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The Virtual Observatory is now mature enough to produce cutting-edge science results. The exploitation of astronomical data beyond classical identification limits with interoperable tools for statistical identification of sources has become…

Astrophysics · Physics 2007-05-23 P. Padovani

Machine learning can provide powerful tools to detect patterns in multi-dimensional parameter space. We use K-means -a simple yet powerful unsupervised clustering algorithm which picks out structure in unlabeled data- to study a sample of…

Astrophysics of Galaxies · Physics 2016-03-11 Aycha Tammour , Sarah C. Gallagher , Mark Daley , Gordon T. Richards

Recent and forthcoming advances in instrumentation, and giant new surveys, are creating astronomical data sets that are not amenable to the methods of analysis familiar to astronomers. Traditional methods are often inadequate not merely…

Instrumentation and Methods for Astrophysics · Physics 2024-01-30 Meyer Z. Pesenson , Isaac Z. Pesenson , Bruce McCollum

Significant developments made in quantum hardware and error correction recently have been driving quantum computing towards practical utility. However, gaps remain between abstract quantum algorithmic development and practical applications…

We present a description of the public code XIM, a virtual X-ray observatory. XIM can be used to convert hydrodynamic simulations of astrophysical objects, such as large scale structure, galaxy clusters, groups, galaxies, supernova…

Instrumentation and Methods for Astrophysics · Physics 2009-03-03 S. Heinz , M. Brüggen

Modern galaxy cluster science is a multi-wavelength endeavor with cornerstones provided by X-ray, optical/IR, mm, and radio measurements. In combination, these observations enable the construction of large, clean, complete cluster catalogs,…

Data volumes from multiple sky surveys have grown from gigabytes into terabytes during the past decade, and will grow from terabytes into tens (or hundreds) of petabytes in the next decade. This exponential growth of new data both enables…

Instrumentation and Methods for Astrophysics · Physics 2009-11-04 Kirk D. Borne

Quasometry is precision measurement of celestial positions and apparent motion of very distant extragalactic objects, such as quasars, galactic nuclei, and QSOs. We use this term to identify a specific area of research, the methodology of…

Instrumentation and Methods for Astrophysics · Physics 2012-02-24 Valeri Makarov , Ciprian Berghea , David Boboltz , Christopher Dieck , Bryan Dorland , Rachel Dudik , Alan Fey , Ralph Gaume , Norbert Zacharias , Xuming Lei , Henrique Schmitt

Over the past few years, quantum computers and quantum algorithms have attracted considerable interest and attention from numerous scientific disciplines. In this article, we aim to provide a non-technical, yet informative introduction to…

Quantum Physics · Physics 2023-04-05 Felix Tennie , Tim Palmer

In dense clusters a bewildering variety of interactions between stars can be observed, ranging from simple encounters to collisions and other mass-transfer encounters. With faster and special-purpose computers like GRAPE, the amount of data…

Recent all-sky and large-area astronomical surveys and their catalogued data over the whole range of electromagnetic spectrum are reviewed, from Gamma-ray to radio, such as Fermi-GLAST and INTEGRAL in Gamma-ray, ROSAT, XMM and Chandra in…

Instrumentation and Methods for Astrophysics · Physics 2015-11-24 A. M. Mickaelian

The era of data-intensive astronomy is being ushered in with the increasing size and complexity of observational data across wavelength and time domains, the development of algorithms to extract information from this complexity, and the…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 Mubdi Rahman , Dustin Lang , Renée Hložek , Jo Bovy , Laurence Perreault-Levasseur

Chaos is a phenomenon that occurs in many aspects of contemporary science. In classical dynamics, chaos is defined as a hypersensitivity to initial conditions. The presence of chaos is often unwanted, as it introduces unpredictability,…

Optics · Physics 2012-09-25 C. Liu , A. Di Falco , D. Molinari , Y. Khan , B. S. Ooi , T. F. Krauss , A. Fratalocchi

Astrophysics lies at the crossroads of big datasets (such as the Large Synoptic Survey Telescope and Gaia), open source software to visualize and interpret high dimensional datasets (such as Glue, WorldWide Telescope, and OpenSpace), and…

Astronomy is entering a new era of discovery, coincident with the establishment of new facilities for observation and simulation that will routinely generate petabytes of data. While an increasing reliance on automated data analysis is…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Amr Hassan , Christopher J. Fluke

Scientists across all disciplines increasingly rely on machine learning algorithms to analyse and sort datasets of ever increasing volume and complexity. Although trends and outliers are easily extracted, careful and close inspection will…

Instrumentation and Methods for Astrophysics · Physics 2021-09-16 T. H. Jarrett , A. Comrie , L. Marchetti , A. Sivitilli , S. Macfarlane , F. Vitello , U. Becciani , A. R. Taylor , J. M. van der Hulst , P. Serra , N. Katz , M. Cluver

We present a research roadmap of a Planetary Nervous System (PNS), capable of sensing and mining the digital breadcrumbs of human activities and unveiling the knowledge hidden in the big data for addressing the big questions about social…

Computers and Society · Computer Science 2013-04-15 Fosca Giannotti , Dino Pedreschi , Alex , Pentland , Paul Lukowicz , Donald Kossmann , James Crowley , Dirk Helbing

Data analysis in space sciences has been performed exclusively visually for years, despite the fact that the largest amount of data belongs to non-visible portions of the electromagnetic spectrum. This, on the one hand, limits the study of…

Instrumentation and Methods for Astrophysics · Physics 2023-05-10 Johanna Casado , Beatriz García

Understanding quantum chaos is of profound theoretical interest and carries significant implications for various applications, from condensed matter physics to quantum error correction. Recently, out-of-time ordered correlators (OTOCs) have…

Quantum Physics · Physics 2024-09-17 Naga Dileep Varikuti

Nowadays there is no field research which is not flooded with data. Among the sciences, Astrophysics has always been driven by the analysis of massive amounts of data. The development of new and more sophisticated observation facilities,…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 Mauro Garofalo , Alessio Botta , Giorgio Ventre
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