Stellar Spectral Classification

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Stellar Spectral Classification

Author : Richard O. Gray
ISBN : 9780691125114
Genre : Science
File Size : 74.20 MB
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Written by leading experts in the field, Stellar Spectral Classification is the only book to comprehensively discuss both the foundations and most up-to-date techniques of MK and other spectral classification systems. Definitive and encyclopedic, the book introduces the astrophysics of spectroscopy, reviews the entire field of stellar astronomy, and shows how the well-tested methods of spectral classification are a powerful discovery tool for graduate students and researchers working in astronomy and astrophysics. The book begins with a historical survey, followed by chapters discussing the entire range of stellar phenomena, from brown dwarfs to supernovae. The authors account for advances in the field, including the addition of the L and T dwarf classes; the revision of the carbon star, Wolf-Rayet, and white dwarf classification schemes; and the application of neural nets to spectral classification. Copious figures illustrate the morphology of stellar spectra, and the book incorporates recent discoveries from earth-based and satellite data. Many examples of spectra are given in the red, ultraviolet, and infrared regions, as well as in the traditional blue-violet optical region, all of which are useful for researchers identifying stellar and galactic spectra. This essential reference includes a glossary, handy appendixes and tables, an index, and a Web-based resource of spectra. In addition to the authors, the contributors are Adam J. Burgasser, Margaret M. Hanson, J. Davy Kirkpatrick, and Nolan R. Walborn.
Category: Science

Stars And Their Spectra

Author : James B. Kaler
ISBN : 9780521899543
Genre : Science
File Size : 30.49 MB
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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.
Category: Science

Determination Of Atmospheric Parameters Of B A F And G Type Stars

Author : Ewa Niemczura
ISBN : 9783319069562
Genre : Science
File Size : 49.74 MB
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This book introduces the theory of stellar atmospheres. Almost everything we know about stars is by analysis of the radiation coming from their atmospheres. Several aspects of astrophysics require accurate atmospheric parameters and abundances. Spectroscopy is one of the most powerful tools at an astronomer’s disposal, allowing the determination of the fundamental parameters of stars: surface temperature, gravity, chemical composition, magnetic field, rotation and turbulence. These can be supplemented by distance measurements or pulsation parameters providing information about stellar interior and stellar evolution, otherwise unavailable. The volume is based on lectures presented at the Wrocław's Spectroscopic School aimed at training young researchers in performing quantitative spectral analysis of low-, mid-, and high-resolution spectra of B, A, and F-type stars.
Category: Science

Scientific And Technical Aerospace Reports

Author :
ISBN : UIUC:30112102359566
Genre : Aeronautics
File Size : 73.65 MB
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Category: Aeronautics

Introduction To Stellar Astrophysics Volume 1 Basic Stellar Observations And Data

Author : Erika Böhm-Vitense
ISBN : 0521348692
Genre : Science
File Size : 44.97 MB
Format : PDF
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This textbook introduction to the basic elements of fundamental astronomy and astrophysics serves as a foundation for understanding the structure, evolution, and observed properties of stars. The first half of the book explains how stellar motions, distances, luminosities, colors, radii, masses and temperatures are measured or derived. The author then shows how data of these sorts can be arranged to classify stars through their spectra. Stellar rotation and stellar magnetic fields are introduced. Stars with peculiar spectra and pulsating stars also merit special attention. The endpoints of stellar evolutions are briefly described. There is a separate chapter on the Sun and a final one on interstellar absorption. The usefulness of this text is enhanced by the inclusion of problems for students, tables of astronomical constants, and a selective bibliography. This is an excellent textbook for undergraduate and beginning graduate students studying astronomy and astrophysics.
Category: Science

The Analysis Of Starlight

Author : J. B. Hearnshaw
ISBN : 0521399165
Genre : Science
File Size : 20.98 MB
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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.
Category: Science

Astrophysics Stars

Author : Richard L. Bowers
ISBN : UOM:39015059010242
Genre : Science
File Size : 70.37 MB
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Category: Science

An Introduction To Modern Stellar Astrophysics

Author : Dale A. Ostlie
ISBN : UCSD:31822034306423
Genre : Science
File Size : 20.19 MB
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This exciting text opens the entire field of modern astrophysics to the reader by using only the basic tools of physics. Designed for the junior- level astrophysics course, each topic is approached in the context of the major unresolved questions in astrophysics. The core chapters have been designed for a course in stellar structure and evolution, while the extended chapters provide additional coverage of the solar system, galactic structure, dynamics, evolution, and cosmology
Category: Science

Stellar Astronomy

Author : State University of New York at Stony Brook. Department of Earth and Space Sciences
ISBN : UOM:39015060914911
Genre : Stars
File Size : 86.85 MB
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Category: Stars