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200 papers

Contemporary cosmic microwave background (CMB) experiments typically have observing bands covering the range 20 - 800 GHz. Certain science goals, including the detection of $\mu$-type distortions to the CMB spectrum and the characterization…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-07 David Zegeye , Thomas Crawford , Jens Chluba , Mathieu Remazeilles , Keith Grainge

The Square Kilometer Array will be operating at the same time with several new large optical, X-ray and Gamma-ray facilities currently under construction or planned. Fostering synergies in astrophysical research made across different…

Astrophysics · Physics 2015-06-24 Andrei P. Lobanov

We present and analyse the results of the Science data challenge 3a (SDC3a, https://sdc3.skao.int/challenges/foregrounds), an EoR foreground-removal community-wide exercise organised by the Square Kilometre Array Observatory (SKAO). The…

Instrumentation and Methods for Astrophysics · Physics 2025-10-10 A. Bonaldi , P. Hartley , R. Braun , S. Purser , A. Acharya , K. Ahn , M. Aparicio Resco , O. Bait , M. Bianco , A. Chakraborty , E. Chapman , S. Chatterjee , K. Chege , H. Chen , X. Chen , Z. Chen , L. Conaboy , M. Cruz , L. Darriba , M. De Santis , P. Denzel , K. Diao , J. Feron , C. Finlay , B. Gehlot , S. Ghosh , S. K. Giri , R. Grumitt , S. E. Hong , T. Ito , M. Jiang , C. Jordan , S. Kim , M. Kim , J. Kim , S. P. Krishna , A. Kulkarni , M. López-Caniego , I. Labadie-García , H. Lee , D. Lee , N. Lee , J. Line , Y. Liu , Y. Mao , A. Mazumder , F. G. Mertens , S. Munshi , A. Nasirudin , S. Ni , V. Nistane , C. Norregaard , D. Null , A. Offringa , M. Oh , S. -H. Oh , D. Parkinson , J. Pritchard , M. Ruiz-Granda , V. Salvador López , H. Shan , R. Sharma , C. Trott , S. Yoshiura , L. Zhang , X. Zhang , Q. Zheng , Z. Zhu , S. Zuo , T. Akahori , P. Alberto , E. Allys , T. An , D. Anstey , J. Baek , Basavraj , S. Brackenhoff , P. Browne , E. Ceccotti , H. Chen , T. Chen , S. Choudhuri , M. Choudhury , J. Coles , J. Cook , D. Cornu , S. Cunnington , S. Das , E. De Lera Acedo , J. -M. Delou is , F. Deng , J. Ding , K. M. A. Elahi , P. Fernandez , C. Fernández , A. Fernández Alcázar , V. Galluzzi , L. -Y. Gao , U. Garain , J. Garrido , M. -L. Gendron-Marsolais , T. Gessey-Jones , H. Ghorbel , Y. Gong , S. Guo , K. Hasegawa , T. Hayashi , D. Herranz , V. Holanda , A. J. Holloway , I. Hothi , C. Höfer , V. Jelić , Y. Jiang , X. Jiang , H. Kang , J. -Y. Kim , L. V. Koopmans , R. Lacroix , E. Lee , S. Leeney , F. Levrier , Y. Li , Y. Liu , Q. Ma , R. Meriot , A. Mesinger , M. Mevius , T. Minoda , M. -A. Miville-Deschenes , J. Moldon , R. Mondal , C. Murmu , S. Murray , Nirmala SR , Q . Niu , C. Nunhokee , O. O'Hara , S. K. Pal , S. Pal , J. Park , M. Parra , N. N. Pa tra , B. Pindor , M. Remazeilles , P. Rey , J. A. Rubino-Martin , S. Saha , A. Selvaraj , B. Semelin , R. Shah , Y. Shao , A. K. Shaw , F. Shi , H. Shimabukuro , G. Singh , B. W. Sohn , M. Stagni , J. -L. Starck , C. Sui , J. D. Swinbank , J. Sánchez , S. Sánchez-Expósito , K. Takahashi , T. Takeuchi , A. Tripathi , L. Verdes-Montenegro , P. Vielva , F. R. Vitello , G. -J. Wang , Q. Wang , X. Wang , Y. Wang , Y. -X. Wang , T. Wiegert , A. Wild , W. L. Williams , L. Wolz , X. Wu , P. Wu , J. -Q. Xia , Y. Xu , R. Yan , Y. -P. Yan

