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The present-day Universe is seemingly dominated by dark energy and dark matter, but mapping the normal (baryonic) content remains vital for both astrophysics - understanding how galaxies form - and astro-particle physics - inferring…

As of 2023, the Square Kilometre Array will constitute the world's largest radio telescope, offering unprecedented capabilities for a diverse science programme in radio astronomy. At the same time, the SKA will be ideally suited to detect…

Instrumentation and Methods for Astrophysics · Physics 2015-08-17 T. Huege , J. D. Bray , S. Buitink , R. Dallier , R. D. Ekers , H. Falcke , A. Haungs , C. W. James , L. Martin , B. Revenu , O. Scholten , F. G. Schröder , A. Zilles

The Square Kilometre Array (SKA) infrastructure will consist of two radio telescopes that will be the most sensitive telescopes on Earth. The SKA community will have to process and manage near exascale data, which will be a technical…

SKA-MID surveys will be the first in the radio domain to achieve clearly sub-arcsecond resolution at high sensitivity over large areas, opening new science applications for galaxy evolution. To investigate the potential of these surveys, we…

The Square Kilometre Array (SKA) provides an excellent opportunity for low cost searches for fast radio transients. The increased sensitivity and field of view of the SKA compared with other radio telescopes will make it an ideal instrument…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 T. M. Colegate , N. Clarke

The Square Kilometre Array (SKA), currently under design, will be a transformational facility for studying the Universe at centimetre and metre wavelengths in the next decade and beyond. This paper provides the current best estimate of the…

Instrumentation and Methods for Astrophysics · Physics 2020-01-01 Robert Braun , Anna Bonaldi , Tyler Bourke , Evan Keane , Jeff Wagg

We review the current status of the Square Kilometre Array (SKA) by outlining the science drivers for its Phase-1 (SKA1) and setting out the timeline for the key decisions and milestones on the way to the planned start of its construction…

Instrumentation and Methods for Astrophysics · Physics 2011-05-31 Steve Rawlings , Richard Schilizzi

Transient radio sources are necessarily compact and usually are the locations of explosive or dynamic events, therefore offering unique opportunities for probing fundamental physics and astrophysics. In addition, short-duration transients…

Astrophysics · Physics 2009-11-10 James M. Cordes , T. Joseph W. Lazio , M. A. McLaughlin

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 the premier instrument to study radiation at centimetre and metre wavelengths from the cosmos, and in particular hydrogen, the most abundant element in the universe. The SKA will probe the dawn of…

Instrumentation and Methods for Astrophysics · Physics 2013-11-19 Minh Huynh , Joseph Lazio

The Square Kilometre Array (SKA) is expected to start science operations in 2030 and by that time there could be up to 10$^5$ artificial satellites in Earth's orbit, comprising an increase of an order of magnitude compared to 2024. Most of…

Instrumentation and Methods for Astrophysics · Physics 2026-04-27 Nicolas Cerardi , Emma Tolley , Federico di Vruno

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"…

The SKA at mid and low frequencies will be constructed in two distinct phases, the first being a subset of the second. This document defines the main scientific goals and baseline technical concept for the SKA Phase 1 (SKA_1). The major…

Instrumentation and Methods for Astrophysics · Physics 2010-08-18 M. A. Garrett , J. M. Cordes , D. R. Deboer , J. L. Jonas , S. Rawlings , R. T. Schilizzi

The "Square Kilometre Array" (SKA) is a large international radio telescope project characterised, as suggested by its name, by a total collecting area of approximately one square kilometre, and consisting of several interferometric arrays…

