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The scientific motivation is reviewed for a next generation radio observatory operating at frequencies between about 200 MHz and 2 GHz with about 2 orders of magnitude greater sensitivity than that which is currently available, together…

天体物理学 · 物理学 2016-11-03 Robert Braun

Submillimeter cameras now have up to $10^4$ pixels (SCUBA 2). The proposed CCAT 25-meter submillimeter telescope will feature a 1 degree field-of-view. Populating the focal plane at 350 microns would require more than $10^6$ photon-noise…

The Square Kilometre Array (SKA) is an integral part of the next-generation observatories that will survey the Universe across the electromagnetic spectrum, and beyond, revolutionizing our view of fundamental physics, astrophysics and…

The Square Kilometre Array telescopes have recently started their construction phase, after years of pre-construction effort. The new SKA Observatory (SKAO) intergovernmental organisation has been created, and the start of construction…

天体物理仪器与方法 · 物理学 2021-10-27 J. Santander-Vela , M. Bartolini , and , M. Miccolis , N. Rees

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…

天体物理学 · 物理学 2009-11-10 P. N. Wilkinson , K. I. Kellermann , R. D. Ekers , J. M. Cordes , T. Joseph W. Lazio

Multi-element interferometers such as MeerKAT, which observe with high time resolution and have a wide field-of-view, provide an ideal opportunity to perform real-time, untargeted transient and pulsar searches. However, because of data…

高能天体物理现象 · 物理学 2023-02-21 M. C. Bezuidenhout , C. J. Clark , R. P. Breton , B. W. Stappers , E. D. Barr , M. Caleb , W. Chen , F. Jankowski , M. Kramer , K. Rajwade , M. Surnis

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…

天体物理学 · 物理学 2015-06-24 Andrei P. Lobanov

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…

天体物理仪器与方法 · 物理学 2022-10-03 Tao An , Xiaocong Wu , Baoqiang Lao , Shaoguang Guo , Zhijun Xu , Weijia Lv , Yingkang Zhang , Zhongli Zhang

The cosmological case for a next generation radio observatory, the Square Kilometer Array, is discussed and reviewed. An instrument like the SKA would be able to measure galaxy redshifts of normal late-type galaxies, via the 21 cm line of…

天体物理学 · 物理学 2007-05-23 Rien van de Weygaert , Tjeerd S. van Albada

New developments in data processing and visualization are being made in preparation for upcoming radioastronomical surveys planned with the Square Kilometre Array (SKA) and its precursors. A major goal is enabling extraction of science…

KM3NeT is a future research infrastructure in the Mediterranean Sea, hosting a multi-cubic-kilometre neutrino telescope and nodes for Earth and Sea sciences. In this report we shortly summarise the genesis of the KM3NeT project and present…

高能天体物理现象 · 物理学 2019-08-14 Ulrich F. Katz

This document describes the top level requirements for the SKA-AAMID telescope as determined by the SKA key science projects. These include parameters such as operating frequency range,instantaneous bandwidth (total processed bandwidth),…

天体物理仪器与方法 · 物理学 2017-01-24 S. A. Torchinsky , J. W. Broderick , A. Gunst , A. J. Faulkner , W. van Cappellen

Recent work has shown that searches for diffuse radio emission by MeerKAT - and eventually the SKA - are well suited to provide some of the strongest constraints yet on dark matter annihilations. To make full use of the observations by…

宇宙学与河外天体物理 · 物理学 2023-01-10 Michael Sarkis , Geoff Beck

MeerKAT's large number of antennas, spanning 8 km with a densely packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity over a wide range of angular scales. The MeerKAT Galaxy Cluster Legacy Survey…

