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Related papers: Anticipated Performance of the Square Kilometre Ar…

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We discuss the unique opportunities for maser astrometry with the inclusion of the Square Kilometre Array (SKA) in Very Long Baseline Interferometry (VLBI) networks. The first phase of the SKA will enable observations of hydroxyl and…

The Square Kilometre Array (SKA) project consists of delivering two largest radio telescope arrays being built by the SKA Observatory (SKAO), which is an intergovernmental organization bringing together nations from around the world with…

Instrumentation and Methods for Astrophysics · Physics 2022-10-03 Tao An , Xiaocong Wu , Baoqiang Lao , Shaoguang Guo , Zhijun Xu , Weijia Lv , Yingkang Zhang , Zhongli Zhang

The vast collecting area of the Square Kilometre Array (SKA), harnessed by sensitive receivers, flexible digital electronics and increased computational capacity, could permit the most sensitive and exhaustive search for…

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

We provide an overview of the science benefits of combining information from the Square Kilometre Array (SKA) and the Large Synoptic Survey Telescope (LSST). We first summarise the capabilities and timeline of the LSST and overview its…

The future of cm and m-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than any existing radio facility. Most of the key science…

Cosmology and Nongalactic Astrophysics · Physics 2009-03-25 Simon Johnston , Ilana J. Feain , Neeraj Gupta

Upcoming experiments such as Hydrogen Epoch of Reionization Array (HERA) and Square Kilometre Array (SKA) are intended to measure the 21cm signal over a wide range of redshifts, representing an incredible opportunity in advancing our…

Cosmology and Nongalactic Astrophysics · Physics 2020-05-06 Héctor J. Hortúa , Riccardo Volpi , Luigi Malagò

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

This lecture briefly reviews the major recent advances in radio astronomy made possible by ultra-deep surveys, reaching microJansky flux density levels. A giant step forward in many fields, including the study of the evolution of the cosmic…

Astrophysics of Galaxies · Physics 2018-03-20 Gianfranco De Zotti , Matteo Bonato , Zhen-Yi Cai

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

In this paper we investigate how the Square Kilometre Array (SKA) can aid in determining the evolutionary history of active galactic nuclei (AGN) from redshifts z= 0 ->6. Given the vast collecting area of the SKA, it will be sensitive to…

Astrophysics · Physics 2009-11-10 Matt J. Jarvis , Steve Rawlings

We discuss the advantages which the next generation interferometer SKA (the Square Kilometer Array) will bring for Very Long Baseline Interferometry (VLBI) at centimeter wavelengths. With a sensitivity to micro-Jy level flux density, a…

Astrophysics · Physics 2007-05-23 T. P. Krichbaum , A. Witzel , J. A. Zensus

We outline the case for a comprehensive wide and deep survey ultimately targeted at obtaining 21-cm HI line emission spectroscopic observations of more than a billion galaxies to redshift z=1.5 and greater over half the sky. This survey…

Cosmology and Nongalactic Astrophysics · Physics 2009-03-05 Steven T. Myers , Filipe B. Abdalla , Chris Blake , Leon Koopmans , Joseph Lazio , Steve Rawlings

The next generation of very long baseline interferometry (VLBI) is stepping into the era of microarcsecond ($\mu$as) astronomy, and pushing astronomy, especially astrometry, to new heights. VLBI with the Square Kilometre Array (SKA),…

Astrophysics of Galaxies · Physics 2024-04-24 Yingjie Li , Ye Xu , Jingjing Li , Shuaibo Bian , Zehao Lin , Chaojie Hao , Dejian Liu

The new frontier of cosmology will be led by three-dimensional surveys of the large-scale structure of the Universe. Based on its all-sky surveys and redshift depth, the SKA is destined to revolutionize cosmology, in combination with future…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Roy Maartens , Filipe B. Abdalla , Matt Jarvis , Mario G. Santos

Origin of magnetic fields, its structure and effects on dynamical processes in stars to galaxies are not well understood. Lack of a direct probe has hampered its study. The first phase of Square Kilometre Array (SKA-I), will have more than…

Astrophysics of Galaxies · Physics 2016-12-21 Subhashis Roy , Sharanya Sur , Kandaswamy Subramanian , Arun Mangalam , TR Seshadri , Hum Chand

Future observations of 21 cm emission from neutral hydrogen survey will become a promising approach to probe the large scale structure of Universe. In this paper, we investigate the impacts of Square Kilometer Array (SKA) 21 cm observation…

Cosmology and Nongalactic Astrophysics · Physics 2019-11-12 Jing-Fei Zhang , Li-Yang Gao , Dong-Ze He , Xin Zhang

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 lowest frequency band (70 - 450 MHz) of the Square Kilometre Array will consist of sparse aperture arrays grouped into geographically-localised patches, or stations. Signals from thousands of antennas in each station will be beamformed…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Aziz Jiwani , Tim Colegate , Nima Razavi-Ghods , Peter J Hall , Shantanu Padhi , Jan Geralt bij de Vaate

The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomers will be correspondingly large and complex, requiring the…

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