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With the advent of several galaxy surveys targeting star-forming galaxies, it is important to have models capable of interpreting their spatial distribution in terms of astrophysical and cosmological parameters. To address this need, we…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-04 Sara Ortega-Martinez , Sergio Contreras , Raul Angulo

popclass is a python package that provides a flexible, probabilistic framework for classifying the lens of a gravitational microlensing event. popclass allows a user to match characteristics of a microlensing signal to a simulation of the…

Instrumentation and Methods for Astrophysics · Physics 2024-10-21 Greg Sallaberry , Zofia Kaczmarek , Peter McGill , Scott E. Perkins , William A. Dawson , Caitlin G. Begbie

The information extracted from large galaxy surveys with the likes of DES, DESI, Euclid, LSST, SKA, and WFIRST will be greatly enhanced if the resultant galaxy catalogues can be cross-correlated with one another. Predicting the nature of…

Astrophysics of Galaxies · Physics 2017-08-15 Philip Bull

The formation of galaxies in hierarchical cosmogonies is studied using high resolution N-body plus SPH hydrodynamics simulations. The collapse of structure is followed self-consistently from Mpc scale filamentary structures to kpc scale…

Astrophysics · Physics 2007-05-23 F J Summers

Data gridding is a common task in astronomy and many other science disciplines. It refers to the resampling of irregularly sampled data to a regular grid. We present cygrid, a library module for the general purpose programming language…

Instrumentation and Methods for Astrophysics · Physics 2016-06-08 B. Winkel , D. Lenz , L. Flöer

Galaxy simulations have come a long way from the early days of simple N-body calculations, which considered only gravitational interactions, to the complex, multi-physics models used today. Beginning with initial conditions representative…

Astrophysics of Galaxies · Physics 2025-07-15 Robert Feldmann , Rebekka Bieri

Simple but flexible dynamical models are useful for many purposes, including serving as the starting point for more complex models or numerical simulations of galaxies, clusters, or dark matter haloes. We present SpheCow, a new light-weight…

Astrophysics of Galaxies · Physics 2021-08-11 Maarten Baes , Peter Camps , Bert Vandenbroucke

The article presents and documents the Mathematica package SymBuild. This package implements the computation and manipulation of integrable symbols appearing in various calculations in high-energy scattering amplitudes. By using Gr\"obner…

High Energy Physics - Theory · Physics 2018-11-01 Vladimir Mitev , Yang Zhang

The LALSuite data analysis libraries, written in C, implement key routines critical to the successful detection of gravitational waves, such as the template waveforms describing the merger of two black holes or two neutron stars. SWIGLAL is…

Instrumentation and Methods for Astrophysics · Physics 2020-12-18 Karl Wette

We present pcigale, the port to Python of CIGALE (Code Investigating Galaxy Emission) a Fortran spectral energy distribution (SED) fitting code developed at the Laboratoire d'Astrophysique de Marseille. After recalling the specifics of the…

Instrumentation and Methods for Astrophysics · Physics 2013-09-26 Yannick Roehlly , Denis Burgarella , Véronique Buat , Médéric Boquien , Laure Ciesla , Sébastien Heinis

PySymmPol is a Python package designed for efficient manipulation of symmetric polynomials. It provides functionalities for working with various types of symmetric polynomials, including elementary, homogeneous, monomial symmetric, (skew-)…

Combinatorics · Mathematics 2024-06-03 Thiago Araujo

With the ever increasing size and complexity of fully self-consistent simulations of galaxy formation within the framework of the cosmic web, the demands upon object finders for these simulations has simultaneously grown. To this extent we…

Self-interacting dark matter (SIDM) is a well-motivated extension of cold dark matter that can modify halo structure on galactic and group scales while remaining consistent with large-scale structure. However, practical SIDM work often…

Instrumentation and Methods for Astrophysics · Physics 2026-01-09 Nalin Dhiman

SpartyJet is a set of software tools for jet finding and analysis, built around the FastJet library of jet algorithms. SpartyJet provides four key extensions to FastJet: a simple Python interface to most FastJet features, a powerful…

High Energy Physics - Experiment · Physics 2012-01-20 Pierre-Antoine Delsart , Kurtis L. Geerlings , Joey Huston , Brian T. Martin , Christopher K. Vermilion

Galaxy cluster analyses based on high-resolution observations of the Sunyaev-Zeldovich (SZ) effect have become common in the last decade. We present PreProFit, the first publicly available code designed to fit the pressure profile of galaxy…

Instrumentation and Methods for Astrophysics · Physics 2019-11-27 Fabio Castagna , Stefano Andreon

PLAnetary Transits and Oscillations of stars (PLATO) is a medium-class mission belonging to the European Space Agency (ESA) Cosmic Vision programme. The mission payload is composed of 26 telescopes and cameras which will observe…

Instrumentation and Methods for Astrophysics · Physics 2018-08-30 M. Rotundo , A. Leoni , L. Serafini , C. Del Vecchio Blanco , D. Davalle , D. Vangelista , M. Focardi , R. Cosentino , S. Pezzuto , G. Giusi , D. Biondi , L. Fanucci

We study present-day galaxy clustering in the EAGLE cosmological hydrodynamical simulation. EAGLE's galaxy formation parameters were calibrated to reproduce the redshift $z=0.1$ galaxy stellar mass function, and the simulation also…

Understanding of the structure evolution in the Universe has been greatly advanced with a rapid progress in high-resolution cosmological simulations. In this contribution, we report a new set of cosmological simulations with $512^3$ ($\sim…

Astrophysics · Physics 2007-05-23 Y. P. Jing , Yasushi Suto

We present a method that extends the capabilities of the PINpointing Orbit-Crossing Collapsed HIerarchical Objects (PINOCCHIO) code, allowing it to generate accurate dark matter halo mock catalogues in cosmological models where the linear…