Search Results - "Emami, Razieh"

Detectability of gravitational waves from a population of inspiralling black holes in Milky Way-mass galaxies by Emami, Razieh, Loeb, Abraham

“…ABSTRACT We estimate the rate of inspiral for a population of stellar mass black holes in the star cluster around the supermassive black hole (SMBHs) at the…”
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Determining the Composition of Relativistic Jets from Polarization Maps by Anantua, Richard, Emami, Razieh, Loeb, Abraham, Chael, Andrew

“…We present a stationary, axisymmetric, self-similar, semianalytic model of magnetically dominated jet plasma based on force-free regions of a relativistic…”
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Positron Effects on Polarized Images and Spectra from Jet and Accretion Flow Models of M87 and Sgr A by Emami, Razieh, Anantua, Richard, Chael, Andrew A., Loeb, Abraham

“…Abstract We study the effects of including a nonzero positron-to-electron fraction in emitting plasma on the polarized spectral energy distributions and…”
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Rapid Quenching of Galaxies at Cosmic Noon by Park, Minjung, Belli, Sirio, Conroy, Charlie, Tacchella, Sandro, Leja, Joel, Cutler, Sam E., Johnson, Benjamin D., Nelson, Erica J., Emami, Razieh

“…Abstract The existence of massive quiescent galaxies at high redshift seems to require rapid quenching, but it is unclear whether all quiescent galaxies have…”
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Magnetic Flux Plays an Important Role during a Black Hole X-Ray Binary Outburst in Radiative Two-temperature General Relativistic Magnetohydrodynamic Simulations by Liska, M. T. P., Kaaz, N., Chatterjee, K., Emami, Razieh, Musoke, G.

“…Abstract Black hole (Bh) X-ray binaries cycle through different spectral states of accretion over the course of months to years. Although persistent changes in…”
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Gas Accretion Can Drive Turbulence in Galaxies by Forbes, John C., Emami, Razieh, Somerville, Rachel S., Genel, Shy, Nelson, Dylan, Pillepich, Annalisa, Burkhart, Blakesley, Bryan, Greg L., Krumholz, Mark R., Hernquist, Lars, Tonnesen, Stephanie, Torrey, Paul, Pandya, Viraj, Hayward, Christopher C.

“…Abstract The driving of turbulence in galaxies is deeply connected with the physics of feedback, star formation, outflows, accretion, and radial transport in…”
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The ngEHT’s Role in Measuring Supermassive Black Hole Spins by Ricarte, Angelo, Tiede, Paul, Emami, Razieh, Tamar, Aditya, Natarajan, Priyamvada

“…While supermassive black-hole masses have been cataloged across cosmic time, only a few dozen of them have robust spin measurements. By extending and improving…”
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Detection of Accretion Shelves Out to the Virial Radius of a Low-mass Galaxy with JWST by Conroy, Charlie, Johnson, Benjamin D., van Dokkum, Pieter, Deason, Alis, Tacchella, Sandro, Belli, Sirio, Bowman, William P., Naidu, Rohan P., Park, Minjung, Abraham, Roberto, Emami, Razieh

“…Abstract We report the serendipitous discovery of an extended stellar halo surrounding the low-mass galaxy Ark 227 ( M * = 5 × 10 9 M ⊙ ; d = 35 Mpc) in deep…”
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Gas Morphology of Milky Way–like Galaxies in the TNG50 Simulation: Signals of Twisting and Stretching by Waters, Thomas K., Peterson, Colton, Emami, Razieh, Shen, Xuejian, Hernquist, Lars, Smith, Randall, Vogelsberger, Mark, Alcock, Charles, Tremblay, Grant, Liska, Matthew, Forbes, John C., Moreno, Jorge

“…Abstract We present an in-depth analysis of gas morphologies for a sample of 25 Milky Way–like galaxies from the IllustrisTNG TNG50 simulation. We constrain…”
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Modeling Reconstructed Images of Jets Launched by SANE Super-Eddington Accretion Flows around SMBHs with the ngEHT by Curd, Brandon, Emami, Razieh, Roelofs, Freek, Anantua, Richard

“…Tidal disruption events (TDEs) around supermassive black holes (SMBHs) are a potential laboratory to study super-Eddington accretion disks and sometimes result…”
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Unraveling Twisty Linear Polarization Morphologies in Black Hole Images by Emami, Razieh, Ricarte, Angelo, Wong, George N., Palumbo, Daniel, Chang, Dominic, Doeleman, Sheperd S., Broderick, Avery E., Narayan, Ramesh, Wielgus, Maciek, Blackburn, Lindy, Prather, Ben S., Chael, Andrew A., Anantua, Richard, Chatterjee, Koushik, Marti-Vidal, Ivan, Gómez, Jose L., Akiyama, Kazunori, Liska, Matthew, Hernquist, Lars, Tremblay, Grant, Vogelsberger, Mark, Alcock, Charles, Smith, Randall, Steiner, James, Tiede, Paul, Roelofs, Freek

