Cosmic voids and void lensing in the Dark Energy Survey science verification data

Sánchez, C.; Clampitt, J.; Kovacs, A.; Jain, B.; García-Bellido, J.; Nadathur, S.; Gruen, D.; Hamaus, N.; Huterer, D.; Vielzeuf, P.; Amara, A.; Bonnett, C.; DeRose, J.; Hartley, W. G.; Jarvis, M.; Lahav, O.; Miquel, R.; Rozo, E.; Rykoff, E. S.; Sheldon, E.; Wechsler, R. H.; Zuntz, J.; Abbott, T. M.  C.; Abdalla, F. B.; Annis, J.; Benoit-Lévy, A.; Bernstein, G. M.; Bernstein, R. A.; Bertin, E.; Brooks, D.; Buckley-Geer, E.; Rosell, A. Carnero; Kind, M. Carrasco; Carretero, J.; Crocce, M.; Cunha, C. E.; D’Andrea, C. B.; da Costa, L. N.; Desai, S.; Diehl, H. T.; Dietrich, J. P.; Doel, P.; Evrard, A. E.; Neto, A. Fausti; Flaugher, B.; Fosalba, P.; Frieman, J.; Gaztanaga, E.; Gruendl, R. A.; Gutierrez, G.; Honscheid, K.; James, D. J.; Krause, E.; Kuehn, K.; Lima, M.; Maia, M. A.  G.; Marshall, J. L.; Melchior, P.; Plazas, A. A.; Reil, K.; Romer, A. K.; Sanchez, E.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, R. C.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Tarle, G.; Thomas, D.; Walker, A. R.; Weller, J.

doi:10.1093/mnras/stw2745

Cosmic voids and void lensing in the Dark Energy Survey science verification data

Journal Article · Wed Oct 26 00:00:00 EDT 2016 · Monthly Notices of the Royal Astronomical Society

DOI:https://doi.org/10.1093/mnras/stw2745· OSTI ID:1324275

Sánchez, C.; Clampitt, J.; Kovacs, A.; Jain, B.; García-Bellido, J.; Nadathur, S.; Gruen, D.; Hamaus, N.; Huterer, D.; Vielzeuf, P.; Amara, A.; Bonnett, C.; DeRose, J.; Hartley, W. G.; Jarvis, M.; Lahav, O.; Miquel, R.; Rozo, E.; Rykoff, E. S.; Sheldon, E. more »

Galaxies and their dark matter halos populate a complicated filamentary network around large, nearly empty regions known as cosmic voids. Cosmic voids are usually identified in spectroscopic galaxy surveys, where 3D information about the large-scale structure of the Universe is available. Although an increasing amount of photometric data is being produced, its potential for void studies is limited since photometric redshifts induce line-of-sight position errors of ~50 Mpc/h or more that can render many voids undetectable. In this paper we present a new void finder designed for photometric surveys, validate it using simulations, and apply it to the high-quality photo-z redMaGiC galaxy sample of the Dark Energy Survey Science Verification (DES-SV) data. The algorithm works by projecting galaxies into 2D slices and finding voids in the smoothed 2D galaxy density field of the slice. Fixing the line-of-sight size of the slices to be at least twice the photo- z scatter, the number of voids found in these projected slices of simulated spectroscopic and photometric galaxy catalogs is within 20% for all transverse void sizes, and indistinguishable for the largest voids of radius ~70 Mpc/h and larger. The positions, radii, and projected galaxy profiles of photometric voids also accurately match the spectroscopic void sample. Applying the algorithm to the DES-SV data in the redshift range 0.2 < z < 0.8 , we identify 87 voids with comoving radii spanning the range 18-120 Mpc/h, and carry out a stacked weak lensing measurement. With a significance of 4.4σ, the lensing measurement confirms the voids are truly underdense in the matter field and hence not a product of Poisson noise, tracer density effects or systematics in the data. In conclusion, it also demonstrates, for the first time in real data, the viability of void lensing studies in photometric surveys.

