BAM: bias assignment method to generate mock catalogues

doi:10.1093/mnrasl/sly220

CORC > 国家天文台 > 中国科学院国家天文台

	BAM: bias assignment method to generate mock catalogues
	Balaguera-Antolinez, A.1,3; Kitaura, Francisco-Shu 1,3; Pellejero-Ibanez, Marcos 1,3; Zhao, Cheng 2; Abel, Tom 4
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2019-02-01
卷号	483 期号:1 页码:L58-L63
关键词	cosmology: theory large-scale structure of Universe
ISSN号	0035-8711
DOI	10.1093/mnrasl/sly220
英文摘要	We present BAM: a novel Bias Assignment Method envisaged to generate mock catalogues. Combining the statistics of dark matter tracers from a high-resolution cosmological N-body simulation and the dark matter density field calculated from down-sampled initial conditions using efficient structure formation solvers, we extract the halo-bias relation on a mesh of a 3 h(-1) Mpc cell side resolution as a function of properties of the dark matter density field ( e.g. local density, cosmic web type), automatically including stochastic, deterministic, local and non-local components. We use this information to sample the halo density field, accounting for ignored dependencies through an iterative process. By construction, our approach reaches similar to 1 per cent accuracy in the majority of the k-range up to the Nyquist frequency without systematic deviations for power spectra ( about k similar to 1 h Mpc(-1)) using either particle mesh or Lagrangian perturbation theory based solvers. When using phase-space mapping to compensate the low resolution of the approximate gravity solvers, our method reproduces the bispectra of the reference within 10 per cent precision studying configurations tracing the quasi-non-linear regime. BAM has the potential to become a standard technique to produce mock halo and galaxy catalogues for future galaxy surveys and cosmological studies being highly accurate, efficient and parameter free.
资助项目	Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program[SEV-2015-0548] ; MINECO[AYA2012-39702-C02-01] ; [RYC2015-18693] ; [AYA2017-89891-P]
WOS关键词	OSCILLATION SPECTROSCOPIC SURVEY ; DARK-MATTER ; GALAXY CATALOGS ; HALO BIAS ; PERTURBATION-THEORY ; ASSEMBLY BIAS ; MASS ; ACCURATE ; DEPENDENCE ; COSMOLOGY
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	OXFORD UNIV PRESS
WOS记录号	WOS:000482178200012
资助机构	Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; MINECO ; MINECO ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; MINECO ; MINECO ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; MINECO ; MINECO ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; Spanish Ministry of Economy and Competitiveness (MINECO) under the Severo Ochoa program ; MINECO ; MINECO
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/27357]
专题	中国科学院国家天文台
通讯作者	Balaguera-Antolinez, A.; Kitaura, Francisco-Shu
作者单位	1.Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain 2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 3.Inst Astrofis Canarias, E-38205 Tenerife, Spain 4.Stanford Univ, SLAC Natl Accelerator Lab, Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA
推荐引用方式 GB/T 7714	Balaguera-Antolinez, A.,Kitaura, Francisco-Shu,Pellejero-Ibanez, Marcos,et al. BAM: bias assignment method to generate mock catalogues[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,483(1):L58-L63.
APA	Balaguera-Antolinez, A.,Kitaura, Francisco-Shu,Pellejero-Ibanez, Marcos,Zhao, Cheng,&Abel, Tom.(2019).BAM: bias assignment method to generate mock catalogues.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,483(1),L58-L63.
MLA	Balaguera-Antolinez, A.,et al."BAM: bias assignment method to generate mock catalogues".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 483.1(2019):L58-L63.