Sgr A*: The optimal testbed of strong-field gravity

Dimitrios Psaltis, Tim Johannsen

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Abstract

The black hole in the center of the Milky Way has been observed and modeled intensely during the last decades. It is also the prime target of a number of new experiments that aim to zoom into the vicinity of its horizon and reveal the inner working of its spacetime. In this review we discuss our current understanding of the gravitational field of Sgr A* and the prospects of testing the Kerr nature of its spacetime via imaging, astrometric, and timing observations.

Original languageEnglish (US)
Article number012030
JournalJournal of Physics: Conference Series
Volume283
Issue number1
DOIs
Publication statusPublished - 2011

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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