منابع مشابه
Gravitational Field of A Radiating Star in Higher Dimensions
We obtain fields of a relativistic radiating star of non-static mass in the framework of higher dimensional spacetime. Assuming energy-momentum tensor in Higher dimensions analogous to that considered by Vaidya in 4 dimensions we obtain solution of a radiating spherically symmetric star. The solution obtained here is new in higher dimensions which however reduces to that obtained by Vaidya in 4...
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A model is proposed of a collapsing quasi-spherical radiating star with matter content as shearfree isotropic fluid undergoing radial heat-flow with outgoing radiation. To describe the radiation of the system, we have considered both plane symmetric and spherical Vaidya solutions. Physical conditions and thermodynamical relations are studied using local conservation of momentum and surface red-...
متن کاملOn the Eccentricity Behaviour of Radiating Slowly Rotating Bodies in General Relativity
We study different models of radiating slowly rotating bodies up to the first order in the angular velocity. It is shown that up to this order the evolution of the eccentricity is highly model-dependent even for very compact objects. On leave of absence from Centro de Astrof́ısica Teórica, Universidad de Los Andes, Mérida Venezuela , and Departamento de F́ısica, Facultad de Ciencias U.C.V e-mail:...
متن کاملThe long - term behaviour of the Be star HD 163868 ?
In this paper we discuss the light variations of HD 163868 on the basis of all available photometric data originating from photometric monitoring during the last two decades. We suggest that one explanation of the on-and-off type variability can be a binary configuration with a compact companion and a period of the order of 850 days, though the observed effects could also be seen in the context...
متن کاملStructural Stefan Kramer
In many real-world domains the task of machine learning algorithms is to learn a theory for predicting numerical values. In particular several standard test domains used in Inductive Logic Programming (ILP) are concerned with predicting numerical values from examples and relational and mostly non-determinate background knowledge. However, so far no ILP algorithm except one can predict numbers a...
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ژورنال
عنوان ژورنال: Australian Journal of Physics
سال: 1997
ISSN: 0004-9506
DOI: 10.1071/p96025