The Low Frequency Radio Universe

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The Low-frequency Radio Universe

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Author : Homi Jehangir Bhabha
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.:/5 (318 download)

Book Synopsis The Low-frequency Radio Universe by : Homi Jehangir Bhabha

Download or read book The Low-frequency Radio Universe written by Homi Jehangir Bhabha and published by . This book was released on 2009 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: A strong resurgence of interest in low-frequency radio astronomy in the past few decades has led to addressing many of the outstanding and challenging astrophysical and technical problems and issues. The GMRT has been in operation for close to a decade. Early results have been reported from LOFAR. The next generation of telescopes such as the LWA, MWA, MeerKAT, ASKAP and SKA should provide exciting challenges, results, and opportunities. To discuss recent results and astrophysical problems as well as a range of technical issues at low radio frequencies, a conference and workshop was held at the National Centre for Radio Astrophysics of the Tata Institute of Fundamental Research. This event commemorated the birth centenary of Dr. Homi J. Bhabha, who contributed immensely in both the sciences and the arts. There were approximately 130 participants from over a dozen countries. The conference brought together experts with a wide range of interests from major observatories and institutions across the world as well as younger research workers largely from within India. There were over 100 papers presented, including several extensive reviews, on a large variety of topics including low-frequency surveys and cosmology, extragalactic neutral hydrogen and OH, extragalactic radio sources, clusters of galaxies, our Galaxy, pulsars, transients and high-energy sources, Sun and planetary studies, and instrumentation and techniques. The book provides an overview of research at low radio frequencies and should be of interest to a wide spectrum of students and researchers.

Directions for Space-Based Low Frequency Radio Astronomy. 1. Systems Considerations

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Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Directions for Space-Based Low Frequency Radio Astronomy. 1. Systems Considerations by :

Download or read book Directions for Space-Based Low Frequency Radio Astronomy. 1. Systems Considerations written by and published by . This book was released on 1997 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although observations at the low end of the radio astronomy spectrum were the pre- cursor of all work in radio astronomy, this portion of the spectrum has languished for decades while research at the upper radio frequencies has flourished. Previous work at low frequencies (below 30 MHz) has clearly shown that sensitive high-resolution ground-based observations are extremely difficult to make, if not impossible. Observation quality at low frequencies can leap forward using space-based interferometers. Radio telescopes such as these can be built principally from "off-the-shelf' components. A relatively low cost space program can make great strides in deploying arrays of antennas and receivers that would produce data contributing significantly to our understanding of galaxies and galactic nebulae. This paper discusses the various aspects of low-frequency telescopes such as past history and significant issues like sensitivity, interference, baseline calibration, wave scattering, and mapping. All aspects of the first stages of space-based, low-frequency radio telescopes can be accomplished with no dependencies on new types of hardware. The time has come to open the final electromagnetic frontier in astronomy.

Low Frequency Radio Astronomy in Space

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Author :
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (13 download)

Book Synopsis Low Frequency Radio Astronomy in Space by :

Download or read book Low Frequency Radio Astronomy in Space written by and published by . This book was released on 1969 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the construction of a program of low-frequency radio astronomy in space. Considers a large instrument and a set of smaller instruments.

Essential Radio Astronomy

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Author : James J. Condon
Publisher : Princeton University Press
ISBN 13 : 069113779X
Total Pages : 376 pages
Book Rating : 4.6/5 (911 download)

Book Synopsis Essential Radio Astronomy by : James J. Condon

Download or read book Essential Radio Astronomy written by James J. Condon and published by Princeton University Press. This book was released on 2016-04-05 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ideal text for a one-semester course in radio astronomy Essential Radio Astronomy is the only textbook on the subject specifically designed for a one-semester introductory course for advanced undergraduates or graduate students in astronomy and astrophysics. It starts from first principles in order to fill gaps in students' backgrounds, make teaching easier for professors who are not expert radio astronomers, and provide a useful reference to the essential equations used by practitioners. This unique textbook reflects the fact that students of multiwavelength astronomy typically can afford to spend only one semester studying the observational techniques particular to each wavelength band. Essential Radio Astronomy presents only the most crucial concepts—succinctly and accessibly. It covers the general principles behind radio telescopes, receivers, and digital backends without getting bogged down in engineering details. Emphasizing the physical processes in radio sources, the book's approach is shaped by the view that radio astrophysics owes more to thermodynamics than electromagnetism. Proven in the classroom and generously illustrated throughout, Essential Radio Astronomy is an invaluable resource for students and researchers alike. The only textbook specifically designed for a one-semester course in radio astronomy Starts from first principles Makes teaching easier for astronomy professors who are not expert radio astronomers Emphasizes the physical processes in radio sources Covers the principles behind radio telescopes and receivers Provides the essential equations and fundamental constants used by practitioners Supplementary website includes lecture notes, problem sets, exams, and links to interactive demonstrations An online illustration package is available to professors

