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  Classification of image distortions in terms of Petrov types

Chrobok, T., & Perlick, V. (2001). Classification of image distortions in terms of Petrov types. Classical and Quantum Gravity, 18(15), 3059-3079.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-558E-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-558F-8
Genre: Journal Article

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3367.pdf (Preprint), 297KB
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 Creators:
Chrobok, Thoralf, Author
Perlick, Volker1, Author
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1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24012              

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 Abstract: An observer surrounded by sufficiently small spherical light sources at a fixed distance will see a pattern of elliptical images distributed over the sky, owing to the distortion effect (shearing effect) of the spacetime geometry upon light bundles. In lowest non-trivial order with respect to the distance, this pattern is completely determined by the conformal curvature tensor (Weyl tensor) at the observation event. In this paper we derive formulas that allow to calculate these distortion patterns in terms of the Newman-Penrose formalism. Then we represent the distortion patterns graphically for all Petrov types, and we discuss their dependence on the velocity of the observer.

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Language(s): eng - English
 Dates: 2001-08-07
 Publication Status: Published in print
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 Identifiers: eDoc: 3367
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 18 (15) Sequence Number: - Start / End Page: 3059 - 3079 Identifier: -