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Stellar streams are potentially a very sensitive observational probe of galactic astrophysics, as well as the dark matter population in the Milky Way. On the other hand, performing a detailed, high-fidelity statistical analysis of these…

Astrophysics of Galaxies · Physics 2024-07-03 James Alvey , Mathis Gerdes , Christoph Weniger

Simulated galaxy catalogues have become an essential tool for preparing and exploiting observations from galaxy surveys. They constitute a key ingredient in modelling the systematic uncertainties present in the analysis. However, in order…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-01 I. Tutusaus , P. Fosalba , L. Blot , P. Tallada-Crespí , J. Carretero , F. J. Castander , E. J. Gonzalez , A. Alarcon

Galaxy morphological classification is a fundamental aspect of galaxy formation and evolution studies. Various machine learning tools have been developed for automated pipeline analysis of large-scale surveys, enabling a fast search for…

Instrumentation and Methods for Astrophysics · Physics 2022-06-15 Yash Gondhalekar , Rafael S. de Souza , Ana L. Chies-Santos

We present a collection of new, open-source computational tools for numerically modeling recent large-scale observational data sets using modern cosmology theory. Specifically, these tools will allow both students and researchers to…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-22 Jacob Moldenhauer , Larry Engelhardt , Keenan Stone , Ezekiel Shuler

This paper introduces EGG, the Empirical Galaxy Generator, a tool designed within the ASTRODEEP collaboration to generate mock galaxy catalogs for deep fields with realistic fluxes and simple morphologies. The simulation procedure is based…

Instrumentation and Methods for Astrophysics · Physics 2017-06-21 C. Schreiber , D. Elbaz , M. Pannella , E. Merlin , M. Castellano , A. Fontana , N. Bourne , K. Boutsia , F. Cullen , J. Dunlop , H. C. Ferguson , M. J. Michalowski , K. Okumura , P. Santini , X. W. Shu , T. Wang , C. White

The study of complex many-body systems via analysis of the trajectories of the units that dynamically move and interact within them is a non-trivial task. The workflow for extracting meaningful information from the raw trajectory data is…

Materials Science · Physics 2025-10-31 Simone Martino , Matteo Becchi , Andrew Tarzia , Daniele Rapetti , Giovanni M. Pavan

We introduce the Theoretical Astrophysical Observatory (TAO), an online virtual laboratory that houses mock observations of galaxy survey data. Such mocks have become an integral part of the modern analysis pipeline. However, building them…

Simulating a survey of fluxes and redshifts (distances) from an astrophysical population is a routine task. \texttt{popsynth} provides a generic, object-oriented framework to produce synthetic surveys from various distributions and…

Instrumentation and Methods for Astrophysics · Physics 2021-07-20 J. Michael Burgess , Francesca Capel

We present cogsworth, an open-source Python tool for producing self-consistent population synthesis and galactic dynamics simulations. With cogsworth one can (1) sample a population of binaries and star formation history, (2) perform rapid…

Astrophysics of Galaxies · Physics 2024-11-07 Tom Wagg , Katelyn Breivik , Mathieu Renzo , Adrian M. Price-Whelan

Cosmic-ray observatories necessarily rely on Monte Carlo simulations for their design, calibration and analysis of their data. Detailed simulations are very demanding computationally. We present a python-based package called ShowerModel to…

Instrumentation and Methods for Astrophysics · Physics 2021-03-02 Daniel Morcuende , Jaime Rosado

Characterizing the temporal variability of astrophysical sources is key to understanding the underlying physical processes driving their emissions. This work introduces a gammapy_SyLC, a Python package that offers tools to simulate and fit…

High Energy Astrophysical Phenomena · Physics 2025-03-19 Claudio Galelli

In the era of large time-domain spectro-photometric surveys, surface variations such as starspots, chemical inhomogeneities, pulsations, rotational distortions, and binary interactions can now be directly detected and modelled. Accurately…

Solar and Stellar Astrophysics · Physics 2025-11-17 M. Jabłońska , T. Różański , L. Casagrande , H. Shah , P. A. Kołaczek-Szymański , M. Rychlicki , Yuan-Sen Ting

We present a convenient, all-in-one framework for the scientific analysis of fully reduced, (integral-field) spectroscopic data. The GIST pipeline (Galaxy IFU Spectroscopy Tool) is entirely written in Python3 and conducts all steps from the…

Computer simulation has become one of the most important tools in scientific research in many disciplines. Benefiting from the dynamical trajectories regulated by versatile interatomic interactions, various material properties can be…

Materials Science · Physics 2024-11-28 Y. -C. Hu , J. Tian

Recent approaches in skill matching, employing synthetic training data for classification or similarity model training, have shown promising results, reducing the need for time-consuming and expensive annotations. However, previous…

Computation and Language · Computer Science 2024-02-06 Antoine Magron , Anna Dai , Mike Zhang , Syrielle Montariol , Antoine Bosselut

Fostered by upcoming data from new generation observational campaigns, we are about to enter a new era for the study of how galaxies form and evolve. The unprecedented quantity of data that will be collected, from distances only marginally…

The number of main-sequence stars for which we can observe solar-like oscillations is expected to increase considerably with the short-cadence high-precision photometric observations from the NASA Kepler satellite. Because of this increase…

Solar and Stellar Astrophysics · Physics 2015-05-14 S. Hekker , A. -M Broomhall , W. J. Chaplin , Y. P. Elsworth , S. T. Fletcher , R. New , T. Arentoft , P. -O. Quirion , H. Kjeldsen

Understanding how the brain functions is one of the biggest challenges of our time. The analysis of experimentally recorded neural firing patterns (spike trains) plays a crucial role in addressing this problem. Here, the PySpike library is…

Data Analysis, Statistics and Probability · Physics 2016-07-12 Mario Mulansky , Thomas Kreuz

In this paper we introduce the SEAGLE (i.e. Simulating EAGLE LEnses) program, that approaches the study of galaxy formation through strong gravitational lensing, using a suite of high-resolution hydrodynamic simulations, Evolution and…