Low Frequency Radio Astronomy and the LOFAR Observatory

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Author : George Heald
Publisher : Springer
ISBN 13 : 331923434X
Total Pages : 251 pages
Book Rating : 4.3/5 (192 download)

Book Synopsis Low Frequency Radio Astronomy and the LOFAR Observatory by : George Heald

Download or read book Low Frequency Radio Astronomy and the LOFAR Observatory written by George Heald and published by Springer. This book was released on 2018-10-11 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents lecture materials from the Third LOFAR Data School, transformed into a coherent and complete reference book describing the LOFAR design, along with descriptions of primary science cases, data processing techniques, and recipes for data handling. Together with hands-on exercises the chapters, based on the lecture notes, teach fundamentals and practical knowledge. LOFAR is a new and innovative radio telescope operating at low radio frequencies (10-250 MHz) and is the first of a new generation of radio interferometers that are leading the way to the ambitious Square Kilometre Array (SKA) to be built in the next decade. This unique reference guide serves as a primary information source for research groups around the world that seek to make the most of LOFAR data, as well as those who will push these topics forward to the next level with the design, construction, and realization of the SKA. This book will also be useful as supplementary reading material for any astrophysics overview or astrophysical techniques course, particularly those geared towards radio astronomy (and radio astronomy techniques).

Low Frequency Radio Astronomy

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Author : Jayaram N. Chengalur
Publisher :
ISBN 13 :
Total Pages : 423 pages
Book Rating : 4.:/5 (254 download)

Book Synopsis Low Frequency Radio Astronomy by : Jayaram N. Chengalur

Download or read book Low Frequency Radio Astronomy written by Jayaram N. Chengalur and published by . This book was released on 2007* with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Radio Universe

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Author : J. S. Hey
Publisher : Pergamon
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis The Radio Universe by : J. S. Hey

Download or read book The Radio Universe written by J. S. Hey and published by Pergamon. This book was released on 1983 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low Frequency Radio Astronomy and the LOFAR Observatory

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Author : George Heald
Publisher :
ISBN 13 : 9783319234359
Total Pages : pages
Book Rating : 4.2/5 (343 download)

Book Synopsis Low Frequency Radio Astronomy and the LOFAR Observatory by : George Heald

Download or read book Low Frequency Radio Astronomy and the LOFAR Observatory written by George Heald and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents lecture materials from the Third LOFAR Data School, transformed into a coherent and complete reference book describing the LOFAR design, along with descriptions of primary science cases, data processing techniques, and recipes for data handling. Together with hands-on exercises the chapters, based on the lecture notes, teach fundamentals and practical knowledge. LOFAR is a new and innovative radio telescope operating at low radio frequencies (10-250 MHz) and is the first of a new generation of radio interferometers that are leading the way to the ambitious Square Kilometre Array (SKA) to be built in the next decade. This unique reference guide serves as a primary information source for research groups around the world that seek to make the most of LOFAR data, as well as those who will push these topics forward to the next level with the design, construction, and realization of the SKA. This book will also be useful as supplementary reading material for any astrophysics overview or astrophysical techniques course, particularly those geared towards radio astronomy (and radio astronomy techniques).

Low Frequency Radio Astronomy and the LOFAR Observatory

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Author : George Heald
Publisher : Springer
ISBN 13 : 9783319234335
Total Pages : 244 pages
Book Rating : 4.2/5 (343 download)

Book Synopsis Low Frequency Radio Astronomy and the LOFAR Observatory by : George Heald

Download or read book Low Frequency Radio Astronomy and the LOFAR Observatory written by George Heald and published by Springer. This book was released on 2018-09-04 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents lecture materials from the Third LOFAR Data School, transformed into a coherent and complete reference book describing the LOFAR design, along with descriptions of primary science cases, data processing techniques, and recipes for data handling. Together with hands-on exercises the chapters, based on the lecture notes, teach fundamentals and practical knowledge. LOFAR is a new and innovative radio telescope operating at low radio frequencies (10-250 MHz) and is the first of a new generation of radio interferometers that are leading the way to the ambitious Square Kilometre Array (SKA) to be built in the next decade. This unique reference guide serves as a primary information source for research groups around the world that seek to make the most of LOFAR data, as well as those who will push these topics forward to the next level with the design, construction, and realization of the SKA. This book will also be useful as supplementary reading material for any astrophysics overview or astrophysical techniques course, particularly those geared towards radio astronomy (and radio astronomy techniques).

