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Title:
The observation and analysis of stellar photospheres
Authors:
Gray, David F.
Affiliation:
AA(Western Ontario, University, London, Canada)
Publication:
Research supported by the National Research Council of Canada. New York, Wiley-Interscience, 1976. 484 p.
Publication Date:
00/1976
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Photosphere, Stellar Atmospheres, Stellar Spectra, Absorptivity, Astronomical Spectroscopy, Atmospheric Models, Atmospheric Turbulence, Black Body Radiation, Continuous Radiation, Convective Heat Transfer, Fourier Transformation, Line Spectra, Radiation Detectors, Radiative Transfer, Spectrum Analysis, Stellar Rotation, Stellar Spectrophotometry, Stellar Temperature
Bibliographic Code:
1976oasp.book.....G

Abstract

The present book provides an introduction to techniques and analyses used in observing stellar photospheres. Fourier transforms are examined, and instruments employed for photospheric observations are described, including spectroscopic devices and light detectors. The basic quantities of radiation measurement are identified, blackbody radiation theory is reviewed, and the processes of radiative and convective energy transfer are outlined. Calculation of the continuous absorption coefficient is explained, the construction of model photospheres is described in detail, and the measurement of stellar continua is discussed along with instruments and analytical techniques for such measurements. Other topics include the measurement and behavior of spectral lines, chemical analysis of stellar spectra, measurements of stellar temperatures and radii, spectroscopic measurements of photospheric pressure and surface gravity, stellar rotation, and photospheric turbulence.
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Database: Astronomy
Physics
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