The Colours And Spectra Of The Stars
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The Colours And Spectra Of The Stars
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Author : A. L.. Cortie
language : en
Publisher:
Release Date : 1915
The Colours And Spectra Of The Stars written by A. L.. Cortie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1915 with categories.
The Analysis Of Starlight
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Author : J. B. Hearnshaw
language : en
Publisher: CUP Archive
Release Date : 1990-04-19
The Analysis Of Starlight written by J. B. Hearnshaw and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-04-19 with Nature categories.
This book presents a detailed pedagogical account of the equation of state and its applications in several important and fast growing topics in theoretical physics, chemistry and engineering. This book is the storv of the analysis of starlight by astronomical spectroscopy. It describes the development of the subject from the time of Joseph Fraunhofer, who, in 1814, used a telescope-mounted prism to observe the spectral light emitted from several bright stars. He discovered that light was missing at certain colours (wavelengths) in the starlight, and these so-called spectral lines were subsequently shown to hold clues to the nature of the stars themselves. The book explains how the classification of stars using their line spectra developed into a major branch of astronomy whilst new methods in astrophysics made possible the approximate quantitative analysis of spectral lines in the 1920s and 1930s. After the Second World War these techniques were considerably improved when computers were programmed to model the structure of the outer layers of stars. Basic concepts in spectroscopy and spectral analysis are also covered and. finally. Dr Hearnshaw comments on the stellar spectroscopy of some individual star.
Colours Of The Stars
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Author : David Malin
language : en
Publisher: CUP Archive
Release Date : 1984-08-30
Colours Of The Stars written by David Malin and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-08-30 with Nature categories.
"Colours of the stars uses spectacular photography to shw the coulours of stars, galaxies, and nebulae." -- dust jacket.
Stars And Their Spectra
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Author : James B. Kaler
language : en
Publisher: Cambridge University Press
Release Date : 1997-03-27
Stars And Their Spectra written by James B. Kaler and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-03-27 with Nature categories.
The study of stars and their spectra is central to an understanding of classical and modern astronomy. The principal tool for investigating the nature of stars is to observe and interpret their spectra. In this lucid book, James Kaler clearly explains the alphabet of stellar astronomy - from the cool M stars to hot O stars - and tells the story of the evolution of stars and their place in the Universe. Before embarking on a fascinating voyage of cosmic discovery, we are introduced to the fundamental properties of stars, and how they can be categorised. Next, the structure of atoms and the formation of spectra is discussed, as a prelude to a full description of the spectral classification itself. The heart of the book examines each star type in turn and explores their spectra in detail. Notable discoveries and features related to each class sustain the story. There is also a review of unusual stars that cannot easily be classified. Finally, the book closes with a skilful integration of all the data - tracing the paths of birth, life and death of stars on the Hertzsprung-Russell diagram. This book is based on a widely acclaimed series of articles on stellar astronomy which appeared in the magazine Sky and Telescope. It provides an invaluable introduction for observers and students.
Stars And Their Spectra
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Author : James B. Kaler
language : en
Publisher: Cambridge University Press
Release Date : 2011-07-28
Stars And Their Spectra written by James B. Kaler and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-28 with Science categories.
Revised and expanded, the second edition of this popular book provides a thorough introduction to stellar spectra. Each chapter explores a different star type, including new classes L and T. With modern digital spectra and updates from two decades of astronomical discoveries, it is invaluable for amateur astronomers and students.
Philosophical Transactions Of The Royal Society Of London
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Author : Royal Society (Great Britain)
language : en
Publisher:
Release Date : 1865
Philosophical Transactions Of The Royal Society Of London written by Royal Society (Great Britain) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1865 with Mathematics categories.
Spectrum Analysis Six Lectures With Appendices Coloured Plates And Illustrations
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Author : Henry Enfield Roscoe
language : en
Publisher:
Release Date : 1873
Spectrum Analysis Six Lectures With Appendices Coloured Plates And Illustrations written by Henry Enfield Roscoe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1873 with categories.
Extragalactic Astronomy And Cosmology
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Author : Peter Schneider
language : en
Publisher: Springer
Release Date : 2014-10-08
Extragalactic Astronomy And Cosmology written by Peter Schneider and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-08 with Science categories.
This second edition has been updated and substantially expanded. Starting with the description of our home galaxy, the Milky Way, this cogently written textbook introduces the reader to the astronomy of galaxies, their structure, active galactic nuclei, evolution and large scale distribution in the Universe. After an extensive and thorough introduction to modern observational and theoretical cosmology, the focus turns to the formation of structures and astronomical objects in the early Universe. The basics of classical astronomy and stellar astrophysics needed for extragalactic astronomy are provided in the appendix. While this book has grown out of introductory university courses on astronomy and astrophysics and includes a set of problems and solutions, it will not only benefit undergraduate students and lecturers; thanks to the comprehensive coverage of the field, even graduate students and researchers specializing in related fields will appreciate it as a valuable reference work.
The Spectra Of Stars Of Secchi S Fourth Type Classic Reprint
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Author : George Ellery Hale
language : en
Publisher: Forgotten Books
Release Date : 2017-11-26
The Spectra Of Stars Of Secchi S Fourth Type Classic Reprint written by George Ellery Hale and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-26 with Science categories.
Excerpt from The Spectra of Stars of Secchi's Fourth Type The possibility of basing a systematic scheme of stellar evolution on spectroscopic observa tions is foreshadowed in the work of Fraunhofer, who in 1823 observed for the first time the spectra of a few of the brightest stars. Though wholly ignorant of the origin of the dark lines in these spectra, Fraunhofer recognized that their number, appearance, and grouping differed greatly from star to star, and that in certain cases the solar spectrum seemed to be exactly duplicated. But it required such a general survey as that of Secchi, who examined the spectra of more than four thousand stars, to afford any basis for a scheme of classification. The purely empirical classification which he adopted includes a very large percentage of the stars among its five principal types, and subsequent systems have done little more than to add subgroups to provide for the comparatively few peculiar spectra which do not fall within Secchi's divisions. Secchi's classification, as we have said, was a purely empirical one, intended to serve only as a convenient means of grouping similar spectra. But the researches of Huggins and Vogel soon intro duced the idea of development, and the changes of spectra from type to type came to be regarded as synonymous with progressive changes in the stars themselves. Spectroscopists have agreed in regarding the white stars, with spectra characterized by the predominance of the series of hydrogen lines (secchi's first type), as representing an early stage of development, corresponding to a condition of low density. Through the continued action of gravity, accompanied by loss of heat, the absorbing metallic vapors increase in density, producing a marked increase in the number and strength of the metallic lines, while the hydrogen lines become narrower and less conspicuous (secchi's second type). The reduction of light caused by the greater absorption is most marked at the violet end of the spectrum, causing the color of the star to change from white to yellow. After passing this, the solar, stage, further operation of the same causes results in the production of red stars, whose spectra might be expected to indicate comparatively low temperature and high density of the absorbing vapors. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Spectroscopy The Key To The Stars
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Author : Keith Robinson
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-08-15
Spectroscopy The Key To The Stars written by Keith Robinson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-15 with Science categories.
This is the first non-technical book on spectroscopy written specifically for practical amateur astronomers. It includes all the science necessary for a qualitative understanding of stellar spectra, but avoids a mathematical treatment which would alienate many of its intended readers. Any amateur astronomer who carries out observational spectroscopy and who wants a non-technical account of the physical processes which determine the intensity and profile morphology of lines in stellar spectra will find this is the only book written specially for them. It is an ideal companion to existing books on observational amateur astronomical spectroscopy.