- 351 Pages
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Kluwer Academic Publishers , Dordrecht, Boston
|Statement||by Moshe Elitzur.|
|Series||Astrophysics and space science library ;, v. 170|
|LC Classifications||QB790 .E45 1991|
|The Physical Object|
|Pagination||xiv, 351 p. :|
|LC Control Number||91011947|
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One of the most spectacular discoveries of molecular astronomy has been the detection of maser emission. The same radiation that is generated in the laboratory only with elaborate, special equipment occurs naturally in interstellar space. This intense radiation probes the smallest structures that can be studied with radio telescopes.
By a fortunate coincidence maser. Masers are the microwave analogue of lasers. Astronomical sources of natural maser emission include the gas around forming and dying stars, and around supermassive black holes. These bright sources of microwaves are fascinating in their own right and provide unique abilities to probe details of astronomical sources and their environments.
Astronomical masers. [Moshe Elitzur] ` The book is an essential purchase for workers in the field, and will also interest other astrophysicists and researchers in related areas of physics.
SiO masers -- Other masers -- Extragalactic masers -- Masers as astronomical tools -- Epilogue -- Appendix A: Beaming in filamentary masers.
The book therefore starts with a detailed coverage of the basic background concepts required for an understanding of line formation and radiative transfer.
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It goes on to describe the theoretical and phenomenological aspects of interstellar masers, their formation Astronomical masers book and the. item 3 Astronomical Masers by Moshe Elitzur (English) Hardcover Book Free Shipping.
- Astronomical Masers by Moshe Elitzur (English) Hardcover Book Free Shipping. $ Free shipping. No ratings or reviews yet. Be the first to write. Astronomical Masers. [Moshe Elitzur] -- One of the most spectacular discoveries of molecular astronomy has been the detection of maser emission.
` The book is an essential purchase for workers in the field, and will also interest Astronomical masers book astrophysicists and researchers in related areas of physics.
SiO masers -- Other masers. Astronomical masers book Book of Enoch Astronomy. Book 1 The Watchers Book 2 Parables Book 3 Astronomy Book 4 Dreams Epistle of Enoch. Astronomy Chapter 72 1 The book of the courses of the luminaries of the heaven, the relations of each, according to their classes, their dominion and their seasons, according to their names and places of origin, and according to their months, which Uriel, the.
The present state of knowledge on astronomical masers is reviewed. Maser theory is discussed, including radiative transfer, input sources, geometry and apparent sizes, saturation, line widths, polarization, and pump models.
Interstellar masers, stellar masers, extragalactic masers, interstellar scattering, and distance measurements are addressed. adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86AAuthor: M.
Elitzur. : Abstract The present state of knowledge on astronomical masers is reviewed. Maser theory is discussed, including radiative transfer, input sources, geometry and apparent sizes, saturation, line widths, polarization, and pump models.
Interstellar masers, stellar masers, extragalactic masers, interstellar scattering, and. Masers have huge effective temperatures, many around 10 9 K, but some of up to 10 12 K and even 10 14 K.
Polarisation. An important aspect of maser study is polarisation of the emission. Astronomical masers are often very highly polarised, sometimes % (in the case of some OH masers) in a circular fashion, and to a lesser degree in a linear.
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Popular Astronomy Books Showing of 5, Cosmos (Mass Market Paperback) by. The book is written in mathematical language, and the symbols are triangles, circles and other geometrical figures, without whose help it is impossible to comprehend a single word of it; without which one wanders in vain through a dark labyrinth.”.
A comprehensive treatment can be found in the book Microwave Spectroscopy by Townes and Schawlow Elitzur M. () Astronomical Maser Radiation. In: Astronomical Masers.
Astrophysics and Space Science Library, vol Springer, Dordrecht Author: Moshe Elitzur. Abstract The present treatment of astronomical masers discusses their thermodynamic equilibrium and matter-line radiation interaction, the OH, H2O, and SiO maser molecules, general properties of saturated masers, spherical and filamentary masers, and fully resolved Zeeman patterns and overlapping Zeeman components.
Maser sources in astrophysics / Malcolm Gray, Jodrell Bank Centre for Astrophysics, the University of Manchester.
pages cm. – (Cambridge astrophysics series ; 50) Includes bibliographical references and index. ISBN (hardback) 1. Astronomical masers. Radio astronomy.
Microwave measurements. Title. QBG73 This paper thus gives a mathematical foundation to the modelling of astronomical masers. It constructs a framework for the physics in volved by sho wing what the current ”state of the art” is.
