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The Square Kilometre Array (SKA) project is an international cooperation project to build the largest radio telescope worldwide. Data processing is one of the biggest challenges of building the SKA telescope. As a distributed execution…

Instrumentation and Methods for Astrophysics · Physics 2021-12-28 Ying Mei , Shoulin Wei , Feng Wang , Chen Wu , Rodrigo Tobar , Mohsim Shaikh , Hui Deng , Wei Dai , Bo Liang , Andreas Wicenec

The Data Activated Liu Graph Engine - DALiuGE - is an execution framework for processing large astronomical datasets at a scale required by the Square Kilometre Array Phase 1 (SKA1). It includes an interface for expressing complex data…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-02-27 Chen Wu , Rodrigo Tobar , Kevin Vinsen , Andreas Wicenec , Dave Pallot , Baoqiang Lao , Ruonan Wang , Tao An , Mark Boulton , Ian Cooper , Richard Dodson , Markus Dolensky , Ying Mei , Feng Wang

Computational workflow management systems power contemporary data-intensive sciences. The slowly resolving reproducibility crisis presents both a sobering warning and an opportunity to iterate on what science and data processing entails.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-24 Nicholas J. Pritchard , Andreas Wicenec

The domain of radio astronomy is currently facing significant computational challenges, foremost amongst which are those posed by the development of the world's largest radio telescope, the Square Kilometre Array (SKA). Preliminary…

Instrumentation and Methods for Astrophysics · Physics 2016-11-17 R. J. Lyon , J. M. Brooke , J. D. Knowles , B. W. Stappers

The Square Kilometer Array (SKA) would be the world's largest radio telescope with eventually over a square kilometer of collecting area. However, there are enormous challenges in its data processing. The using of modern distributed…

Instrumentation and Methods for Astrophysics · Physics 2021-06-02 Shoulin Wei , Kaida Luo , Feng Wang , Hui Deng , Ying Mei

The Square Kilometre Array (SKA) will be both the largest radio telescope ever constructed and the largest Big Data project in the known Universe. The first phase of the project will generate on the order of 5 zettabytes of data per year. A…

Instrumentation and Methods for Astrophysics · Physics 2018-11-21 Jamie Farnes , Ben Mort , Fred Dulwich , Stef Salvini , Wes Armour

The Square Kilometre Array (SKA, https://skatelescope.org) will be the world's largest radio telescope. SKA Science Data Challenges will be regularly issued to the community as part of the science preparatory activities. The purpose of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Anna Bonaldi , Robert Braun

As the largest radio telescope in the world, the Square Kilometre Array (SKA) will lead the next generation of radio astronomy. The feats of engineering required to construct the telescope array will be matched only by the techniques…

The Square Kilometre Array (SKA) Observatory is gearing up the formal construction of its two radio interferometers in Australia and South Africa after the end of design and pre-construction phases. Agile methodologies, the Cloud native…

The Square Kilometre Array (SKA) is an international initiative for developing the world's largest radio telescope with a total collecting area of over a million square meters. The scale of the operation, combined with the remote location…

Performance · Computer Science 2021-11-11 Karel Adámek , Jan Novotný , Jeyarajan Thiyagalingam , Wesley Armour

Upcoming large scale telescope projects such as the Square Kilometre Array (SKA) will see high data rates and large data volumes; requiring tools that can analyse telescope event data quickly and accurately. In modern radio telescopes,…

Instrumentation and Methods for Astrophysics · Physics 2020-01-17 Cees Carels , Karel Adámek , Jan Novotný , Wesley Armour

The Square Kilometre Array (SKA) is the largest radio interferometer under construction in the world. The high accuracy, wide-field and large size imaging significantly challenge the construction of the Science Data Processor (SDP) of SKA.…

Instrumentation and Methods for Astrophysics · Physics 2022-07-20 Yangfan Xie , Feng Wang , Hui Deng , Ying Mei , Ying-He Celeste Lu , Gabriella Hodosan , Vladislav Stolyarov , Oleg Smirnov , Xiaofeng Li , Tim Cornwell

When completed the Square Kilometre Array (SKA) will feature an unprecedented rate of image generation. While previous generations of telescopes have relied on human expertise to extract scientifically interesting information from the…

Instrumentation and Methods for Astrophysics · Physics 2016-01-19 C. Hollitt , M. Johnston-Hollitt , S. Dehghan , M. Frean , T. Bulter-Yeoman

The Square Kilometre Array (SKA) will form the largest radio telescope ever built and such a huge instrument in the desert poses enormous engineering and logistic challenges. Algorithmic and architectural breakthroughs are needed. Data is…

Instrumentation and Methods for Astrophysics · Physics 2014-11-17 Orhan Ocal , Paul Hurley , Giovanni Cherubini , Sanaz Kazemi

Radio-astronomy is about to embark on a new way of doing science. The revolution that is about to take place is not due to the enormous sensitivity of the Square Kilometre Array, which is still a decade away, but due to its pathfinders,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Ray P. Norris

The Square Kilometre Array (SKA) is a planned radio interferometer of unprecedented scale that will revolutionize low-frequency radio astronomy when completed. In particular, one of its core science drivers is the systematic mapping of the…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-11 Nichole Barry , Gianni Bernardi , Bradley Greig , Nicholas Kern , Florent Mertens

The Square Kilometer Array (SKA) is an international effort to build the world's largest radio telescope, with one square kilometer collecting area. Besides its ambitious scientific objectives, such as probing the cosmic dawn and cradle of…

Instrumentation and Detectors · Physics 2015-04-23 B. Wang , X. Zhu , C. Gao , Y. Bai , J. W. Dong , L. J. Wang

The Square Kilometre Array (SKA) project is an international effort to build the world's most sensitive radio telescope operating in the 50 MHz to 14 GHz frequency range. Construction of the SKA is divided into phases, with the first phase…

Instrumentation and Methods for Astrophysics · Physics 2018-08-15 Sascha Schediwy , David Gozzard

The Square Kilometre Array (SKA), which will be the world's largest radio telescope, will enhance and boost a large number of science projects, including the search for pulsars. The frequency domain acceleration search is an efficient…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-07 Haomiao Wang , Prabu Thiagaraj , Oliver Sinnen
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