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Astronomical photometry is the science of measuring the flux of a celestial object. Since its introduction, the CCD has been the principle method of measuring flux to calculate the apparent magnitude of an object. Each CCD image taken must…

Instrumentation and Methods for Astrophysics · Physics 2015-02-11 Paul Doyle

Radio interferometry is an observational technique used to study astrophysical phenomena. Data gathered by an interferometer requires substantial processing before astronomers can extract the scientific information from it. Data processing…

Instrumentation and Methods for Astrophysics · Physics 2024-12-24 Brian M. Kirk , Urvashi Rau , Ramyaa Ramyaa

In this article, we present the High-Performance Output (HiPO) data format developed at Jefferson Laboratory for storing and analyzing data from Nuclear Physics experiments. The format was designed to efficiently store large amounts of…

Data Analysis, Statistics and Probability · Physics 2025-07-22 Gagik Gavalian

Most of the space projects or large observatories do have official tools like simulators, end-to-end pipelines developed during years by a large team of contributors. They are like {\em cathedrals}. In this paper, we show that very…

Instrumentation and Methods for Astrophysics · Physics 2025-02-20 R. Gastaud , A. Coulais

Apache Flink is an open-source system for scalable processing of batch and streaming data. Flink does not natively support efficient processing of spatial data streams, which is a requirement of many applications dealing with spatial data.…

Databases · Computer Science 2020-08-04 Salman Ahmed Shaikh , Komal Mariam , Hiroyuki Kitagawa , Kyoung-Sook Kim

Software correlation, where a correlation algorithm written in a high-level language such as C++ is run on commodity computer hardware, has become increasingly attractive for small to medium sized and/or bandwidth constrained radio…

Instrumentation and Methods for Astrophysics · Physics 2019-08-19 A. T. Deller , W. F. Brisken , C. J. Phillips , J. Morgan , W. Alef , R. Cappallo , E. Middelberg , J. Romney , H. Rottmann , S. J. Tingay , R. Wayth

Tracking the 3D shape of a deforming object using only monocular 2D vision is a challenging problem. This is because one should (i) infer the 3D shape from a 2D image, which is a severely underconstrained problem, and (ii) implement the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Mohammadreza Shetab-Bushehri , Miguel Aranda , Youcef Mezouar , Adrien Bartoli , Erol Ozgur

Transient radio phenomena and pulsars are one of six LOFAR Key Science Projects (KSPs). As part of the Transients KSP, the Pulsar Working Group (PWG) has been developing the LOFAR Pulsar Data Pipelines to both study known pulsars as well as…

Instrumentation and Methods for Astrophysics · Physics 2015-03-17 A. Alexov , J. W. T. Hessels , J. D. Mol , B. Stappers , J. van Leeuwen

Astronomy is entering in a new era of Extreme Intensive Data Computation and we have identified three major issues the new generation of projects have to face: Resource optimization, Heterogeneous Software Ecosystem and Data Transfer. We…

Instrumentation and Methods for Astrophysics · Physics 2012-12-11 Nicolas Kamennoff , Sébastien Foucaud , Sébastien Reybier

Pioneering data profiling systems such as Metanome and OpenClean brought public attention to science-intensive data profiling. This type of profiling aims to extract complex patterns (primitives) such as functional dependencies, data…

Deep learning techniques are becoming increasingly important to solve a number of image processing tasks. Among common algorithms, Convolutional Neural Networks and Recurrent Neural Networks based systems achieve state of the art results on…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Rémi Cresson

Performing data-intensive analytics is an essential part of modern Earth science. As such, research in atmospheric physics and meteorology frequently requires the processing of very large observational and/or modeled datasets. Typically,…

Databases · Computer Science 2021-09-17 Justus Henneberg , Felix Schuhknecht , Philipp Reutter , Nils Brast , Peter Spichtinger

The Pan-STARRS Data Processing System is responsible for the steps needed to downloaded, archive, and process all images obtained by the Pan-STARRS telescopes, including real-time detection of transient sources such as supernovae and moving…

Scikit-multiflow is a multi-output/multi-label and stream data mining framework for the Python programming language. Conceived to serve as a platform to encourage democratization of stream learning research, it provides multiple state of…

Machine Learning · Computer Science 2020-05-18 Jacob Montiel , Jesse Read , Albert Bifet , Talel Abdessalem

Astronomy depends on ever increasing computing power. Processor clock-rates have plateaued, and increased performance is now appearing in the form of additional processor cores on a single chip. This poses significant challenges to the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

The past few decades have seen the burgeoning of wide field, high cadence surveys, the most formidable of which will be the Legacy Survey of Space and Time (LSST) to be conducted by the Vera C. Rubin Observatory. So new is the field of…

We present a history matching (HM) workflow applied to the International FluidFlower benchmark study dataset, which features high-resolution images of CO$_2$ storage in a meter-scale, geologically complex reservoir. The dataset provides…

Scientific workflows are a cornerstone of modern scientific computing. They are used to describe complex computational applications that require efficient and robust management of large volumes of data, which are typically stored/processed…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-03 Rafael Ferreira da Silva , Loïc Pottier , Tainã Coleman , Ewa Deelman , Henri Casanova

Modern parallel filesystems such as Lustre are designed to provide high, scalable I/O bandwidth in response to growing I/O requirements; however, the bursty I/O characteristics of many data-intensive scientific applications make it…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-08 Teng Wang , Sarp Oral , Michael Pritchard , Kevin Vasko , Weikuan Yu

Accurate flux density calibration is essential for precise analysis and interpretation of observations across different observation modes and instruments. In this research, we firstly introduce the flux calibration model incorporated in…

Instrumentation and Methods for Astrophysics · Physics 2024-09-04 Ziming Liu , Jie Wang , Yingjie Jing , Zhi-Yu Zhang , Chen Xu , Tiantian Liang , Qingze Chen , Ningyu Tang , Qingliang Yang