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Related papers: Spacecraft Tracking with the SKA

200 papers

This letter presents an effective method for assessing the feasibility of detecting ocean ships using spaceborne synthetic aperture radar (SAR). The technique employs the minimum detectable radar cross-section criterion under specified…

Signal Processing · Electrical Eng. & Systems 2025-06-18 Anatolii Kononov

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…

The precise knowledge of the positions of space debris objects and in particular of defunct satellites is fundamental for satellite operations. Several studies showed that it is possible to improve the accuracy of the orbit determination…

Earth and Planetary Astrophysics · Physics 2019-03-04 E. Cordelli , P. Schlatter , P. Lauber , T. Schildknecht

Modern radio telescopes generate large amounts of data, with the next generation Very Large Array (ngVLA) and the Square Kilometre Array (SKA) expected to feed up to 292 GB of visibilities per second to the science data processor (SDP).…

An array of large observational programs using ground-based and space-borne telescopes is planned in the next decade. The forthcoming wide-field sky surveys are expected to deliver a sheer volume of data exceeding an exabyte. Processing the…

Instrumentation and Methods for Astrophysics · Physics 2023-05-26 Kana Moriwaki , Takahiro Nishimichi , Naoki Yoshida

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

We present the results of our investigations into options for the computing platform for the imaging pipeline in the CHILES project, an ultra-deep HI pathfinder for the era of the Square Kilometre Array. CHILES pushes the current computing…

Instrumentation and Methods for Astrophysics · Physics 2015-11-03 Richard Dodson , Kevin Vinsen , Chen Wu , Attila Popping , Martin Meyer , Andreas Wicenec , Peter Quinn , Jacqueline van Gorkom , Emmanuel Momjian

Nearly everything we know about extrasolar planets to date comes from optical astronomy. While exoplanetary aurorae are predicted to be bright at low radio frequencies (< 1 GHz), we consider the effect of an exoplanet transit on radio…

Earth and Planetary Astrophysics · Physics 2019-01-16 Benjamin J. S. Pope , Paul Withers , Joseph R. Callingham , Marissa F. Vogt

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

The SKA will be the largest radio astronomy observatory ever built, providing unprecedented sensitivity over a very broad frequency (50 MHz to 15.3 GHz). The SKA-Low (50 - 350 MHz), will be built at the MRO in Western Australia. It will…

Instrumentation and Methods for Astrophysics · Physics 2022-04-20 M. Sokolowski , S. J. Tingay , D. B. Davidson , R. B. Wayth , D. Ung , J. W. Broderick , B. Juswardy , M. Kovaleva , G. Macario , G. Pupillo , A. Sutinjo

Globular clusters are highly efficient radio pulsar factories. These pulsars can be used as precision probes of the clusters' structure, gas content, magnetic field, and formation history; some of them are also highly interesting in their…

High Energy Astrophysical Phenomena · Physics 2015-01-05 J. W. T. Hessels , A. Possenti , M. Bailes , C. G. Bassa , P. C. C. Freire , D. R. Lorimer , R. Lynch , S. M. Ransom , I. H. Stairs

Several commercial telecommunication ventures together with a well funded US military program make it a likely possibility that an autonomous, high-altitude, light-than-air (LTA) vehicle which could maneuver and station-keep for weeks to…

Astrophysics · Physics 2009-11-11 Robert A. Fesen

ESASky is a science-driven discovery portal to explore the multi-wavelength sky and visualise and access multiple astronomical archive holdings. The tool is a web application that requires no prior knowledge of any of the missions involved…

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…

Instrumentation and Methods for Astrophysics · Physics 2012-09-25 Melvyn Wright

We present the main scientific goals and characteristics of the ESA Planck satellite mission, as well as the main features of the survey strategy and simulated performance in terms of measuring the temperature and polarization of the Cosmic…

Astrophysics · Physics 2007-05-23 X. Dupac

This decade, the Square Kilometre Array (SKA) will perform its first observations. Preparations for building dishes, antennas, correlators and infrastructure are well underway. Concurrently, software for the processing of SKA observations…

Instrumentation and Methods for Astrophysics · Physics 2020-11-02 H. Spreeuw , S. Yatawatta , B. Van Werkhoven , F. Diblen

The Square Kilometre Array (SKA) will be operating at the time when several new large optical, X-ray and Gamma-ray facilities are expected to be working. To make SKA both competitive and complementary to these large facilities, thorough…

Instrumentation and Methods for Astrophysics · Physics 2010-01-12 Dharam Vir Lal , Andrei P. Lobanov , Sergio Jiménez-Monferrer

The SKA will build upon early detections of the EoR by precursor instruments, such as MWA, PAPER, and LOFAR, and planned instruments, such as HERA, to make the first high signal-to-noise measurements of fluctuations in the 21 cm brightness…

This paper describes the technical details and practical implementation of the Mid-Frequency Square Kilometre Array (SKA) phase synchronisation system. Over a four-year period, the system has been tested on metropolitan fibre-optic…

Instrumentation and Methods for Astrophysics · Physics 2019-02-27 Sascha Schediwy , David Gozzard , Charles Gravestock , Simon Stobie , Richard Whitaker , Jocias Malan , Paul Boven , Keith Grainge
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