Unseen Cosmos

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Author : Francis Graham-Smith
Publisher : OUP Oxford
ISBN 13 : 0191636258
Total Pages : 331 pages
Book Rating : 4.1/5 (916 download)

Book Synopsis Unseen Cosmos by : Francis Graham-Smith

Download or read book Unseen Cosmos written by Francis Graham-Smith and published by OUP Oxford. This book was released on 2013-11-07 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radio telescopes have transformed our understanding of the Universe. Pulsars, quasars, Big Bang cosmology: all are discoveries of the new science of radio astronomy. Here, Francis Graham-Smith describes the birth, development, and maturity of radio astronomy, from the first discovery of cosmic radio waves to its present role as a major part of modern astronomy. Radio is part of the electromagnetic spectrum, covering infra-red, visible light, ultraviolet, X-rays, and gamma-rays, and Graham-Smith explains why it is that radio waves give us a unique view of the Universe. Tracing the development of radio telescopes he shows how each new idea in observing techniques has led to new discoveries, and looks at the ways in which radio waves are generated in the various cosmic sources, relating this to the radio world of mobile phones, radio and television channels, wireless computer connections, and remote car locks. Today a new generation of radio telescopes promises to extend our understanding of the Universe into further, as yet unknown, fields. Huge new radio telescopes are being built, such as the Atacama Large Millimetre Array (ALMA), Low Frequency Array for Radioastronomy (LOFAR), and the Square Kilometre Array (SKA). Radio telescopes on spacecraft such as the Cosmic Microwave Explorer (COBE) and Planck are tracing in minute detail the faint but universal radio signal from the expanding early Universe. Graham-Smith shares the excitement of discovering the wonders of the radio universe, and the possibilities promised by the new age of giant radio telescopes.

The Universe at Low Radio Frequencies

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Author : International Astronomical Union. Symposium
Publisher :
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.X/5 (4 download)

Book Synopsis The Universe at Low Radio Frequencies by : International Astronomical Union. Symposium

Download or read book The Universe at Low Radio Frequencies written by International Astronomical Union. Symposium and published by . This book was released on 2002 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low-frequency Radio Astronomy

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Author : Dominion Observatory (Canada)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (149 download)

Book Synopsis Low-frequency Radio Astronomy by : Dominion Observatory (Canada)

Download or read book Low-frequency Radio Astronomy written by Dominion Observatory (Canada) and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

From planets to galaxies

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Author : Samuel Joseph George
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (911 download)

Book Synopsis From planets to galaxies by : Samuel Joseph George

Download or read book From planets to galaxies written by Samuel Joseph George and published by . This book was released on 2009 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low Frequency Radio Astronomy

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Author : National Radio Astronomy Observatory (Estados Unidos) Workshop
Publisher :
ISBN 13 :
Total Pages : 115 pages
Book Rating : 4.:/5 (112 download)

Book Synopsis Low Frequency Radio Astronomy by : National Radio Astronomy Observatory (Estados Unidos) Workshop

Download or read book Low Frequency Radio Astronomy written by National Radio Astronomy Observatory (Estados Unidos) Workshop and published by . This book was released on 1984 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses

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Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309376629
Total Pages : 367 pages
Book Rating : 4.3/5 (93 download)

Book Synopsis Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses by : National Academies of Sciences, Engineering, and Medicine

Download or read book Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2015-11-02 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electromagnetic spectrum is a vital part of our environment. Measures of radio frequency emissions from natural phenomena enable both practical applications, such as weather predictions and studies of the changing of Earth's climate here at home, and reveal the physical properties of cosmic sources. The spectrum is therefore a resource to be used wisely now and to be protected for future generations. Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses: Second Edition sets forth the principles for the allocation and protection of spectral bands for services using the radio spectrum for scientific research. This report describes the radio frequency bands used by scientific services and includes relevant regulatory information and discussion of scientific use of frequency bands. This reference will guide spectrum managers and spectrum regulatory bodies on science issues and serve as a resource to scientists and other spectrum users.

Merging Processes in Galaxy Clusters

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Author : L. Feretti
Publisher : Springer Science & Business Media
ISBN 13 : 0306480964
Total Pages : 329 pages
Book Rating : 4.3/5 (64 download)

Book Synopsis Merging Processes in Galaxy Clusters by : L. Feretti

Download or read book Merging Processes in Galaxy Clusters written by L. Feretti and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mergers are the mechanisms by which galaxy clusters are assembled through the hierarchical growth of smaller clusters and groups. Major cluster mergers are the most energetic events in the Universe since the Big Bang. Many of the observed properties of clusters depend on the physics of the merging process. These include substructure, shock, intra cluster plasma temperature and entropy structure, mixing of heavy elements within the intra cluster medium, acceleration of high-energy particles, formation of radio halos and the effects on the galaxy radio emission. This book reviews our current understanding of cluster merging from an observational and theoretical perspective, and is appropriate for both graduate students and researchers in the field.

USERS GUIDE TO LOW FREQUENCY RADIO COVERAGE PROGRAMS.

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Author : Leslie A. Berry
Publisher :
ISBN 13 :
Total Pages : 91 pages
Book Rating : 4.:/5 (897 download)

Book Synopsis USERS GUIDE TO LOW FREQUENCY RADIO COVERAGE PROGRAMS. by : Leslie A. Berry

Download or read book USERS GUIDE TO LOW FREQUENCY RADIO COVERAGE PROGRAMS. written by Leslie A. Berry and published by . This book was released on 1978 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: