An Illustrated History of Black Hole Imaging : Personal Recollections (1972-2002)

Abstract : The Event Horizon Telescope Consortium is on the verge to provide the first telescopic image of massive black holes SgrA* and M87* surrounded by accretion disks, at a resolution scale comparable to the size of their event horizons. Well before this remarkable achievement made possible by VLBI radio astronomy, many researchers used the computer to reconstruct how a black hole surrounded by luminous material would look from close-up views. The images must experience extraordinary optical deformations due to the deflection of light rays produced by the strong curvature of the space-time in the vicinity. General relativity allows the calculation of such effects, both on a surrounding accretion disk and on the background star field. This article is an exhaustive and illustrated review of the numerical work on black hole imaging done during the first thirty years of its history.
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Submitted on : Wednesday, March 13, 2019 - 8:52:57 AM
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Jean-Pierre Luminet. An Illustrated History of Black Hole Imaging : Personal Recollections (1972-2002). 2019. ⟨hal-02065881⟩



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