THEHALOMOD: An online calculator for the halo model

被引：37

作者：

Murray, S. G. ^{[1
]}

Diemer, B. ^{[2
]}

Chen, Z. ^{[3
]}

Neuhold, A. G., Jr. ^{[4
]}

Schnapp, M. A. ^{[4
]}

Peruzzi, T. ^{[4
]}

Blevins, D. ^{[4
]}

Engelman, T. ^{[4
]}

机构：

[1] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA

[2] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[3] Univ Manchester, Sch Phys & Astron, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England

[4] Arizona State Univ, ASU Sch Comp Informat & Decis Syst Engn, Tempe, AZ 85287 USA

来源：

ASTRONOMY AND COMPUTING | 2021年 / 36卷

基金：

美国国家科学基金会;

关键词：

Large-scale structure of universe; Dark matter; Galaxies: halos; Methods: analytical; Methods: numerical; COLD DARK-MATTER; LARGE-SCALE BIAS; CONCENTRATION-REDSHIFT RELATION; 2-POINT CORRELATION-FUNCTION; LUMINOUS RED GALAXIES; DIGITAL SKY SURVEY; MASS FUNCTION; OCCUPATION DISTRIBUTION; ACCRETION HISTORY; POWER SPECTRUM;

D O I：

10.1016/j.ascom.2021.100487

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The halo model is a successful framework for describing the distribution of matter in the Universe - from weak lensing observables to galaxy n-point correlation functions. We review the basic formulation of the halo model and several of its components in the context of galaxy 2-point statistics, developing a coherent framework for its application. We use this framework to motivate the presentation of a new PYTHON tool for simple and efficient calculation of halo model quantities, and their extension to galaxy statistics via a halo occupation distribution, called HALOMOD. This tool is efficient, simple to use, comprehensive and importantly provides a great deal of flexibility in terms of custom extensions. This PYTHON tool is complemented by a new web-application at https://thehalomod.app that supports the generation of many halo model quantities directly from the browser - useful for educators, students, theorists and observers. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：33

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