View Accepted Manuscript (DOE)

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Contributing Organization:: The DES Collaboration

Grant/Contract Number:: AC02-07CH11359; AC02-76SF00515; AC05-00OR22725; SC0012704

OSTI ID:: 1324275

Alternate ID(s):: OSTI ID: 1334785
OSTI ID: 1337861
OSTI ID: 1353173

Report Number(s):: BNL--112544-2016-JA; FERMILAB-PUB--16-173-AE; arXiv:1605.03982; KA2301020

Journal Information:: Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Journal Issue: 1 Vol. 465; ISSN 0035-8711

Publisher:: Royal Astronomical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Probing supervoids with weak lensing Higuchi, Yuichi; Inoue, Kaiki Taro Monthly Notices of the Royal Astronomical Society, Vol. 476, Issue 1 https://doi.org/10.1093/mnras/sty205	journal	January 2018
Studying galaxy troughs and ridges using weak gravitational lensing with the Kilo-Degree Survey Brouwer, Margot M.; Demchenko, Vasiliy; Harnois-Déraps, Joachim Monthly Notices of the Royal Astronomical Society, Vol. 481, Issue 4 https://doi.org/10.1093/mnras/sty2589	journal	September 2018
A Zeldovich reconstruction method for measuring redshift space distortions using cosmic voids Nadathur, Seshadri; Carter, Paul; Percival, Will J. Monthly Notices of the Royal Astronomical Society, Vol. 482, Issue 2 https://doi.org/10.1093/mnras/sty2799	journal	October 2018
An accurate linear model for redshift space distortions in the void–galaxy correlation function Nadathur, Seshadri; Percival, Will J. Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 3 https://doi.org/10.1093/mnras/sty3372	journal	December 2018
The Santiago–Harvard–Edinburgh–Durham void comparison – I. SHEDding light on chameleon gravity tests Cautun, Marius; Paillas, Enrique; Cai, Yan-Chuan Monthly Notices of the Royal Astronomical Society, Vol. 476, Issue 3 https://doi.org/10.1093/mnras/sty463	journal	February 2018
The Santiago–Harvard–Edinburgh–Durham void comparison II: unveiling the Vainshtein screening using weak lensing Paillas, Enrique; Cautun, Marius; Li, Baojiu Monthly Notices of the Royal Astronomical Society, Vol. 484, Issue 1 https://doi.org/10.1093/mnras/stz022	journal	January 2019
On the relative bias of void tracers in the Dark Energy Survey Pollina, G.; Hamaus, N.; Paech, K. Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 2 https://doi.org/10.1093/mnras/stz1470	journal	May 2019
Cosmological exploitation of the size function of cosmic voids identified in the distribution of biased tracers Contarini, Sofia; Ronconi, Tommaso; Marulli, Federico Monthly Notices of the Royal Astronomical Society, Vol. 488, Issue 3 https://doi.org/10.1093/mnras/stz1989	journal	July 2019
The self-similarity of weak lensing peaks Davies, Christopher T.; Cautun, Marius; Li, Baojiu Monthly Notices of the Royal Astronomical Society, Vol. 488, Issue 4 https://doi.org/10.1093/mnras/stz2157	journal	August 2019
Dark Energy Survey year 1 results: the relationship between mass and light around cosmic voids Fang, Y.; Hamaus, N.; Jain, B. Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 3 https://doi.org/10.1093/mnras/stz2805	journal	October 2019
More out of less: an excess integrated Sachs–Wolfe signal from supervoids mapped out by the Dark Energy Survey Kovács, A.; Sánchez, C.; García-Bellido, J. Monthly Notices of the Royal Astronomical Society, Vol. 484, Issue 4 https://doi.org/10.1093/mnras/stz341	journal	February 2019
Weak lensing by voids in weak lensing maps Davies, Christopher T.; Cautun, Marius; Li, Baojiu Monthly Notices of the Royal Astronomical Society: Letters, Vol. 480, Issue 1 https://doi.org/10.1093/mnrasl/sly135	journal	July 2018