“…Abstract We investigate general relativistic magnetohydrodynamic simulations to determine the physical origin of the twisty patterns of linear polarization…”
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The EB Correlation in Resolved Polarized Images: Connections to the Astrophysics of Black Holes by Emami, Razieh, Doeleman, Sheperd S., Wielgus, Maciek, Chang, Dominic, Chatterjee, Koushik, Smith, Randall, Liska, Matthew, Steiner, James F., Ricarte, Angelo, Narayan, Ramesh, Tremblay, Grant, Finkbeiner, Douglas, Hernquist, Lars, Chan, Chi-Kwan, Blackburn, Lindy, Prather, Ben S., Tiede, Paul, Broderick, Avery E., Vogelsberger, Mark, Alcock, Charles, Roelofs, Freek

“…Abstract We present an in-depth analysis of the newly proposed correlation function in visibility space, between the E and B modes of linear polarization,…”
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How Spatially Resolved Polarimetry Informs Black Hole Accretion Flow Models by Ricarte, Angelo, Johnson, Michael D., Kovalev, Yuri Y., Palumbo, Daniel C. M., Emami, Razieh

“…The Event Horizon Telescope (EHT) Collaboration has successfully produced images of two supermassive black holes, enabling novel tests of black holes and their…”
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The ngEHT Analysis Challenges by Roelofs, Freek, Blackburn, Lindy, Lindahl, Greg, Doeleman, Sheperd S., Johnson, Michael D., Arras, Philipp, Chatterjee, Koushik, Emami, Razieh, Fromm, Christian, Fuentes, Antonio, Knollmüller, Jakob, Kosogorov, Nikita, Müller, Hendrik, Patel, Nimesh, Raymond, Alexander, Tiede, Paul, Traianou, Efthalia, Vega, Justin

“…The next-generation Event Horizon Telescope (ngEHT) will be a significant enhancement of the Event Horizon Telescope (EHT) array, with ∼10 new antennas and…”
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Accretion Flow Morphology in Numerical Simulations of Black Holes from the ngEHT Model Library: The Impact of Radiation Physics by Chatterjee, Koushik, Chael, Andrew, Tiede, Paul, Mizuno, Yosuke, Emami, Razieh, Fromm, Christian, Ricarte, Angelo, Blackburn, Lindy, Roelofs, Freek, Johnson, Michael D., Doeleman, Sheperd S., Arras, Philipp, Fuentes, Antonio, Knollmüller, Jakob, Kosogorov, Nikita, Lindahl, Greg, Müller, Hendrik, Patel, Nimesh, Raymond, Alexander, Traianou, Efthalia, Vega, Justin

“…In the past few years, the Event Horizon Telescope (EHT) has provided the first-ever event horizon-scale images of the supermassive black holes (BHs) M87* and…”
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Probing Plasma Composition with the Next Generation Event Horizon Telescope (ngEHT) by Emami, Razieh, Anantua, Richard, Ricarte, Angelo, Doeleman, Sheperd S., Broderick, Avery, Wong, George, Blackburn, Lindy, Wielgus, Maciek, Narayan, Ramesh, Tremblay, Grant, Alcock, Charles, Hernquist, Lars, Smith, Randall, Liska , Matthew, Natarajan, Priyamvada, Vogelsberger, Mark, Curd, Brandon, Kramer , Joana A.

“…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…”
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Emission Modeling in the EHT–ngEHT Age by Anantua, Richard, Dúran, Joaquín, Ngata, Nathan, Oramas, Lani, Röder, Jan, Emami, Razieh, Ricarte, Angelo, Curd, Brandon, Broderick, Avery E., Wayland, Jeremy, Wong, George N., Ressler, Sean, Nigam, Nitya, Durodola, Emmanuel

“…This work proposes a methodology for testing phenomenologically motivated emission processes that account for the flux and polarization distribution and global…”
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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., Natarajan, Priyamvada, Vogelsberger, Mark

“…We propose the tracing of the motion of a shearing hot spot near the Sgr A* source through a dynamical image reconstruction algorithm, StarWarps. Such a hot…”
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Probingintermediate-mass black holes in M87 through multiwavelength gravitational wave observations by Emami, Razieh, Loeb, Abraham

“…ABSTRACT We analyse triple systems composed of the supermassive black hole (SMBH) near the centre of M87 and a pair of black holes (BHs) with masses in the…”
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Probing the scale dependence of non-Gaussianity with spectral distortions of the cosmic microwave background by Emami, Razieh, Dimastrogiovanni, Emanuela, Chluba, Jens, Kamionkowski, Marc

“…Many inflation models predict that primordial density perturbations have a nonzero three-point correlation function, or bispectrum in Fourier space. Of the…”
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