Results 11 to 20 of about 1,058,127 (374)

Extragalactic radio continuum surveys and the transformation of radio astronomy [PDF]

open access: yes, 2017
Next-generation radio surveys are about to transform radio astronomy by discovering and studying tens of millions of previously unknown radio sources. These surveys will provide fresh insights for understanding the evolution of galaxies, measuring the ...
R. Norris
semanticscholar   +3 more sources

Interferometry and Synthesis in Radio Astronomy [PDF]

open access: yes, 2017
Preface to the Second Edition. Preface to the First Edition. Introduction and Historical Review. Introductory Theory of Interferometry and Synthesis Imaging. Analysis of the Interferometer Response. Geometric Relationships and Polarimetry.
Jacob Baars
semanticscholar   +1 more source

Progress and Challenges in Electromechanical Coupling of Radio Telescopes

open access: yesInternational Journal of Antennas and Propagation, 2022
Radio astronomy is a discipline of dynamics and wonders. The vast universe has many secrets to unravel. As one of the important facilities in this discipline, radio telescopes play a key role in collecting astronomical data and unraveling mysteries. With
Yuefei Yan   +9 more
doaj   +1 more source

LEONID M. LYTVYNENKO, AN OUTSTANDING SCIENTIST AND RESEARCH MANAGER (Editorial) [PDF]

open access: yesRadio Physics and Radio Astronomy
This paper is an attempt of paying tribute to the memory of Leonid Mykolayovych Lytvynenko (LML), an outstanding Ukrainian scientist, Full Member of the National Academy of Sciences who worked most fruitfully in the fields of radio science and radio ...
V. V. Zakharenko   +5 more
doaj   +1 more source

Large-scale array for radio astronomy on the farside (LARAF) [PDF]

open access: yesPhilosophical Transactions of the Royal Society A
At the Royal Society meeting in 2023, we have mainly presented our lunar orbit array concept called DSL, and also briefly introduced a concept of a lunar surface array, LARAF.
Xuelei Chen   +22 more
semanticscholar   +1 more source

Oscillatory Path Integrals for Radio Astronomy [PDF]

open access: yesSocial Science Research Network, 2019
We introduce a new method for evaluating the oscillatory integrals which describe natural interference patterns. As an illustrative example of contemporary interest, we consider astrophysical plasma lensing of coherent sources like pulsars and fast radio
Job Leon Feldbrugge, U. Pen, N. Turok
semanticscholar   +1 more source

The Development of Q-Band HEMT Receiver for VLBI [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2004
A ultra low noise Q-band HEMT receiver for VLBI has been developed using a local oscillator with a very high phase stability. The performance of receiver was verified by comparison with receivers which were developed at the other countries.
Do-Heung Je   +7 more
doaj   +1 more source

I. S. SHKLOVSKY AND LOW-FREQUENCY RADIO ASTRONOMY

open access: yesRadio Physics and Radio Astronomy, 2017
Purpose: Proving of the high astrophysical significance of the low-frequency radio astronomy (decameter and adjacent hectometer and meter wavelengths), demonstration of the priority results of the Ukrainian low-frequency radio astronomy as well as ...
A. A. Konovalenko
doaj   +1 more source

An International Survey of Front-end Receivers and Observing Performance of Telescopes for Radio Astronomy [PDF]

open access: yesPublications of the Astronomical Society of the Pacific, 2019
This paper presents a survey of microwave front-end receivers installed at radio telescopes throughout the world. This unprecedented analysis was conducted as part of a review of front-end developments for Italian radio telescopes, initiated by the ...
Pietro Bolli   +20 more
semanticscholar   +1 more source

THE CROSS-IDENTIFICATION, VISUALIZATION AND COMPARATIVE ANALYSIS OF ASTRONOMICAL CATALOGS IN A COMMON DATABASE RADC

open access: yesOdessa Astronomical Publications, 2017
The Pushchino Observatory of ASC LPI have been developing in some last years database of some astronomical catalogs (Radio Astronomy Data Center - RADC, look on http://astro.prao.ru/db/ and http://observations.prao.ru/).
M. A. Kitaeva   +4 more
doaj   +1 more source

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