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Related papers: Virtual instrumentation to study galaxies

200 papers

We present MESA-Web, a cloud resource with an online interface to the Modules for Experiments in Stellar Astrophysics (MESA) software instrument. MESA-Web allows learners to evolve stellar models without the need to download and install…

Solar and Stellar Astrophysics · Physics 2023-09-29 Carl E. Fields , Richard H. D. Townsend , A. L. Dotter , Michael Zingale , F. X. Timmes

SWIFTGalaxy is an open-source astrophysics module that extends SWIFTSimIO to analyses of particles belonging to individual galaxies simulated with SWIFT. It inherits from and extends the functionality of SWIFTSimIO's SWIFTDataset class. It…

Astrophysics of Galaxies · Physics 2025-10-28 Kyle A. Oman

This study presents the Music Informatics for Radio Across the GlobE (MIRAGE) online dashboard, which allows users to access, interact with, and export metadata (e.g., artist name, track title) and musicological features (e.g., instrument…

Computers and Society · Computer Science 2025-02-11 Ngan V. T. Nguyen , Elizabeth A. M. Acosta , Tommy Dang , David R. W. Sears

SuperAGILE (SA) is a detection system on board of the AGILE satellite (Astro-rivelatore Gamma a Immagini LEggero), a Gamma-ray astronomy mission approved by the Italian Space Agency (ASI) as first project for the Program for Small…

Instrumentation and Methods for Astrophysics · Physics 2020-06-16 Francesco Lazzarotto , Ettore Del Monte

This paper is the second in a series, implementing a classification system for Gaia observations of unresolved galaxies. Our goals are to determine spectral classes and estimate intrinsic astrophysical parameters via synthetic templates.…

Understanding how galaxies form and evolve requires measuring their light distributions in images taken by telescopes. This process often involves fitting mathematical models to galaxy images to extract properties such as size, brightness,…

Instrumentation and Methods for Astrophysics · Physics 2026-01-12 Christopher Añorve

Where do cosmic X-rays come from? Every new unidentified X-ray source could potentially revolutionize our understanding of the universe. The international collaborative astronomy project EXTraS aimed at automatically classifying new sources…

Instrumentation and Methods for Astrophysics · Physics 2021-01-11 Annika Kreikenbohm

Astronomy is entering a new era as multiple, large area, digital sky surveys are in production. The resulting datasets are truly remarkable in their own right; however, a revolutionary step arises in the aggregation of complimentary…

Astrophysics · Physics 2007-05-23 R. J Brunner , T. Prince , J. Good , T. Handley , C. Lonsdale , S. G. Djorgovski

The study of satellite galaxies can provide information on the merging and aggregation processes which, according to the hierarchical clustering models, form the larger spiral galaxies we observe. With the aim of testing hierarchical models…

The Gaia satellite, to be launched in 2012, will offer an unprecedented survey of the whole sky down to magnitude 20. The multi-epoch nature of the mission provides a unique opportunity to study variable sources with their astrometric,…

Solar and Stellar Astrophysics · Physics 2009-12-25 Laurent Eyer , Nami Mowlavi , Mihaly Varadi , Maxime Spano , Isabelle Lecoeur-Taibi , Gisella Clementini

Punzo et al. (2015) recently reported on the state of the art for visualisation of H I data cubes. I here briefly describe another program, FRELLED, specifically designed for dealing with H I data. Unlike many 3D viewers, FRELLED can handle…

Astrophysics of Galaxies · Physics 2015-06-16 Rhys Taylor

The dynamics of a large stellar (globular) cluster containing N=128,000 stars has been simulated by a direct summation (O(N$^2$)) method by using a heterogeneous platform. Preliminary simulations have been carried out on model systems with…

Astrophysics · Physics 2007-05-23 R. Capuzzo-Dolcetta , N. Pucello , V. Rosato , F. Saraceni

The Fornax cluster provides a uniquely compact laboratory to study the detailed history of early-type galaxies and the role played by environment in driving their evolution and their transformation from late-type galaxies. Using the superb…

We present an overview of galaxy evolution across cosmic time in the Illustris Simulation. Illustris is an N-body/hydrodynamical simulation that evolves 2*1820^3 resolution elements in a (106.5Mpc)^3 box from cosmological initial conditions…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-26 Shy Genel , Mark Vogelsberger , Volker Springel , Debora Sijacki , Dylan Nelson , Greg Snyder , Vicente Rodriguez-Gomez , Paul Torrey , Lars Hernquist

In recent years many works have shown that unsupervised Machine Learning (ML) can help detect unusual objects and uncover trends in large astronomical datasets, but a few challenges remain. We show here, for example, that different methods,…

Instrumentation and Methods for Astrophysics · Physics 2019-11-19 Itamar Reis , Michael Rotman , Dovi Poznanski , J. Xavier Prochaska , Lior Wolf

Galaxy groups have been under-studied relative to their richer counterparts -- clusters. The Group Evolution Multiwavelength Study (GEMS) aims to redress some the balance. Here we describe the GEMS sample selection and resulting sample of…

scida is a Python package for reading and analyzing large scientific data sets with support for various cosmological and galaxy formation simulations out-of-the-box. Data access is provided through a hierarchical dictionary-like data…

Instrumentation and Methods for Astrophysics · Physics 2024-02-29 Chris Byrohl , Dylan Nelson

As part of the EU-funded Center of Excellence SPACE (Scalable Parallel Astrophysical Codes for Exascale), seven commonly used astrophysics simulation codes are being optimized to exploit exascale computing platforms. Exascale cosmological…

Instrumentation and Methods for Astrophysics · Physics 2025-05-09 Bernd Doser , Kai L. Polsterer , Andreas Fehlner , Sebastian Trujillo-Gomez

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…