Density split statistics: Cosmological constraints from counts and lensing in cells in DES Y1 and SDSS data Gruen, D.; Friedrich, O.; Krause, E. Physical Review D, Vol. 98, Issue 2 https://doi.org/10.1103/physrevd.98.023507	journal	July 2018
Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing Abbott, T. M. C.; Abdalla, F. B.; Alarcon, A. Physical Review D, Vol. 98, Issue 4 https://doi.org/10.1103/physrevd.98.043526	journal	August 2018
Towards Testing Gravity with Cosmic Voids Cai, Yan-Chuan Modified Gravity https://doi.org/10.1142/9789813274006_0007	book	October 2019
Towards testing gravity with cosmic voids Cai, Yan-Chuan International Journal of Modern Physics D, Vol. 27, Issue 15 https://doi.org/10.1142/s0218271818480073	journal	November 2018
Dark Energy Survey Year 1 Results: Photometric Data Set for Cosmology Drlica-Wagner, A.; Sevilla-Noarbe, I.; Rykoff, Es Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.21145	text	January 2018
Detection of z ∼ 2.3 Cosmic Voids from 3D Ly α Forest Tomography in the COSMOS Field Krolewski, Alex; Lee, Khee-Gan; White, Martin The Astrophysical Journal, Vol. 861, Issue 1 https://doi.org/10.3847/1538-4357/aac829	journal	July 2018
Constraining Dark Energy with Stacked Concave Lenses Dong, Fuyu; Zhang, Jun; Yu, Yu The Astrophysical Journal, Vol. 874, Issue 1 https://doi.org/10.3847/1538-4357/ab0648	journal	March 2019
Dark Energy Survey Year 1 Results: The Photometric Data Set for Cosmology Drlica-Wagner, A.; Sevilla-Noarbe, I.; Rykoff, E. S. The Astrophysical Journal Supplement Series, Vol. 235, Issue 2 https://doi.org/10.3847/1538-4365/aab4f5	journal	April 2018
Dark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing Collaboration, Des; Abbott, T. M. C.; Abdalla, F. B. arXiv https://doi.org/10.48550/arxiv.1708.01530	text	January 2017
Dark Energy Survey Year 1 Results: Photometric Data Set for Cosmology Drlica-Wagner, A.; Sevilla-Noarbe, I.; Rykoff, E. S. arXiv https://doi.org/10.48550/arxiv.1708.01531	text	January 2017
Density split statistics: Cosmological constraints from counts and lensing in cells in DES Y1 and SDSS data Gruen, D.; Friedrich, O.; Krause, E. arXiv https://doi.org/10.48550/arxiv.1710.05045	text	January 2017
Weak lensing by voids in weak lensing maps Davies, Christopher T.; Cautun, Marius; Li, Baojiu arXiv https://doi.org/10.48550/arxiv.1803.08717	text	January 2018
A Zeldovich reconstruction method for measuring redshift space distortions using cosmic voids Nadathur, Seshadri; Carter, Paul; Percival, Will arXiv https://doi.org/10.48550/arxiv.1805.09349	text	January 2018
On the relative bias of void tracers in the Dark Energy Survey Pollina, G.; Hamaus, N.; Paech, K. arXiv https://doi.org/10.48550/arxiv.1806.06860	text	January 2018
Cosmic Voids in Evolving Dark Sector Cosmologies: the High Redshift Universe Adermann, Eromanga; Elahi, Pascal J.; Lewis, Geraint F. arXiv https://doi.org/10.48550/arxiv.1807.02938	text	January 2018
The Santiago-Harvard-Edinburgh-Durham void comparison II: unveiling the Vainshtein screening using weak lensing Paillas, Enrique; Cautun, Marius; Li, Baojiu arXiv https://doi.org/10.48550/arxiv.1810.02864	text	January 2018
More out of less: an excess integrated Sachs-Wolfe signal from supervoids mapped out by the Dark Energy Survey Kovács, A.; Sánchez, C.; García-Bellido, J. arXiv https://doi.org/10.48550/arxiv.1811.07812	text	January 2018
Dark Energy Survey Year 1 results: The relationship between mass and light around cosmic voids Fang, Y.; Hamaus, N.; Jain, B. arXiv https://doi.org/10.48550/arxiv.1909.01386	text	January 2019

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79 ASTRONOMY AND ASTROPHYSICS
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Cosmic voids and void lensing in the Dark Energy Survey science verification data

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