TheHaloMod: An online calculator for the halo model

Abstract

The halo model is a successful framework for describing the distribution of matter in the Universe -- from weak lensing observables to galaxy 2-point correlation functions. We review the basic formulation of the halo model and several of its components in the context of galaxy two-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 \textit{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.

39 pages (32 w/o refs and appendices), 13 figures, accepted to Astronomy and Computing (v2 is the accepted version)

References in corpus (31)

• The NumPy array: a structure for efficient numerical computation
• Concentration, Spin and Shape of Dark Matter Haloes as a Function of the Cosmological Model: WMAP1, WMAP3 and WMAP5 results
• Dark matter and cosmic structure
• A universal model for halo concentrations
• The Uchuu Simulations: Data Release 1 and Dark Matter Halo Concentrations
• The Excursion Set Theory of Halo Mass Functions, Halo Clustering, and Halo Growth
• The pseudo-evolution of halo mass
• The Clustering of DESI-like Luminous Red Galaxies Using Photometric Redshifts
• An algorithm to build mock galaxy catalogues using MICE simulations
• A Halo Model of Galaxy Colors and Clustering in the SDSS
• The galaxy-halo connection from a joint lensing, clustering and abundance analysis in the CFHTLenS/VIPERS field
• The Weak Lensing Signal and the Clustering of BOSS Galaxies II: Astrophysical and Cosmological Constraints
• Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances, Weak Lensing, and Galaxy Correlations
• How accurate is Limber's equation?
• The clustering of radio galaxies at z~0.55 from the 2SLAQ LRG survey
• Concentrations of Dark Haloes Emerge from Their Merger Histories
• Multi-tracer intensity mapping: Cross-correlations, Line noise & Decorrelation
• Nonlinear clustering in models with primordial non-Gaussianity: the halo model approach
• Halo Zeldovich model and perturbation theory: dark matter power spectrum and correlation function
• A halo model approach for the 21-cm power spectrum at cosmic dawn
• Including beyond-linear halo bias in halo models
• Excursion Set Halo Mass Function and Bias in a Stochastic Barrier Model of Ellipsoidal Collapse
• Testing anthropic predictions for Lambda and the CMB temperature
• Shot noise and biased tracers: a new look at the halo model
• A Redefinition of the Halo Boundary Leads to a Simple yet Accurate Halo Model of Large Scale Structure
• Combination of cluster number counts and two-point correlations: Validation on Mock Dark Energy Survey
• Extracting HI Astrophysics from Interferometric Intensity Mapping
• hankel: A Python library for performing simple and accurate Hankel transformations
• Dark Matter Halos from the Inside Out
• Statistics of Dark Matter Halos in the Excursion Set Peak Framework
• The effect of finite halo size on the clustering of neutral hydrogen

Cited by in corpus (29)

• Galaxy Build-up in the first 1.5 Gyr of Cosmic History: Insights from the Stellar Mass Function at $z\sim 4-9$ from JWST NIRCam Observations
• An Intensity Mapping Constraint on the CO-Galaxy Cross Power Spectrum at Redshift ~ 3
• A direct detection of neutral hydrogen intensity mapping on Mpc scales at $z\approx 0.32$ and $z\approx 0.44$
• A unified model for the clustering of quasars and galaxies at $z\approx 6$
• Host Dark Matter Halos of WISE-selected Obscured & Unobscured Quasars: Evidence for Evolution
• An empirical measurement of the Halo Mass Function from the combination of GAMA DR4, SDSS DR12, and REFLEX II data
• Compatibility of JWST results with exotic halos
• Do galaxy mergers prefer under-dense environments?
• Constraints on the early Universe star formation efficiency from galaxy clustering and halo modeling of H$\alpha$ and [O III] emitters
• Tracing the galaxy-halo connection with galaxy clustering in COSMOS-Web from z = 0.1 to z ~ 12
• Novel bounds on decaying axionlike particle dark matter from the cosmic background
• A Little Red Dot at $\mathbf{z}=7.3$ within a Large Galaxy Overdensity
• Can Early Dark Energy be Probed by the High-Redshift Galaxy Abundance?
• Cosmic evolution of the incidence of Active Galactic Nuclei in massive clusters: Simulations versus observations
• The effect of local universe constraints on halo abundance and clustering
• Ghostly Stellar Haloes and their Relationship to Ultra-faint Dwarfs
• Towards Optimal Foreground Mitigation Strategies for Interferometric HI Intensity Mapping in the Low-Redshift Universe
• Cross-correlation between soft X-rays and galaxies A new benchmark for galaxy evolution models
• The circular velocity and halo mass functions of galaxies in the nearby Universe
• Assessing the dark matter content of two quasar host galaxies at z~6 through gas kinematics
• A first look at quasar-galaxy clustering at $z\simeq 7.3$
• A halo model approach to describe clustering and emission of the two main star forming galaxy populations for Cosmic Infrared Background studies
• Direct Collapse Black Hole Candidates from Decaying Dark Matter
• Analytical modeling of the one-dimensional power spectrum of 21-cm forest based on a halo model method
• A bubble size distribution model for the Epoch of Reionization
• Cross-correlations between mm-wave line-intensity mapping and weak lensing surveys: preliminary consideration of long-term prospects
• A Non-parametric Method for the Inference of Halo Occupation Distributions
• Detecting the $\pi$-axiverse through parametric resonance
• Forecasting the potential of weak lensing magnification to enhance LSST large-scale structure analyses