English
Related papers

Related papers: StarEstate: A Python Package for Galactic Populati…

200 papers

Large catalogues are ubiquitous throughout astronomy, but most scientific analyses are carried out on smaller samples selected from these catalogues by chosen cuts on catalogued quantities. The selection function of that scientific sample -…

Instrumentation and Methods for Astrophysics · Physics 2022-01-05 Douglas Boubert , Andrew Everall

$clustertools$ is a Python package for analyzing star cluster simulations. The package is built around the $StarCluster$ class, which stores all data read in from the snapshot of a given model star cluster. The package contains functions…

Astrophysics of Galaxies · Physics 2023-05-22 Jeremy J. Webb

Obtaining a dynamic population distribution is key to many decision-making processes such as urban planning, disaster management and most importantly helping the government to better allocate socio-technical supply. For the aspiration of…

Machine Learning · Computer Science 2022-11-11 Sugandha Doda , Yuanyuan Wang , Matthias Kahl , Eike Jens Hoffmann , Kim Ouan , Hannes Taubenböck , Xiao Xiang Zhu

This paper introduces $\textit{arfpy}$, a python implementation of Adversarial Random Forests (ARF) (Watson et al., 2023), which is a lightweight procedure for synthesizing new data that resembles some given data. The software…

Machine Learning · Statistics 2023-11-14 Kristin Blesch , Marvin N. Wright

We present the single stellar population (SSP) synthesis results of our new synthetic stellar atmosphere models library with a spectral sampling of 0.3 A, covering the wavelength range from 3000 A to 7000 A for a wide range of metallicities…

Observations of star-forming regions provide snapshots in time of the star formation process, and can be compared with simulation data to constrain the initial conditions of star formation. In order to make robust inferences, different…

Astrophysics of Galaxies · Physics 2024-02-21 George A. Blaylock-Squibbs , Richard J. Parker

Stellar abundance analysis relies on flexible, high-performance spectral synthesis. To meet these needs, we present PySME v1.0, an updated Python implementation of Spectroscopy Made Easy (SME) designed for precise and survey-scale modelling…

Instrumentation and Methods for Astrophysics · Physics 2026-05-12 Mingjie Jian , Nikolai Piskunov , Jeff Valenti , Ella Xi Wang , Brian Thorsbro , Henrik Jönsson , Ansgar Wehrhahn

The near-infrared spectral region is becoming a very useful wavelength range to detect and quantify the stellar population of galaxies. Models are developing to predict the contribution of TP-AGB stars, that should dominate the NIR spectra…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Lucimara Martins , Alberto Rodríguez-Ardila , Suzi Diniz , Rogério Riffel , Ronaldo de Souza

Modeling binary star populations is critical to linking the theories of star formation and stellar evolution with observations. In order to test these theories, we need accurate models of observable binary populations. The Kepler Eclipsing…

Solar and Stellar Astrophysics · Physics 2021-03-24 Mark Wells , Andrej Prša

We have produced a new software package for the simulation of pulsar populations, \textsc{PsrPopPy}, based on the \textsc{Psrpop} package. The codebase has been re-written in Python (save for some external libraries, which remain in their…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Sam Bates , Duncan Lorimer , Akshaya Rane , Joe Swiggum

Asteroseismology, the study of stellar pulsations, offers insights into the internal structures and evolution of stars. Analysing the variations in a star's brightness allows the determination of fundamental properties such as mass, radius,…

Instrumentation and Methods for Astrophysics · Physics 2024-06-12 Mathias Michielsen

As part of the effort to meet the needs of the Large Synoptic Survey Telescope Dark Energy Science Collaboration (LSST DESC) for accurate, realistically complex mock galaxy catalogs, we have developed GalSampler, an open-source python…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-10 Andrew Hearin , Danila Korytov , Eve Kovacs , Andrew Benson , Han Aung , Christopher Bradshaw , Duncan Campbell

We introduce the MOdelling Star cluster population Assembly In Cosmological Simulations within EAGLE (E-MOSAICS) project. E-MOSAICS incorporates models describing the formation, evolution and disruption of star clusters into the EAGLE…

Astrophysics of Galaxies · Physics 2018-02-28 Joel Pfeffer , J. M. Diederik Kruijssen , Robert A. Crain , Nate Bastian

Stellar clusters are critical constituents within galaxies: they are the result of highest-density star formation, and through their spatially and temporally correlated feedback they regulate their host galaxy evolution. We present a novel…

Astrophysics of Galaxies · Physics 2024-08-12 Marta Reina-Campos , Oleg Y. Gnedin , Alison Sills , Hui Li

We present a new set of synthesis models for stellar populations obtained with Starburst99, which are based on new stellar evolutionary tracks with rotation. We discuss models with zero rotation velocity and with velocities of 40% of the…

Astrophysics of Galaxies · Physics 2015-06-19 Claus Leitherer , Sylvia Ekstrom , Georges Meynet , Daniel Schaerer , Katerina B. Agienko , Emily M. Levesque

We present a novel statistical algorithm, Stellar Ages, which currently infers the age, metallicity, and extinction posterior distributions of stellar populations from their magnitudes. While this paper focuses on these parameters, the…

Solar and Stellar Astrophysics · Physics 2025-12-18 Joseph J. Guzman , Jeremiah W. Murphy , Andres F. Barrientos , Benjamin F. Williams , Julianne J. Dalcanton

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

In this paper, the evolution of exoplanet orbits at the late stages of stellar evolution is studied by the method of population synthesis. The evolution of stars is traced from the Main Sequence stage to the white dwarf stage. The MESA…

Earth and Planetary Astrophysics · Physics 2023-09-25 A. S. Andriushin , S. B. Popov

Most stars form in highly clustered environments within molecular clouds, but eventually disperse into the distributed stellar field population. Exactly how the stellar distribution evolves from the embedded stage into gas-free associations…

Astrophysics of Galaxies · Physics 2023-09-21 Juan P. Farias , Stella S. R. Offner , Michael Y. Grudić , Dávid Guszejnov , Anna L. Rosen

We introduce GraSPy, a Python library devoted to statistical inference, machine learning, and visualization of random graphs and graph populations. This package provides flexible and easy-to-use algorithms for analyzing and understanding…

Social and Information Networks · Computer Science 2019-10-25 Jaewon Chung , Benjamin D. Pedigo , Eric W. Bridgeford , Bijan K. Varjavand , Hayden S. Helm , Joshua T. Vogelstein