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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

We introduce the Wide-field Retrieval of Astrodata Program (WRAP), a tool created to aid astronomers in gathering photometric and astrometric data for point sources that may confuse simple cross-matching algorithms because of their…

Advanced instruments in a variety of scientific domains are collecting massive amounts of data that must be post-processed and organized to support scientific research activities. Astronomers have been pioneers in the use of databases to…

Astrophysics · Physics 2007-05-23 Y. Dora Cai , Ruth Aydt , Robert J. Brunner

The amount of data produced by large observational facilities and space missions has led to the archiving and on-line accessibility of much of this data, available to the entire astronomical community. This allows a much wider…

Astrophysics · Physics 2009-10-22 H. Andernach , R. J. Hanisch , F. Murtagh

The accelerating expansion of the Universe is one of the most surprising and potentially profound discoveries of modern cosmology. Measuring the acceleration well enough to meaningfully constrain interesting physical models requires…

Astrophysics · Physics 2009-11-13 G. Aldering

The changing heavens have played a central role in the scientific effort of astronomers for centuries. Galileo's synoptic observations of the moons of Jupiter and the phases of Venus starting in 1610, provided strong refutation of Ptolemaic…

Instrumentation and Methods for Astrophysics · Physics 2015-03-19 Joshua S. Bloom , Joseph W. Richards

In an era where astronomical data is expanding at an unprecedented rate, the importance of data sharing and accessibility among astronomy archives cannot be overstated. Since the 1990s, an international partnership between the Space…

Instrumentation and Methods for Astrophysics · Physics 2025-06-16 David R. Rodriguez , Maria Arevalo , Patrick Dowler , Javier Espinosa , Brian McLean , Chris Willott

Cosmic demographics -- the statistical study of populations of astrophysical objects -- has long relied on *multivariate statistics*, providing methods for analyzing data comprising fixed-length vectors of properties of objects, as might be…

Instrumentation and Methods for Astrophysics · Physics 2024-08-27 Thomas Loredo , Tamas Budavari , David Kent , David Ruppert

Astronomy has entered the big data era and Machine Learning based methods have found widespread use in a large variety of astronomical applications. This is demonstrated by the recent huge increase in the number of publications making use…

Instrumentation and Methods for Astrophysics · Physics 2018-07-17 Massimo Brescia , Stefano Cavuoti , Valeria Amaro , Giuseppe Riccio , Giuseppe Angora , Civita Vellucci , Giuseppe Longo

Sharing scientific data, with the objective of making it fully discoverable, accessible, assessable, intelligible, usable, and interoperable, requires work at the disciplinary level to define in particular how the data should be formatted…

Instrumentation and Methods for Astrophysics · Physics 2017-10-19 Françoise Genova , Christophe Arviset , Bridget M. Almas , Laura Bartolo , Daan Broeder , Emily Law , Brian McMahon

We have built a reliable and robust system that takes as input an astronomical image, and returns as output the pointing, scale, and orientation of that image (the astrometric calibration or WCS information). The system requires no first…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Dustin Lang , David W. Hogg , Keir Mierle , Michael Blanton , Sam Roweis

The modern astrophysics is moving towards the enlarging of experiments and combining the channels for detecting the highest energy processes in the Universe. To obtain reliable data, the experiments should operate within several decades,…

Instrumentation and Methods for Astrophysics · Physics 2020-09-24 Yulia Kazarina , Vasiliy Khristyuk , Alexander Kruykov , Evgeny Postnikov , Vladimir Samoliga , Alexey Shigarov , Victoria Tokareva , Dmitriy Zhurov

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

The next decade will feature a growing number of massive ground-based photometric, spectroscopic, and time-domain surveys, including those produced by DECam, DESI, and LSST. The NOAO Data Lab was launched in 2017 to enable efficient…

Instrumentation and Methods for Astrophysics · Physics 2019-08-05 Knut Olsen , Adam Bolton , Stephanie Juneau , Robert Nikutta , Dara Norman , David Nidever , Stephen Ridgway , Adam Scott , Benjamin Weaver

The healthcare environment is commonly referred to as "information-rich" but also "knowledge poor". Healthcare systems collect huge amounts of data from various sources: lab reports, medical letters, logs of medical tools or programs,…

Computation and Language · Computer Science 2024-01-22 Elena-Simona Apostol , Ciprian-Octavian Truică

In the last decade a new generation of telescopes and sensors has allowed the production of a very large amount of data and astronomy has become, a data-rich science; this transition is often labeled as: "data revolution" and "data…

Instrumentation and Methods for Astrophysics · Physics 2013-04-25 Stefano Cavuoti

Astronomical datasets are growing in size and diversity, posing severe technical problems. At the same time scientific goals increasingly require the analysis of very large amounts of data, and data from multiple archives. The Virtual…

Instrumentation and Methods for Astrophysics · Physics 2009-05-14 A. Lawrence

The Cosmoglobe project is a global effort to jointly analyze complementary cosmological and astrophysical datasets, in order to better understand our Universe and its evolution. This paper describes the goals and motivations of the project,…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-21 Ana Isabel Silva Martins , Cosmoglobe Collaboration

Astronomy has a rich tradition of using color photography and imaging, for visualization in research as well as for sharing scientific discoveries in formal and informal education settings (i.e., for "public outreach.") In the modern era,…

Instrumentation and Methods for Astrophysics · Physics 2017-04-26 Travis A. Rector , Zoltan G. Levay , Lisa M. Frattare , Kimberly K. Arcand , Megan Watzke

Indigenous Knowledge is important for Indigenous communities across the globe and for the advancement of our general scientific knowledge. In particular, Indigenous astronomical knowledge integrates many aspects of Indigenous Knowledge,…

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