The Shadow of Black Holes ― An Analytic Description
- 系列名：Springerbriefs in Physics
- ISBN13：9783319300658
- 出版社：Springer Verlag
- 作者：Arne Grenzebach
- 裝訂：平裝
- 出版日：2016/05/31
商品簡介
This book introduces an analytic method to describe the shadow of black holes. As an introduction, it presents a survey of the attempts to observe the shadow of galactic black holes. Based on a detailed discussion of the Plebanski–Demianski class of space-times, the book derives analytical formulas for the photon regions and for the boundary curve of the shadow as seen by an observer in the domain of outer communication. It also analyzes how the shadow depends on the motion of the observer. For all cases, the photon regions and shadows are visualized for various values of the parameters. Finally, it considers how the analytical formulas can be used for calculating the horizontal and vertical angular diameters of the shadow, and estimates values for the black holes at the centers of our Galaxy near Sgr A* and of the neighboring galaxy M87.
作者簡介
Arne Grenzebach studiedMathematics and Physics at the University of Bremen and got a diploma in Mathematicsin 2008. From 2011 till 2015 he worked on gravitational lightdeflection at the ZARM institute, the drop tower of the University of Bremen. In 2015he received a doctoral degree in Physics.
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