Cosmological distance forecasts for the CSST Galaxy Survey using BAO peaks

doi:10.1007/s11433-024-2603-8

YNAO OpenIR > 大样本恒星演化研究组

	Cosmological distance forecasts for the CSST Galaxy Survey using BAO peaks
	Shi, Feng 1,2; Tian, Jieyi 1,2; Ding, Zhejie 3; Yang, Xiaohu 4,5; Gu, Yizhou 4,5; Saulder, Christoph 6,7; Li, Xiaoping 1,2; Liu, Yanming 1,2; Wang, Zitong 1,2; Zhan, Hu 8,9; Li, Ming 8; Li, Xiaolei 10; Guo, Hong 11; Gong, Yan 8; Han YK(韩云坤)12 ; Li, Cheng 13; Jing, Yipeng 3,4; Sui, Jipeng 8; Wen, Run 14,15; Zhao, Gong-Bo 8; Zou, Hu 8; Zhang, Pengjie 3,4,5; Zheng, Xianzhong 14,16; Zhou, Xingchen 8
发表期刊	SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
	2025-04
卷号	68 期号:4
DOI	10.1007/s11433-024-2603-8
产权排序	第12完成单位
收录类别	SCI ; EI
关键词	large-scale structure distance scale cosmology
摘要	The measurement of cosmological distances using baryon acoustic oscillations (BAO) is crucial for studying the universe's expansion. The China Space Station Telescope (CSST) galaxy redshift survey, with its vast volume and sky coverage, provides an opportunity to address key challenges in cosmology. However, redshift uncertainties in galaxy surveys can degrade both angular and radial distance estimates. In this study, we forecast the precision of BAO distance measurements using mock CSST galaxy samples, applying a two-point correlation function (2PCF) wedge approach to mitigate redshift errors. We simulate redshift uncertainties of sigma(0) = 0.003 and sigma(0) = 0.006, representative of expected CSST errors, and examine their effects on the BAO peak and distance scaling factors,alpha(perpendicular to) and alpha(parallel to), across redshift bins within 0.0 < z <= 1.0. The wedge 2PCF method proves more effective in detecting the BAO peak compared with the monopole 2PCF, particularly for sigma(0) = 0.006. Constraints on the BAO peaks show that alpha(perpendicular to )is well constrained around 1.0, regardless of sigma(0) , with precision between 1% and 3% across redshift bins. In contrast, alpha(parallel to) measurements are more sensitive to increases in sigma(0) . For sigma(0) = 0.003, the results remain close to the fiducial value, with uncertainties ranging between 4% and 9%; for sigma(0) = 0.006, significant deviations from the fiducial value are observed. We also study the ability to measure parameters (Omega m, H0rd) using distance measurements, proving robust constraints as a cosmological probe under CSST-like redshift uncertainties. These findings demonstrate that the CSST survey enables few-percent precision measurements of DA using the wedge 2PCF method, highlighting its potential to place tight constraints on the universe's expansion history and contribute to high-precision cosmological studies.
资助项目	National SKA Program of China[2022SKA0110200]; National SKA Program of China[2022SKA0110202]; National Key Research and Development Program of China[2023YFA1607800]; National Key Research and Development Program of China[2023YFA1607802]; National Key Research and Development Program of China[2023YFA1607804]; National Key Research and Development Program of China[2022YFF0503400]; National Natural Science Foundation of China[12103037]; National Natural Science Foundation of China[12273020]; The 111 Project[B20019]; Shanghai Natural Science Foundation[19ZR1466800]; China Manned Space Project[CMS-CSST-2021-A02]; China Manned Space Project[CMS-CSST-2021-A03]; China Manned Space Project[CMS-CSST-2021-B01]; Fundamental Research Funds for the Central Universities[XJS221312]; Science Research Project of Hebei Education Department[BJK2024134]; High-Performance Computing Platform of Xidian University
项目资助者	National SKA Program of China[2022SKA0110200, 2022SKA0110202] ; National Key Research and Development Program of China[2023YFA1607800, 2023YFA1607802, 2023YFA1607804, 2022YFF0503400] ; National Natural Science Foundation of China[12103037, 12273020] ; The 111 Project[B20019] ; Shanghai Natural Science Foundation[19ZR1466800] ; China Manned Space Project[CMS-CSST-2021-A02, CMS-CSST-2021-A03, CMS-CSST-2021-B01] ; Fundamental Research Funds for the Central Universities[XJS221312] ; Science Research Project of Hebei Education Department[BJK2024134] ; High-Performance Computing Platform of Xidian University
语种	英语
学科领域	天文学 ; 星系与宇宙学
文章类型	Article
出版者	SCIENCE PRESS
出版地	16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
ISSN	1674-7348
URL	查看原文
WOS记录号	WOS:001439701200001
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
关键词[WOS]	OSCILLATION SPECTROSCOPIC SURVEY ; BARYON ACOUSTIC-OSCILLATIONS ; DARK ENERGY ; REDSHIFT SURVEY ; POWER-SPECTRUM ; GROWTH-RATE ; COVARIANCE ; EVOLUTION ; RECONSTRUCTION ; CONSTRAINTS
EI入藏号	20251018014704
EI主题词	Cosmology
EI分类号	1103.3 Data Communication, Equipment and Techniques - 1303.1 Cosmology - 741.3 Optical Devices and Systems - 941.5 Mechanical Variables Measurements��
引用统计
文献类型	期刊论文
版本	出版稿
条目标识符	http://ir.ynao.ac.cn/handle/114a53/28189
专题	大样本恒星演化研究组
作者单位	1.School of Aerospace Science and Technology, Xidian University, Xi’an, 710126, China; 2.Shaanxi Key Laboratory of Space Extreme Detection, Xidian University, Xi’an, 710126, China; 3.Department of Astronomy, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China; 4.Tsung-Dao Lee Institute & School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China; 5.Key Laboratory for Particle Physics, Astrophysics and Cosmology (MoE), and Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai Jiao Tong University, Shanghai, 200240, China; 6.Max Planck Institute for Extraterrestrial Physics, Garching, 85748, Germany; 7.Universitäts-Sternwarte München, Munich, 81679, Germany; 8.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China; 9.The Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing, 100871, China; 10.College of Physics, Hebei Normal University, Shijiazhuang, 050024, China; 11.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Shanghai, 200030, China; 12.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China; 13.Department of Astronomy, Tsinghua University, Beijing, 100084, China; 14.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210023, China; 15.School of Astronomy and Space Sciences, University of Science and Technology of China, Hefei, 230026, China; 16.Tsung-Dao Lee Institute and Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education, Shanghai Jiao Tong University, Shanghai, 201210, China
推荐引用方式 GB/T 7714	Shi, Feng,Tian, Jieyi,Ding, Zhejie,et al. Cosmological distance forecasts for the CSST Galaxy Survey using BAO peaks[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2025,68(4).
APA	Shi, Feng.,Tian, Jieyi.,Ding, Zhejie.,Yang, Xiaohu.,Gu, Yizhou.,...&Zhou, Xingchen.(2025).Cosmological distance forecasts for the CSST Galaxy Survey using BAO peaks.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,68(4).
MLA	Shi, Feng,et al."Cosmological distance forecasts for the CSST Galaxy Survey using BAO peaks".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 68.4(2025).

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