Tracing Hot Spot Motion in Sagittarius A* Using the Next-Generation Event Horizon Telescope (ngEHT) by Emami, Razieh, Tiede, Paul, Doeleman, Sheperd S., Roelofs, Freek, Wielgus, Maciek, Blackburn, Lindy, Liska, Matthew, Chatterjee, Koushik, Ripperda, Bart, Fuentes, Antonio, Broderick, Avery E., Hernquist, Lars, Alcock, Charles, Narayan, Ramesh, Smith, Randall, Tremblay, Grant, Ricarte, Angelo, Sun, He, Anantua, Richard, Kovalev, Yuri Y.

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