Instrumentation and Methods for Astrophysics · Physics 2018-03-29 F. Acero , J. -T. Acquaviva , R. Adam , N. Aghanim , M. Allen , M. Alves , R. Ammanouil , R. Ansari , A. Araudo , E. Armengaud , B. Ascaso , E. Athanassoula , D. Aubert , S. Babak , A. Bacmann , A. Banday , K. Barriere , F. Bellossi , J. -P. Bernard , M. G. Bernardini , M. Béthermin , E. Blanc , L. Blanchet , J. Bobin , S. Boissier , C. Boisson , A. Boselli , A. Bosma , S. Bosse , S. Bottinelli , F. Boulanger , R. Boyer , A. Bracco , C. Briand , M. Bucher , V. Buat , L. Cambresy , M. Caillat , J. -M. Casandjian , E. Caux , S. Célestin , M. Cerruti , P. Charlot , E. Chassande-Mottin , S. Chaty , N. Christensen , L. Ciesla , N. Clerc , J. Cohen-Tanugi , I. Cognard , F. Combes , B. Comis , S. Corbel , B. Cordier , M. Coriat , R. Courtin , H. Courtois , B. Da Silva , E. Daddi , R. Dallier , E. Dartois , K. Demyk , J. -M. Denis , L. Denis , A. Djannati-Ataï , J. -F. Donati , M. Douspis , W. van Driel , M. N. El Korso , E. Falgarone , A. Fantina , T. Farges , A. Ferrari , C. Ferrari , K. Ferrière , R. Flamary , N. Gac , S. Gauffre , F. Genova , J. Girard , I. Grenier , J. -M. Griessmeier , P. Guillard , L. Guillemot , F. Gulminelli , A. Gusdorf , E. Habart , F. Hammer , P. Hennebelle , F. Herpin , O. Hervet , A. Hughes , O. Ilbert , M. Janvier , E. Josselin , A. Julier , C. Lachaud , G. Lagache , R. Lallement , S. Lambert , L. Lamy , M. Langer , P. Larzabal , G. Lavaux , T. Le Bertre , O. Le Fèvre , A. Le Tiec , B. Lefloch , M. Lehnert , M. Lemoine-Goumard , F. Levrier , M. Limousin , D. Lis , A. López-Sepulcre , J. Macias-Perez , C. Magneville , A. Marcowith , J. Margueron , G. Marquette , D. Marshall , L. Martin , D. Mary , S. Masson , S. Maurogordato , C. Mazauric , Y. Mellier , M. -A. Miville-Deschênes , L. Montier , F. Mottez , D. Mourard , N. Nesvadba , J. -F. Nezan , P. Noterdaeme , J. Novak , P. Ocvirk , M. Oertel , X. Olive , V. Ollier , N. Palanque-Delabrouille , M. Pandey-Pommier , Y. Pennec , M. Pérault , C. Peroux , P. Petit , J. Pétri , A. Petiteau , J. Pety , G. W. Pratt , M. Puech , B. Quertier , E. Raffin , S. Rakotozafy Harison , S. Rawson , M. Renaud , B. Revenu , C. Richard , J. Richard , F. Rincon , I. Ristorcelli , J. Rodriguez , M. Schultheis , C. Schimd , B. Semelin , H. Sol , J. -L. Starck , M. Tagger , C. Tasse , G. Theureau , S. Torchinsky , C. Vastel , S. D. Vergani , L. Verstraete , X. Vigouroux , N. Vilmer , J. -P. Vilotte , N. Webb , N. Ysard , P. Zarka

We construct a pipeline for simulating weak lensing cosmology surveys with the Square Kilometre Array (SKA), taking as inputs telescope sensitivity curves; correlated source flux, size and redshift distributions; a simple ionospheric model;…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-26 Anna Bonaldi , Ian Harrison , Stefano Camera , Michael L. Brown

The Square Kilometre Array (SKA), with the aim of achieving a collecting area of one square kilometre, will be the world's largest radio telescope. A scientific collaboration between 12 countries (with more to join), it will consist of one…

Instrumentation and Methods for Astrophysics · Physics 2019-03-21 Cristina García-Miró , Antonio Chrysostomou , Zsolt Paragi , Ilse van Bemmel

Neutral Hydrogen Intensity Mapping (HI IM) surveys will be a powerful new probe of cosmology. However, strong astrophysical foregrounds contaminate the signal and their coupling with instrumental systematics further increases the data…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-03 Marta Spinelli , Isabella P. Carucci , Steven Cunnington , Stuart E. Harper , Melis O. Irfan , José Fonseca , Alkistis Pourtsidou , Laura Wolz

Deep wide spectral line surveys with the Square Kilometre Array (SKA) will expand the cosmic frontiers of neutral atomic hydrogen (HI) in galaxies. However, at cosmologically significant redshifts ($z \gtrsim 0.5$), detections will…

Astrophysics of Galaxies · Physics 2025-02-12 Charissa Button , Roger Deane

The Square Kilometer Array (SKA) will be the largest Global science project of the next two decades. It will encompass a sensor network dedicated to radioastronomy, covering two continents. It will be constructed in remote areas of South…

SKA is a new technology radio-telescope array, about two orders of magnitude more sensitive and rapid in sky surveys than present instruments. It will probe the dark age of the universe, just afer recombination, and during the epoch of…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-30 Francoise Combes