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Virtual observatories will give astronomers easy access to an unprecedented amount of data. Extracting scientific knowledge from these data will increasingly demand both efficient algorithms as well as the power of parallel computers.…

Astrophysics · Physics 2007-09-14 Jeffrey P. Gardner , Andrew Connolly , Cameron McBride

Radio astronomy observatories with high throughput back end instruments require real-time data processing. While computing hardware continues to advance rapidly, development of real-time processing pipelines remains difficult and…

Spaceborne systems, such as communication satellites, sensory, surveillance, GPS and a multitude of other functionalities, form an integral part of global ICT cyberinfrastructures. However, a focussed discourse highlighting the distinctive…

Cryptography and Security · Computer Science 2023-03-21 Vijay Varadharajan , Neeraj Suri

Computer simulations have become a very powerful tool for scientific research. Given the vast complexity that comes with many open scientific questions, a purely analytical or experimental approach is often not viable. For example,…

Neural and Evolutionary Computing · Computer Science 2016-07-12 Roman Bauer , Lukas Breitwieser , Alberto Di Meglio , Leonard Johard , Marcus Kaiser , Marco Manca , Manuel Mazzara , Max Talanov

There has been an unprecedented and continuing growth in the volume, quality, and complexity of astronomical data sets over the past few years, mainly through large digital sky surveys. Virtual Observatory (VO) concept represents a…

Astrophysics · Physics 2007-05-23 S. G. Djorgovski , R. Brunner , A. Mahabal , R. Williams , R. Granat , P. Stolorz

High-quality, usable, and effective software is essential for supporting astronomers in the discovery-focused tasks of data analysis and visualisation. As the volume, and perhaps more crucially, the velocity of astronomical data grows, the…

Instrumentation and Methods for Astrophysics · Physics 2020-09-01 Christopher J. Fluke , Sarah E. Hegarty , Clare O. -M. MacMahon

The availability of new Cloud Platform offered by Google motivated us to propose nine Proof of Concepts (PoC) aiming to demonstrated and test the capabilities of the platform in the context of scientifically-driven tasks and requirements.…

Instrumentation and Methods for Astrophysics · Physics 2019-03-11 M. Landoni , G. Taffoni , A. Bignamini , R. Smareglia

The data volumes stored in telescope archives is constantly increasing due to the development and improvements in the instrumentation. Often the archives need to be stored over a distributed storage architecture, provided by independent…

Instrumentation and Methods for Astrophysics · Physics 2022-02-07 Y. G. Grange , V. N. Pandey , X. Espinal , R. Di Maria , A. P. Millar

The Galactica simulation database is a platform designed to assist computational astrophysicists with their open science approach based on FAIR (Findable, Accessible, Interoperable, Reusable) principles. It offers the means to publish their…

Instrumentation and Methods for Astrophysics · Physics 2024-11-14 Damien Chapon , Patrick Hennebelle

We present MUSE, a software framework for combining existing computational tools for different astrophysical domains into a single multiphysics, multiscale application. MUSE facilitates the coupling of existing codes written in different…

Astrophysics · Physics 2009-11-13 Simon Portegies Zwart , Steve McMillan , Stefan Harfst , Derek Groen , Michiko Fujii

We advocate in this paper the use of grid-based infrastructures that are designed for seamless approaches to the numerical expert users, i.e., the multiphysics applications designers. It relies on sophisticated computing environments based…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-16 Toan Nguyen , Lizhe Wang , Vittorio Selmin

Developing a theory of low-mass star formation ($\sim 0.1$ to 3~M$_{\odot}$) remains one of the most elusive and important goals of theoretical astrophysics. The star-formation process is the outcome of the complex dynamics of interstellar…

Astrophysics · Physics 2007-05-23 Richard I. Klein , Shu-ichiro Inutsuka , Paolo Padoan , Kohji Tomisaka

We present the "Galaxy Cluster Merger Catalog." This catalog provides an extensive suite of mock observations and related data for N-body and hydrodynamical simulations of galaxy cluster mergers and clusters from cosmological simulations.…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-27 J. A. ZuHone , K. Kowalik , E. Ohman , E. Lau , D. Nagai

We review the current state of data mining and machine learning in astronomy. 'Data Mining' can have a somewhat mixed connotation from the point of view of a researcher in this field. If used correctly, it can be a powerful approach,…

Instrumentation and Methods for Astrophysics · Physics 2010-08-11 Nicholas M. Ball , Robert J. Brunner

Simulations inform all aspects of modern astrophysical research, ranging in scale from 1D and 2D test problems that can run in seconds on an astronomer's laptop all the way to large-scale 3D calculations that run on the largest…

Instrumentation and Methods for Astrophysics · Physics 2017-11-29 Nathan J Goldbaum

In this review, we explore the historical development and future prospects of artificial intelligence (AI) and deep learning in astronomy. We trace the evolution of connectionism in astronomy through its three waves, from the early use of…

Instrumentation and Methods for Astrophysics · Physics 2023-06-01 Michael J. Smith , James E. Geach

The tens of millions of radio sources to be detected with next-generation surveys pose new challenges, quite apart from the obvious ones of processing speed and data volumes. For example, existing algorithms are inadequate for source…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 Ray P. Norris

The situation of data sharing in astronomy is positioned in the current general context of a political push towards, and rapid development of, scientific data sharing. Data is already one of the major infrastructures of astronomy, thanks to…

Instrumentation and Methods for Astrophysics · Physics 2018-08-08 Francoise Genova

Collisions of main sequence stars occur frequently in dense star clusters. In open and globular clusters, these collisions produce merger remnants that may be observed as blue stragglers. Detailed theoretical models of this process require…

In the era of big data astronomy, next generation telescopes and large sky surveys produce data sets at the TB or even PB level. Due to their large data volumes, these astronomical data sets are extremely difficult to transfer and analyze…