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Probing Accretion Turbulence in the Galactic Center with EHT Polarimetry
Chunchong Ni, Avery E. Broderick, Roman Gold
Magnetic fields grown by instabilities driven by differential rotation are believed to be essential to accretion onto black holes. These instabilities saturate in a turbulent state…
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…
Tracing the hot spot motion using the next generation Event Horizon Telescope (ngEHT)
Razieh Emami, Paul Tiede, Sheperd S. Doeleman +19
We propose to trace the dynamical motion of a shearing hot spot near the SgrA* source through a dynamical image reconstruction algorithm, StarWarps. Such a hot spot may form as the…
Probing plasma composition with the next generation Event Horizon Telescope (ngEHT)
Razieh Emami, Richard Anantua, Angelo Ricarte +15
We explore the plasma matter content in the innermost accretion disk/jet in M87* as relevant for an enthusiastic search for the signatures of anti-matter in the next generation of…
Emission Modeling in the EHT-ngEHT Age
Richard Anantua, Joaquín Dúran, Nathan Ngata +9
This work proposes a methodology to test phenomenologically-motivated emission processes that account for the flux and polarization distribution and global structure of the 230 GHz…
Measuring the Ellipticity of M 87* Images
Paul Tiede, Avery E. Broderick, Daniel C. M. Palumbo +1
The Event Horizon Telescope (EHT) images of the supermassive black hole at the center of the galaxy M 87 provided the first image of the accretion environment on horizon scales. Ge…