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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

I summarize the science drivers presented at the workshop for Phase I of the Square Kilometre Array: 'Advancing Astrophysics with the Square Kilometre Array'. I build from the historical perspective of the original Key Science programs:…

Instrumentation and Methods for Astrophysics · Physics 2014-08-25 Christopher L. Carilli

The Advanced Telescope for High Energy Astrophysics (Athena) is the X-ray observatory large mission selected by the European Space Agency (ESA), within its Cosmic Vision 2015-2025 programme, to address the "Hot and Energetic Universe"…

Radio emission from stars can be used, e.g., to study ionized winds or stellar flares. The radio emission is faint and studies have been limited to few objects. The Square Kilometer Array (SKA) will bring a survey ability to the topic of…

Solar and Stellar Astrophysics · Physics 2021-04-27 Bin Yu , Albert Zijlstra , Biwei Jiang

The Square Kilometre Array (SKA) will be sensitive enough to discover all of the pulsars in the Milky Way that are beamed towards Earth. Already in the initial deployment, SKA Phase 1, it will make significant advances in pulsar science. In…

Instrumentation and Methods for Astrophysics · Physics 2018-08-22 E. F. Keane

The Square Kilometre Array is conceived as a telescope which will both test fundamental physical laws and transform our current picture of the Universe. However, the scientific challenges outlined in this book are today's problems--will…

Astrophysics · Physics 2009-11-10 P. N. Wilkinson , K. I. Kellermann , R. D. Ekers , J. M. Cordes , T. Joseph W. Lazio

The Square Kilometre Array will be a revolutionary instrument for the study of gas in the distant Universe. SKA1 will have sufficient sensitivity to detect and image atomic 21 cm HI in individual galaxies at significant cosmological…

Astrophysics of Galaxies · Physics 2014-12-19 J. Wagg , E. Da Cunha , C. L. Carilli , F. Walter , M. Aravena , I. Heywood , J. Hodge , E. Murphy , D. Riechers , M. Sargent , R. Wang

We argue that the Square Kilometre Array has the potential to make both redshift (HI) surveys and radio continuum surveys that will revolutionize cosmological studies, provided that it has sufficient instantaneous field-of-view that these…

Astrophysics · Physics 2009-11-10 Chris Blake , Filipe Abdalla , Sarah Bridle , Steve Rawlings

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

Next generation radio telescopes, such as the Square Kilometre Array (SKA) and Next Generation Very Large Array (ngVLA), require precise microwave frequency reference signals to be transmitted over fiber links to each dish to coherently…

Instrumentation and Methods for Astrophysics · Physics 2020-09-09 Skevos F. E. Karpathakis , Charles T. Gravestock , David R. Gozzard , Thea R. Pulbrook , Sascha W. Schediwy

The Square Kilometre Array (SKA) is a planned multi purpose radio telescope with a collecting area approaching 1 million square metres. One of the key science objectives of the SKA is to provide exquisite strong-field tests of gravitational…

Astrophysics · Physics 2015-05-13 R. Smits , M. Kramer , B. Stappers , D. R. Lorimer , J. Cordes , A. Faulkner

Tests of general relativity (GR) are still in their infancy on cosmological scales, but forthcoming experiments promise to greatly improve their precision over a wide range of distance scales and redshifts. One such experiment, the Square…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-25 Philip Bull

The Square Kilometer Array (SKA) will enable studies of star formation in nearby galaxies with a level of detail never before possible outside of the Milky Way. Because the earliest stages of stellar evolution are often inaccessible at…

Astrophysics · Physics 2009-11-10 Kelsey E. Johnson

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

Backed by advances in digital electronics, signal processing, computation, and storage technologies, aperture arrays, which had strongly influenced the design of telescopes in the early years of radio astronomy, have made a comeback. Amid…

The unprecedented sensitivity, angular resolution and broad bandwidth coverage of Square Kilometre Array (SKA) radio polarimetric observations will allow us to address many long-standing mysteries in cosmic magnetism science. I will…

Astrophysics of Galaxies · Physics 2020-03-04 S. A. Mao

The Square Kilometre Array is going to become operational at the time when several new large optical, X-ray and Gamma-ray telescopes are expected to be working. The main drive for building the SKA is a significant improvement of sensitivity…

Astrophysics · Physics 2008-10-07 Dharam V. Lal , Andrei P. Lobanov

Radio observations with the Square Kilometer Array (SKA) provide the agility, sensitivity, and spectral coverage to trace the evolution of the size, shape and spectra of gamma-ray burst (GRB) remnants from the earliest moments on. In the…

Astrophysics · Physics 2007-05-23 T. J. Galama , A. G. De Bruyn

In the past several decades, the standard cosmological model has been established and its parameters have been measured to a high precision, while there are still many of the fundamental questions in cosmology; such as the physics in the…

The Square Kilometre Array (SKA), when it becomes functional, is expected to enrich neutron star (NS) catalogues by at least an order of magnitude over their current state. This includes the discovery of new NS objects leading to better…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 Mihir Arjunwadkar , Akanksha Kashikar , Manjari Bagchi