By S. Chandrasekhar, Space
Rigorous exam of dating among lack of power, mass, and radius of stars in a gradual country. Unabridged, corrected republication of unique (1939) version. "The fabric is all through offered with enviable crispness and readability of expression. The paintings will surely develop into an critical guide for destiny researchers within the field." — Nature.
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Additional resources for An Introduction to the Study of Stellar Structure ( Dover Publications )
In principle, high resolution optics which have been used for solar X-ray observations can be used for studying cosmic X-rays and plans are 28 CHAPTER 2 being formulated for their use in satellite experiments. The detection and localization of discrete sources has been the major objective of observations to date. The use of proportional detectors allows obtaining broad band spectral data as well, and repeated measurements of the same source allows the observation of time variability which is an important element in the study of galactic sources.
Essentially, a third parameter is introduced into the analysis. For example, in the case of polarization one is attempting to determine the count rate attributable to a source as the instrument is rotating around an axis. The analysis is then directed to finding a component of the count rate synchronous with that rotation. 2. VehicIe Considerations It was noted in the introductory remarks of this chapter that the design of an X-ray observation was influenced by the motion of the vehicle which carries the observations.
And Waters, J. : 1965, Nature 207, 572. Grasberger, W. : 1959, Lawrence Radiation Laboratory at Livermore on 'Interplanetary X-ray Radiation from Stellar Sources', 22 February 1959. Hayakawa, S. : 1963, Proc. Intern. Conf on Cosmic Rays, Jaipur, Vol. 3, p. 213. Johnson, H. M. and Stephenson, C. : 1966, Astrophys. J. (Letters) 146, 602. : 1958, Nuovo Cimento 7, 858. Mandel'shtam S. L. and Efremov, A. : 1958, in the Russian Literature of Satellites, Part II, International Physical Index, New York.