星系天体物理 · 物理学 2022-01-19 K. Knowles , W. D. Cotton , L. Rudnick , F. Camilo , S. Goedhart , R. Deane , M. Ramatsoku , M. F. Bietenholz , M. Brüggen , C. Button , H. Chen , J. O. Chibueze , T. E. Clarke , F. de Gasperin , R. Ianjamasimanana , G. I. G. Józsa , M. Hilton , K. C. Kesebonye , K. Kolokythas , R. C. Kraan-Korteweg , G. Lawrie , M. Lochner , S. I. Loubser , P. Marchegiani , N. Mhlahlo , K. Moodley , E. Murphy , B. Namumba , N. Oozeer , V. Parekh , D. S. Pillay , S. S. Passmoor , A. J. T. Ramaila , S. Ranchod , E. Retana-Montenegro , L. Sebokolodi , S. P. Sikhosana , O. Smirnov , K. Thorat , T. Venturi , T. D. Abbott , R. M. Adam , G. Adams , M. A. Aldera , E. F. Bauermeister , T. G. H. Bennett , W. A. Bode , D. H. Botha , A. G. Botha , L. R. S. Brederode , S. Buchner , J. P. Burger , T. Cheetham , D. I. L. de Villiers , M. A. Dikgale-Mahlakoana , L. J. du Toit , S. W. P. Esterhuyse , G. Fadana , B. L. Fanaroff , S. Fataar , A. R. Foley , D. J. Fourie , B. S. Frank , R. R. G. Gamatham , T. G. Gatsi , M. Geyer , M. Gouws , S. C. Gumede , I. Heywood , M. J. Hlakola , A. Hokwana , S. W. Hoosen , D. M. Horn , J. M. G. Horrell , B. V. Hugo , A. R. Isaacson , J. L. Jonas , J. D. B. Jordaan , A. F. Joubert , R. P. M. Julie , F. B. Kapp , V. A. Kasper , J. S. Kenyon , P. P. A. Kotzé , A. G. Kotze , N. Kriek , H. Kriel , V. K. Krishnan , T. W. Kusel , L. S. Legodi , R. Lehmensiek , D. Liebenberg , R. T. Lord , B. M. Lunsky , K. Madisa , L. G. Magnus , J. P. L. Main , A. Makhaba , S. Makhathini , J. A. Malan , J. R. Manley , S. J. Marais , M. D. J. Maree , A. Martens , T. Mauch , K. McAlpine , B. C. Merry , R. P. Millenaar , O. J. Mokone , T. E. Monama , M. C. Mphego , W. S. New , B. Ngcebetsha , K. J. Ngoasheng , M. T. Ockards , A. J. Otto , A. A. Patel , A. Peens-Hough , S. J. Perkins , N. M. Ramanujam , Z. R. Ramudzuli , S. M. Ratcliffe , R. Renil , A. Robyntjies , A. N. Rust , S. Salie , N. Sambu , C. T. G. Schollar , L. C. Schwardt , R. L. Schwartz , M. Serylak , R. Siebrits , S. K. Sirothia , M. Slabber , L. Sofeya , B. Taljaard , C. Tasse , A. J. Tiplady , O. Toruvanda , S. N. Twum , T. J. van Balla , A. van der Byl , C. van der Merwe , C. L. van Dyk , V. Van Tonder , R. Van Wyk , A. J. Venter , M. Venter , M. G. Welz , L. P. Williams , B. Xaia

Over the next few years the new radio telescopes, such as the Low Frequency Array (LOFAR) will greatly enhance our knowledge of the active history of the Universe. Large-area surveys with these new telescopes will no longer be dominated by…

天体物理学 · 物理学 2007-05-23 Matt J. Jarvis

We present high-resolution observations made with the Australia Telescope Compact Array (ATCA) at 5.5 GHz and 9.0 GHz of a sample of twenty-eight massive protostars. These protostars were initially detected at radio wavelengths in the…

星系天体物理 · 物理学 2025-05-06 W. O Obonyo , M. G Hoare , S. L Lumsden , J. O. Chibueze , C. J. Ugwu

Since the IAU (maser-)Symposium 287 in Stellenbosch/South Africa (Jan. 2012), great progress has been achieved in studying extragalactic maser sources. Sensitivity has reached a level allowing for dedicated maser surveys of extragalactic…

星系天体物理 · 物理学 2018-08-22 C. Henkel , J. -E. Greene , F. Kamali

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…

仪器与探测器 · 物理学 2015-04-23 B. Wang , X. Zhu , C. Gao , Y. Bai , J. W. Dong , L. J. Wang

Many transient and variable sources detected at multiple wavelengths are also observed to vary at radio frequencies. However, these samples are typically biased towards sources that are initially detected in wide-field optical, X-ray or…