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Current and future large astronomical surveys will yield multiparameter databases on millions or even billions of objects. The scientific exploitation of these will require powerful, robust, and automated classification tools tailored to…

Astrophysics · Physics 2007-05-23 C. A. L. Bailer-Jones

We investigate star-galaxy classification for astronomical surveys in the context of four methods enabling the interpretation of black-box machine learning systems. The first is outputting and exploring the decision boundaries as given by…

Instrumentation and Methods for Astrophysics · Physics 2018-09-26 Xan Morice-Atkinson , Ben Hoyle , David Bacon

This paper describes the design and implementation of Stingray, a library in Python built to perform time series analysis and related tasks on astronomical light curves. Its core functionality comprises a range of Fourier analysis…

Instrumentation and Methods for Astrophysics · Physics 2019-08-12 D. Huppenkothen , M. Bachetti , A. L. Stevens , S. Migliari , P. Balm , O. Hammad , U. M. Khan , H. Mishra , H. Rashid , S. Sharma , R. V. Blanco , E. M. Ribeiro

The observational basis for asteroseismology is being dramatically strengthened, through more than two years of data from the CoRoT satellite, the flood of data coming from the Kepler mission and, in the slightly longer term, from dedicated…

Solar and Stellar Astrophysics · Physics 2011-03-28 J. Christensen-Dalsgaard , G. Houdek

VizieR is a database grouping in an homogeneous way thousands of astronomical catalogues gathered since decades by the Centre de Donnees de Strasbourg (CDS) and participating institutes. The history and current status of this large…

Astrophysics · Physics 2009-10-31 Francois Ochsenbein , Patricia Bauer , James Marcout

The NASA Astrophysics Data System (ADS) is an essential tool for researchers that allows them to explore the astronomy and astrophysics scientific literature, but it has yet to exploit recent advances in natural language processing. At…

Over the past few years, the role of visualization for scientific purpose has grown up enormously. Astronomy makes an extended use of visualization techniques to analyze data, and scientific visualization has became a fundamental part of…

Astrophysics · Physics 2007-05-23 U. Becciani , V. Antonuccio-Delogu , C. Gheller , L. Calori , F. Buonomo , S. Imboden

Satellite missions demand ever greater connectivity, especially in the LEO regime. In this paper, we introduce the new mega-constellation services in space paradigm: we show that megaconstellations, deployed to offer innovative services to…

Signal Processing · Electrical Eng. & Systems 2025-12-30 G. Maiolini Capez , M. A. Caceres , C. P. Bridges , S. Frey , R. Armellin , R. Garello , P. Bargellini

The expansion of satellite constellations poses a significant challenge to optical ground-based astronomical observations, as satellite trails degrade observational data and compromise research quality. Addressing these challenges requires…

Instrumentation and Methods for Astrophysics · Physics 2024-12-18 F. Stoppa , P. J. Groot , R. Stuik , P. Vreeswijk , S. Bloemen , D. L. A. Pieterse , P. A. Woudt

I review some of the past and current methods for retrieval of literature and other published information, excluding commercial services. Much of this is a personal view and based on experience made at various institutions, some of them…

Astrophysics · Physics 2007-05-23 Heinz Andernach

Asteroseismology has emerged as the best way to characterize the global and internal properties of nearby stars. Often, this characterization is achieved by fitting stellar evolution models to asteroseismic observations. The star under…

Solar and Stellar Astrophysics · Physics 2020-12-25 Earl P. Bellinger , Sarbani Basu , Saskia Hekker

We introduce AXS (Astronomy eXtensions for Spark), a scalable open-source astronomical data analysis framework built on Apache Spark, a widely used industry-standard engine for big data processing. Building on capabilities present in Spark,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-10 Petar Zečević , Colin T. Slater , Mario Jurić , Andrew J. Connolly , Sven Lončarić , Eric C. Bellm , V. Zach Golkhou , Krzysztof Suberlak

ASTROSAT is an astronomy satellite designed for simultaneous multi-wavelength studies in the Optical/UV and a broad X-ray energy range. With four X-ray instruments and a pair of UV-Optical telescopes, ASTROSAT will provide unprecendented…

High Energy Astrophysical Phenomena · Physics 2013-07-23 Biswajit Paul

Machine learning algorithms are highly useful for the classification of time series data in astronomy in this era of peta-scale public survey data releases. These methods can facilitate the discovery of new unknown events in most…

Instrumentation and Methods for Astrophysics · Physics 2018-09-10 J. B. Cabral , B. Sánchez , F. Ramos , S. Gurovich , P. Granitto , J. Vanderplas

Agama (Action-based Galaxy Modelling Architecture) is a software library intended for a broad range of tasks within the field of stellar dynamics. As the name suggests, it is centered around the use of action/angle formalism to describe the…

Instrumentation and Methods for Astrophysics · Physics 2019-12-12 Eugene Vasiliev

The STAR architecture was designed to test the value of the full Selective Tuning model of visual attention for complex real-world visuospatial tasks and behaviors. However, knowledge of how humans solve such tasks in 3D as active observers…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Markus D. Solbach , John K. Tsotsos

The term Assistive Technology has evolved over the years and identifies equipment or product systems, whether acquired, modified, or customized, that are used to increase, maintain, or improve functional capabilities of individuals with…

Human-Computer Interaction · Computer Science 2022-01-19 Matteo Zallio , Takumi Ohashi

The Target infrastructure has been specially built as a storage and compute infrastructure for the information systems derived from Astro-WISE. This infrastructure will be used by several applications that collaborate in the area of…

Instrumentation and Methods for Astrophysics · Physics 2011-10-06 A. N. Belikov , F. Dijkstra , J. A. Gankema , J. B. A. N. van Hoof , R. Koopman

Increasingly there is a need to develop astronomical visualisation and manipulations tools which allow viewers to interact with displayed data directly, in real time and across a range of platforms. In addition, increases in dynamic range…

Instrumentation and Methods for Astrophysics · Physics 2016-01-05 P. Mohan , C. Hawkins , R. Klapaukh , M. Johnston-Hollitt

The AiTLAS toolbox (Artificial Intelligence Toolbox for Earth Observation) includes state-of-the-art machine learning methods for exploratory and predictive analysis of satellite imagery as well as repository of AI-ready Earth Observation…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Ivica Dimitrovski , Ivan Kitanovski , Panče Panov , Nikola Simidjievski , Dragi Kocev