantha},
abstractNote = {Here, we present a measurement of baryonic acoustic oscillations (BAO) from Lyman-α (Lyα) absorption and quasars at an effective redshift $z = 2.33$ using the complete extended Baryonic Oscillation Spectroscopic Survey (eBOSS). The sixteenth and final eBOSS data release (SDSS DR16) contains all data from eBOSS and its predecessor, the Baryonic Oscillation Spectroscopic Survey (BOSS), providing 210,005 quasars with $z_q > 2.10$ that are used to measure Lyα absorption. We measure the BAO scale both in the auto-correlation of Ly$α$ absorption and in its cross correlation with 341,468 quasars with redshift $z_q > 1.77$. Apart from the statistical gain from new quasars and deeper observations, the main improvements over previous work come from more accurate modeling of physical and instrumental correlations and the use of new sets of mock data. Combining the BAO measurement from the auto- and cross-correlation yields the constraints of the two ratios $D_H(z = 2.33)/r_d = 8.99 ± 0.19$ and $D_M(z = 2.33)/r_d = 37.5 ± 1.1$, where the error bars are statistical. These results are within $1.5σ$ of the prediction of the flat-ΛCDM cosmology of Planck (2016). The analysis code, picca, the catalog of the flux-transmission field measurements, and the $Δ\chi^2$ surfaces are publicly available.},
doi = {10.3847/1538-4357/abb085},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 901,
place = {United States},
year = {Mon Oct 05 00:00:00 EDT 2020},
month = {Mon Oct 05 00:00:00 EDT 2020}
}
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- The Astrophysical Journal, Vol. 863, Issue 1
Generating mock data sets for large-scale Lyman-α forest correlation measurements
journal, January 2012
- Font-Ribera, Andreu; McDonald, Patrick; Miralda-Escudé, Jordi
- Journal of Cosmology and Astroparticle Physics, Vol. 2012, Issue 01
The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: measuring DA and H at z = 0.57 from the baryon acoustic peak in the Data Release 9 spectroscopic Galaxy sample
journal, January 2014
- Anderson, Lauren; Aubourg, Eric; Bailey, Stephen
- Monthly Notices of the Royal Astronomical Society, Vol. 439, Issue 1
The triply-ionized carbon forest from eBOSS: cosmological correlations with quasars in SDSS-IV DR14
journal, May 2018
- Blomqvist, Michael; Pieri, Matthew M.; du Mas des Bourboux, Hélion
- Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 05
The Sdss-Iii Baryon Oscillation Spectroscopic Survey: the Quasar Luminosity Function from data Release nine
journal, July 2013
- Ross, Nicholas P.; McGreer, Ian D.; White, Martin
- The Astrophysical Journal, Vol. 773, Issue 1
The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: baryon acoustic oscillations in the Data Release 9 spectroscopic galaxy sample
journal, December 2012
- Anderson, L.; Aubourg, E.; Bailey, S.
- Monthly Notices of the Royal Astronomical Society, Vol. 427, Issue 4
Sdss-Iii: Massive Spectroscopic Surveys of the Distant Universe, the Milky way, and Extra-Solar Planetary Systems
journal, August 2011
- Eisenstein, Daniel J.; Weinberg, David H.; Agol, Eric
- The Astronomical Journal, Vol. 142, Issue 3
Baryon acoustic oscillations in the Sloan Digital Sky Survey Data Release 7 galaxy sample
journal, February 2010
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- Monthly Notices of the Royal Astronomical Society, Vol. 401, Issue 4
polychord: nested sampling for cosmology
journal, April 2015
- Handley, W. J.; Hobson, M. P.; Lasenby, A. N.
- Monthly Notices of the Royal Astronomical Society: Letters, Vol. 450, Issue 1
Measurement of baryon acoustic oscillations in the Lyman-α forest fluctuations in BOSS data release 9
journal, April 2013
- Slosar, Anže; Iršič, Vid; Kirkby, David
- Journal of Cosmology and Astroparticle Physics, Vol. 2013, Issue 04
Deep learning of quasar spectra to discover and characterize damped Lyα systems
journal, January 2018
- Parks, David; Prochaska, J. Xavier; Dong, Shawfeng
- Monthly Notices of the Royal Astronomical Society, Vol. 476, Issue 1
The Sdss-Iii Baryon Oscillation Spectroscopic Survey: Quasar Target Selection for data Release nine
journal, February 2012
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- The Astrophysical Journal Supplement Series, Vol. 199, Issue 1
Classification of Broad Absorption Line Quasars with a Convolutional Neural Network
journal, July 2019
- Guo, Zhiyuan; Martini, Paul
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The Lyman-α forest in three dimensions: measurements of large scale flux correlations from BOSS 1st-year data
journal, September 2011
- Slosar, Anže; Font-Ribera, Andreu; Pieri, Matthew M.
- Journal of Cosmology and Astroparticle Physics, Vol. 2011, Issue 09
Measurements of H ( z ) and D A ( z ) from the two-dimensional two-point correlation function of Sloan Digital Sky Survey luminous red galaxies : SDSS DR7 LRG 2D correlation function
journal, September 2012
- Chuang, Chia-Hsun; Wang, Yun
- Monthly Notices of the Royal Astronomical Society, Vol. 426, Issue 1
The 2dF Galaxy Redshift Survey: power-spectrum analysis of the final data set and cosmological implications
journal, September 2005
- Cole, Shaun; Percival, Will J.; Peacock, John A.
- Monthly Notices of the Royal Astronomical Society, Vol. 362, Issue 2
The Sloan Digital sky Survey Quasar Catalog. v. Seventh data Release
journal, April 2010
- Schneider, Donald P.; Richards, Gordon T.; Hall, Patrick B.
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Detection of the Baryon Acoustic Peak in the Large‐Scale Correlation Function of SDSS Luminous Red Galaxies
journal, November 2005
- Eisenstein, Daniel J.; Zehavi, Idit; Hogg, David W.
- The Astrophysical Journal, Vol. 633, Issue 2