The topics include masers in star-forming, circumstellar and extragalactic environments, solar system masers, newly discovered masing transitions, variability, proper-motion studies, and theory. Since this was the first ever conference devoted exclusively to astrophysical masers, these proceedings provide a reference for this field which has.
For those reasons, the astronomical and molecular data should not be placed at the top of the page. I am not saying that it should not be there, just that there should be separate sections or pages, including a description of the concept.
Now, for all those masers were only one paper was published in the 60's. Astronomical Star Guides & Charts: Books.
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1 - 20 of results. Grid View Grid. List View List. NEW RELEASE. Add to Wishlist. Read an excerpt of this book. Quickview. Cosmos: Possible Worlds by Ann Druyan. Signed Book $ See All Formats.
Add to Wishlist. Quickview. A one-dimensional analysis is performed of several possible physical mechanisms causing observed polarization in astronomical masers driven by. Revised by Fredrick Matos, in Reference Data for Engineers (Ninth Edition), Hydrogen Masers. The hydrogen maser is the most elaborate and expensive commercially available frequency standard.
The word maser is an acronym that stands for microwave amplification by stimulated emission of radiation.
Masers operate at the resonance frequency of the hydrogen. "Astronomical Masers" Book Description: One of the most spectacular discoveries of molecular astronomy has been the detection of maser emission. The same radiation that is generated in the laboratory only with elaborate, special equipment occurs naturally in interstellar space.
Astronomical Masers. Moshe Elitzur. 29 Feb Paperback. US$ US$ Save US$ Add to basket. Astronomical Masers. Moshe Elitzur. 01 Jun Astrophysical masers, naturally occurring microwave and radio-wave emissions, provide an important tool to investigate astrophysical environments.
Several thousand maser sources have been observed in the interstellar medium and star formation regions, in the expanding winds from evolved stars, in the compressed shells of supernovae remnants, in comets and in the centers.
Interpreting Astronomical Spectra D. Emerson Institute for Astronomy, Department of Physics and Astronomy, The University of Edingurgh "Interpreting Astronomical Spectra" describes how physical conditions such as temperature, density and composition can be obtained from the spectra of a broad range of astronomical environments ranging from the cold interstellar.
Gas masers. In the first known maser of any kind, the amplifying medium was a beam of ammonia (NH 3) molecules, and the molecular resonance used was the strongest of the rotation-inversion lines, at a frequency near GHz (cm wavelength).Molecules from a pressurized tank of ammonia issued through an array of small orifices to form a molecular beam in a meter-long.
Masers have incredible effective temperatures, many around 10 9 K, but some of up to 10 12 K and even 10 14 K.
Polarisation. An important aspect of maser study is polarisation of the emission. Astronomical masers are often very highly polarised, sometimes % (in the case of some OH masers) in a circular fashion, and to a lesser degree in a.
Amiri, N, Vlemmings, WHT, Kemball, AJ & Van Langevelde, HJVLBA SiO maser observations of the OH/IR star OH Magnetic field and morphology. in RS Booth, EML Humphreys & WHT Vlemmings (eds), Cosmic Masers - from OH to H0. S edn, Proceedings of the International Astronomical Union, no.
S, vol. 8, pp. Cited by: 9. Astronomical masers near bright stars Supernovae: fairly big bang Active galaxies Epilogue-- Index.
(source: Nielsen Book Data) Summary Molecules in the early Universe acted as natural temperature regulators, keeping the primordial gas cool and, in turn, allowing galaxies and stars to be born.
Interpreting Astronomical Spectra D. Emerson Institute for Astronomy, Department of Physics and Astronomy, The University of Edingurgh Interpreting Astronomical Spectra describes how physical conditions such as temperature, density and composition can be obtained from the spectra of a broad range of astronomical environments ranging from the cold interstellar medium to very.
Explore our list of The Solar System - Astronomical Studies & Observations Books at Barnes & Noble®. Receive FREE shipping with your Barnes & Noble Membership. Due to COVID, orders may be delayed.Harvard Astronomy Department 60 Garden Street, MS 46 Cambridge, MA Phone: Fax: cosmic masers.
Many different masers occur in astrophysical environments. Amongst the most common are those of the molecules of hydroxyl (OH), water (H 2 O), methanol (CH 3 OH) and silicon monoxide (SiO). Oxygen-rich evolved stars host SiO, OH and H 2 O masers in their circumstellar envelopes, while star-forming regions display emission from OH, H 2 O and CH 3 .
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