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The Square Kilometre Array (SKA) will operate in frequency ranges often used by military radar and other communications technology. It has been shown that if Extraterrestrial Intelligences (ETIs) communicate using similar technology, then…

地球与行星天体物理 · 物理学 2015-05-19 D. H. Forgan , R. C. Nichol

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…

天体物理学 · 物理学 2009-11-10 Kelsey E. Johnson

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 is an international effort to build the world's most sensitive radio telescope operating in the 50 MHz to 14 GHz frequency range. Construction of the SKA is divided into phases, with the first phase…

天体物理仪器与方法 · 物理学 2018-07-31 Sascha Schediwy , David Gozzard

The digital revolution is transforming astronomy from a data-starved to a data-submerged science. Instruments such as the Atacama Large Millimeter Array (ALMA), the Large Synoptic Survey Telescope (LSST), and the Square Kilometer Array…

天体物理仪器与方法 · 物理学 2012-09-25 Melvyn Wright

The Square Kilometre Array (SKA) is an international initiative for developing the world's largest radio telescope with a total collecting area of over a million square meters. The scale of the operation, combined with the remote location…

性能 · 计算机科学 2021-11-11 Karel Adámek , Jan Novotný , Jeyarajan Thiyagalingam , Wesley Armour

The Square Kilometre Array (SKA) project is an international effort to build the world's most sensitive radio telescope operating in the 50 MHz to 14 GHz frequency range. Construction of the SKA is divided into phases, with the first phase…

天体物理仪器与方法 · 物理学 2018-08-15 Sascha Schediwy , David Gozzard

Software is a critical aspect of large-scale science, providing essential capabilities for making scientific discoveries. Large-scale scientific projects are vast in scope, with lifespans measured in decades and costs exceeding hundreds of…

天体物理仪器与方法 · 物理学 2023-05-15 Neil A. Ernst , John Klein , Marco Bartolini , Jeremy Coles , Nick Rees

"High-resolution", or "long-baseline", science with the SKA and its precursors covers a broad range of topics in astrophysics. In several research areas, the coupling between improved brightness sensitivity of the SKA and a sub-arcsecond…

天体物理仪器与方法 · 物理学 2015-05-28 A. P. Lobanov

The unsurpassed sensitivity and resolution of the Square Kilometer Array (SKA) will make it possible for the first time to probe the continuum emission of normal star forming galaxies out to the edges of the universe. This opens the…

天体物理学 · 物理学 2009-11-10 J. M. van der Hulst , E. M. Sadler , C. A. Jackson , L. K. Hunt , M. Verheijen , J. H. van Gorkom

In recent years cosmology has undergone a revolution, with precise measurements of the microwave background radiation, large galaxy redshift surveys, and the discovery of the recent accelerated expansion of the Universe using observations…

宇宙学与河外天体物理 · 物理学 2015-01-19 H. -R. Klöckner , D. Obreschkow , C. Martins , A. Raccanelli , D. Champion , A. Roy , A. Lobanov , J. Wagner , R. Keller

We know that magnetic fields are pervasive across all scales in the Universe and over all of cosmic time and yet our understanding of many of the properties of magnetic fields is still limited. We do not yet know when, where or how the…

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…

Upcoming large scale telescope projects such as the Square Kilometre Array (SKA) will see high data rates and large data volumes; requiring tools that can analyse telescope event data quickly and accurately. In modern radio telescopes,…

天体物理仪器与方法 · 物理学 2020-01-17 Cees Carels , Karel Adámek , Jan Novotný , Wesley Armour

The generation of a sky model for calibration of Square Kilometre Array observations requires a fast method of automatic point source detection and characterisation. In recent years, point source detection in two-dimensional images has been…

天体物理仪器与方法 · 物理学 2016-11-02 Siamak Dehghan , Melanie Johnston-Hollitt , Christopher Hollitt

The Square Kilometre Array (SKA) will generate unprecedented data volumes, making efficient data processing a critical challenge. Within this context, the SKA Regional Centres Network (SRCNet) must operate in a near-exascale environment…

Karabo is a versatile Python-based software framework simplifying research with radio astronomy data. It bundles existing software packages into a coherent whole to improve the ease of use of its components. Karabo includes useful…

The Square Kilometre Array (SKA) is the radio telescope of the next generation, providing an increase in sensitivity and angular resolution of two orders of magnitude over existing telescopes. Currently, the SKA is expected to span the…

天体物理学 · 物理学 2009-11-13 A. J. Green , W. A. Baan

The bandwith, sensitivity and sheer survey speed of the SKA offers unique potential for deep spectroscopic surveys of the Milky Way. Within the frequency bands available to the SKA lie many transitions that trace the ionised, radical and…