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The Observation and Analysis of Stellar Photospheres (Cambridge Astrophysics)
Rok: 1992
ISBN: 9780521403207
OKCZID: 110383504
Citace (dle ČSN ISO 690):
GRAY, David F. The observation and analysis of stellar photospheres. 2nd ed. Cambridge: Cambridge University Press, 1992. xvii, 452 s. Cambridge astrophysics series, 20.
Anotace
The starlight we see comes from the outer layers of a star, from the region known as the photosphere. Most of what we know about stars is learned by studying the light from the photosphere. This book describes the equipment, observational techniques and analysis used in the investigation of stellar photospheres. The opening chapters describe the basic tools, such as spectrographs and light detectors, as well as the physics of radiative transfer and the construction of models. Next the author introduces the measurement and modelling of the continuum spectrum. This is followed by the study of spectral line radiation. The final chapters explain how these techniques enable astronomers to deduce valuable information on basic properties of stars. For example, temperature, radius, surface gravity, chemical composition, rotation rate, and velocity fields can be derived from stellar spectroscopy. This textbook is written clearly and at a level suitable for advanced undergraduates, graduate students and researchers working on the properties of stars. The book is filled with real examples of stellar observations and analysis. There is valuable data and calibrations that are useful in real research, as well as extensive references to the primary literature.