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Expectations for Horizon-Scale Supermassive Black Hole Population Studies with the ngEHT
Dominic W. Pesce, Daniel C. M. Palumbo, Angelo Ricarte +5
We present estimates for the number of supermassive black holes (SMBHs) for which the next-generation Event Horizon Telescope (ngEHT) can identify the black hole ``shadow,'' along…
Relativistic Signatures of Flux Eruption Events Near Black Holes
Zachary Gelles, Koushik Chatterjee, Michael Johnson +2
Images of supermassive black holes produced using very long baseline interferometry provide a pathway to directly observing effects of a highly curved spacetime, such as a bright `…
Measuring Photon Rings with the ngEHT
Paul Tiede, Michael D. Johnson, Dominic W. Pesce +3
General relativity predicts that images of optically thin accretion flows around black holes should generically have a ``photon ring,'' composed of a series of increasingly sharp s…
Bayesian Accretion Modeling: Axisymmetric Equatorial Emission in the Kerr Spacetime
Daniel C. M Palumbo, Zachary Gelles, Paul Tiede +4
The Event Horizon Telescope (EHT) has produced images of two supermassive black holes, Messier~87* (M 87*) and Sagittarius~A* (Sgr A*). The EHT collaboration used these images to i…
The science case and challenges of space-borne sub-millimeter interferometry
Leonid I. Gurvits, Zsolt Paragi, Ricardo I. Amils +51
Ultra-high angular resolution in astronomy has always been an important vehicle for making fundamental discoveries. Recent results in direct imaging of the vicinity of the supermas…