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Related papers: Cosmological Constraints using the Void Size Funct…

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Void size function (VSF) contains information of the cosmic large-scale structure (LSS), and can be used to derive the properties of dark energy and dark matter. We predict the VSFs measured from the spectroscopic galaxy survey operated by…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-10 Yingxiao Song , Qi Xiong , Yan Gong , Furen Deng , Kwan Chuen Chan , Xuelei Chen , Qi Guo , Jiaxin Han , Guoliang Li , Ming Li , Yun Liu , Yu Luo , Wenxiang Pei , Chengliang Wei

We present the first cosmological constraints derived from the analysis of the void size function. This work relies on the final BOSS DR12 data set, a large spectroscopic galaxy catalog, ideal for the identification of cosmic voids. We…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-09 Sofia Contarini , Alice Pisani , Nico Hamaus , Federico Marulli , Lauro Moscardini , Marco Baldi

Void number counts (VNC) indicates the number of low-density regions in the large-scale structure (LSS) of the Universe, and we propose to use it as an effective cosmological probe. By generating the galaxy mock catalog based on Jiutian…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-06 Yingxiao Song , Qi Xiong , Yan Gong , Furen Deng , Kwan Chuen Chan , Xuelei Chen , Qi Guo , Yun Liu , Wenxiang Pei

We investigate the cosmological constraints from the void-lensing cross-correlation assuming the $w$CDM model for the Chinese Space Station Survey Telescope (CSST) photometric survey. Using Jiutian simulations, we construct a mock galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-19 Qi Xiong , Yan Gong , Junhui Yan , Furen Deng , Hengjie Lin , Xingchen Zhou , Xuelei Chen , Qi Guo , Ming Li , Yun Liu , Wenxiang Pei

The void power spectrum is related to the clustering of low-density regions in the large-scale structure (LSS) of the Universe, and can be used as an effective cosmological probe to extract the information of the LSS. We generate the galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-01 Yingxiao Song , Qi Xiong , Yan Gong , Furen Deng , Kwan Chuen Chan , Xuelei Chen , Qi Guo , Guoliang Li , Ming Li , Yun Liu , Yu Luo , Wenxiang Pei , Chengliang Wei

We report novel cosmological constraints obtained from cosmic voids in the final BOSS DR12 dataset. They arise from the joint analysis of geometric and dynamic distortions of average void shapes (i.e., the stacked void-galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-17 Nico Hamaus , Alice Pisani , Jin-Ah Choi , Guilhem Lavaux , Benjamin D. Wandelt , Jochen Weller

We present a cosmic void catalog using the large-scale structure galaxy catalog from the Baryon Oscillation Spectroscopic Survey (BOSS). This galaxy catalog is part of the Sloan Digital Sky Survey (SDSS) Data Release 12 and is the final…

We present the cosmological implications of measurements of void-galaxy and galaxy-galaxy clustering from the Sloan Digital Sky Survey (SDSS) Main Galaxy Sample (MGS), Baryon Oscillation Spectroscopic Survey (BOSS), and extended BOSS…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-01 Alex Woodfinden , Will J. Percival , Seshadri Nadathur , Hans A. Winther , T. S. Fraser , Elena Massara , Enrique Paillas , Slađana Radinović

We present measurements of the anisotropic cross-correlation of galaxies and cosmic voids in data from the Sloan Digital Sky Survey Main Galaxy Sample (MGS), Baryon Oscillation Spectroscopic Survey (BOSS) and extended BOSS (eBOSS) luminous…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-11 Alex Woodfinden , Seshadri Nadathur , Will J. Percival , Slađana Radinović , Elena Massara , Hans A. Winther

We identify voids as maximal non-overlapping spheres within the haloes of the Uchuu simulation and three smaller halo simulation boxes with smaller volume and different $\sigma_{8}$ values, and galaxies with redshift in the range…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-05 Elena Fernández-García , Juan E. Betancort-Rijo , Francisco Prada , Tomoaki Ishiyama , Anatoly Klypin

We apply the Velocity Distribution Function (VDF) to a sample of Sunyaev-Zel'dovich (SZ)-selected clusters, and we report preliminary cosmological constraints in the $\sigma_8$-$\Omega_m$ cosmological parameter space. The VDF is a…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Michelle Ntampaka , Ken Rines , Hy Trac

We measure the void probability function (VPF) of galaxies in the Baryon Oscillation Spectroscopic Survey (BOSS). The VPF provides complementary information to standard two-point statistics in that it is sensitive to galaxy bias in the most…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-20 Kilian Walsh , Jeremy Tinker

We present a void clustering analysis in configuration-space using the completed Sloan Digital Sky Survey IV (SDSS-IV) extended Baryon Oscillation Spectroscopic Survey (eBOSS) DR16 samples. These samples consist of Luminous Red Galaxies…

We present a measurement of the anisotropic void-galaxy cross-correlation function in the CMASS galaxy sample of the BOSS DR12 data release. We perform a joint fit to the data for redshift space distortions (RSD) due to galaxy peculiar…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-17 Seshadri Nadathur , Paul M. Carter , Will J. Percival , Hans A. Winther , Julian Bautista

We present a public catalogue of voids in the Baryon Oscillation Spectroscopic Survey (BOSS) Data Release 11 LOWZ and CMASS galaxy surveys. This catalogue contains information on the location, sizes, densities, shapes and bounding surfaces…

Cosmology and Nongalactic Astrophysics · Physics 2016-09-02 Seshadri Nadathur

We measure the redshift space reduced void probability function (VPF) for 2dFGRS volume limited galaxy samples covering the absolute magnitude range M_bJ-5logh=-18 to -22. Theoretically, the VPF connects the distribution of voids to the…

Galaxy clusters and cosmic voids, the most extreme objects of our Universe in terms of mass and size, trace two opposite sides of the large-scale matter density field. By studying their abundance as a function of their mass and radius,…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-18 Davide Pelliciari , Sofia Contarini , Federico Marulli , Lauro Moscardini , Carlo Giocoli , Giorgio Francesco Lesci , Klaus Dolag

Cosmic voids are large underdense regions that, together with galaxy clusters, filaments and walls, build up the large-scale structure of the Universe. The void size function provides a powerful probe to test the cosmological framework.…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-08 Sofia Contarini , Tommaso Ronconi , Federico Marulli , Lauro Moscardini , Alfonso Veropalumbo , Marco Baldi

We present a new, model-independent measurement of the clustering amplitude of galaxies and the growth of cosmic large-scale structures from the Baryon Oscillation Spectroscopic Survey (BOSS) 12th data release (DR12). This is achieved by…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-14 Konstantinos Tanidis , Stefano Camera

Cosmic void has been proven to be an effective cosmological probe of the large-scale structure (LSS). However, since voids are usually identified in spectroscopic galaxy surveys, they are generally limited to low number density and…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-19 Yingxiao Song , Yan Gong , Qi Xiong , Kwan Chuen Chan , Xuelei Chen , Qi Guo , Yun Liu , Wenxiang Pei
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