We investigate the potential of the Square Kilometre Array (SKA) for measuring the magnetic fields in clusters of galaxies via Faraday rotation of background polarised sources. [...] We find that about 10 per cent of the sky is covered by a…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Martin Krause , Paul Alexander , Rosie Bolton , Joern Geisbuesch , David A. Green , Julia Riley

The Square Kilometre Array (SKA) Epoch of Reionisation and Cosmic Dawn (EoR/CD) experiments aim to explore the growth of structure and production of ionising radiation in the first billion years of the Universe. Here I describe the…

Instrumentation and Methods for Astrophysics · Physics 2018-08-22 Cathryn M. Trott

We study the prospects to measure the cosmic radio dipole by means of continuum surveys with the Square Kilometre Array. Such a measurement will allow a critical test of the cosmological principle. It will test whether the cosmic rest frame…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-16 Dominik J. Schwarz , Carlos A. P. Bengaly , Roy Maartens , Thilo M. Siewert

Bodies such as planets, moons, and asteroids in our solar system are the brightest objects in the low-frequency radio astronomy at $\lesssim$ 10 GHz. The low-frequency radio emissions from our solar system bodies exhibit various observed…

Earth and Planetary Astrophysics · Physics 2023-03-15 Tomoki Kimura , Yuka Fujii , Hajime Kita , Fuminori Tsuchiya , Hideo Sagawa , the SKA-Japan Planetary Science Team

The Square Kilometre Array (SKA) will operate one of the world's largest continuous scientific data systems, sustaining petascale imaging under strict power envelopes. Current radio-interferometric pipelines typically achieve only 4-14% of…

It was decided in May 2012 that the Square Kilometre Array (SKA) will be built in Africa and Australia, two Southern Hemisphere continents. Here we discuss the plan for SKA design and construction, and how New Zealand radio astronomers can…

Instrumentation and Methods for Astrophysics · Physics 2012-12-27 Sergei Gulyaev , Paul Banks

The Square Kilometre Array (SKA) will be operating at the time when several new large optical, X-ray and Gamma-ray facilities are expected to be working. To make SKA both competitive and complementary to these large facilities, thorough…

Instrumentation and Methods for Astrophysics · Physics 2010-01-12 Dharam Vir Lal , Andrei P. Lobanov , Sergio Jiménez-Monferrer

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) 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 Square Kilometre Array (SKA) will transform our understanding of the role of the cold, atomic gas in galaxy evolution. The interstellar medium (ISM) is the repository of stellar ejecta and the birthsite of new stars and, hence, a key…

The Square Kilometre Array (SKA) will offer an unprecedented view onto the early Universe, using interferometric observations of the redshifted 21cm line. The 21cm line probes the thermal and ionization state of the cosmic gas, which is…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Andrei Mesinger , Andrea Ferrara , Bradley Greig , Ilian Iliev , Garrelt Mellema , Jonathan Pritchard , Mario G. Santos

Next-generation radio arrays, including the Square Kilometre Array (SKA) and its pathfinders, will open up new avenues for exciting transient science at radio wavelengths. Their innovative designs, comprising a large number of small…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 N. D. R. Bhat , J. N. Chengalur , P. J. Cox , Y. Gupta , J. Prasad , J. Roy , M. Bailes , S. Burke-Spolaor , S. S. Kudale , W. van Straten

Probing the nature of dark matter (DM) remains an outstanding problem in modern cosmology. The 21 cm signal, as a sensitive tracer of neutral hydrogen during cosmic dawn, provides a unique means to investigate DM nature during this critical…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-24 Meng-Lin Zhao , Yue Shao , Sai Wang , Xin Zhang

The angular resolution of the proposed Square Kilometre Array, SKA, must be extended towards the milliarcsecond scale if it is to resolve the distant starburst galaxies that are likely to dominate the radio source counts at micro and…

Astrophysics · Physics 2007-05-23 M. A. Garrett

In this work, we investigate what role the redshift drift data of Square Kilometre Array (SKA) will play in the cosmological parameter estimation in the future. To test the constraint capability of the redshift drift data of SKA-only, the…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-08 Yan Liu , Jing-Fei Zhang , Xin Zhang

The current generation of air shower radio arrays has demonstrated that the atmospheric depth of the shower maximum Xmax can be reconstructed with high accuracy. These experiments are now contributing to mass composition studies in the…

The field of astrophysics is continuously advancing, with an ever-growing influx of data requiring robust and efficient analysis tools. As the Square Kilometre Array (SKA) radio telescopes come fully operational, we anticipate the…

Instrumentation and Methods for Astrophysics · Physics 2025-04-01 Giuseppe Tudisco , Fabio Vitello , Eva Sciacca , Ugo Becciani