Search Results - "BRODERICK, Avery E"

THE COSMOLOGICAL IMPACT OF LUMINOUS TeV BLAZARS. I. IMPLICATIONS OF PLASMA INSTABILITIES FOR THE INTERGALACTIC MAGNETIC FIELD AND EXTRAGALACTIC GAMMA-RAY BACKGROUND by BRODERICK, Avery E, CHANG, Philip, PFROMMER, Christoph

“…Inverse Compton cascades (ICCs) initiated by energetic gamma rays (E [> ~] 100 GeV) enhance the GeV emission from bright, extragalactic TeV sources. The…”
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Constraining the Existence of Axion Clouds in M87 with Closure Trace Analyses by Wang, Zhiren, Broderick, Avery E.

“…Abstract Black holes can amplify incoming bosonic waves via rotational superradiance, inducing bound states of ultralight bosons around them. This phenomenon…”
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Bayesian Constraints on the Ring Ellipticity of M87 2017 Using Themis by Tiede, Paul, Broderick, Avery E.

“…Measuring the properties of black hole images has the potential to constrain deviations from general relativity on horizon scales. Of particular interest is…”
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Autoencoding Labeled Interpolator, Inferring Parameters from Image and Image from Parameters by SaraerToosi, Ali, Broderick, Avery E.

“…Abstract The Event Horizon Telescope (EHT) provides an avenue to study black hole accretion flows on event-horizon scales. Fitting a semianalytical model to…”
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Shadow Implications: What Does Measuring the Photon Ring Imply for Gravity? by Broderick, Avery E., Salehi, Kiana, Georgiev, Boris

“…Abstract With the imaging and characterization of the horizon-scale images of M87* and Sgr A* by the Event Horizon Telescope (EHT), it has become possible to…”
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Imaging the Schwarzschild-radius-scale Structure of M87 with the Event Horizon Telescope Using Sparse Modeling by Akiyama, Kazunori, Kuramochi, Kazuki, Ikeda, Shiro, Fish, Vincent L., Tazaki, Fumie, Honma, Mareki, Doeleman, Sheperd S., E. Broderick, Avery, Dexter, Jason, Mo cibrodzka, Monika, Bouman, Katherine L., A. Chael, Andrew, Zaizen, Masamichi

“…We propose a new imaging technique for radio and optical/infrared interferometry. The proposed technique reconstructs the image from the visibility amplitude…”
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Closure Traces: Novel Calibration-insensitive Quantities for Radio Astronomy by Broderick, Avery E., Pesce, Dominic W.

“…Abstract Closure phases and closure amplitudes have proven critical to modern radio interferometry due to their insensitivity to the uncertain station gains…”
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Photon Rings and Shadow Size for General Axisymmetric and Stationary Integrable Spacetimes by Salehi, Kiana, Broderick, Avery E., Georgiev, Boris

“…Abstract There are now multiple direct probes of the region near black hole horizons, including direct imaging with the Event Horizon Telescope (EHT). As a…”
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Reconciling EHT and Gas-dynamics Measurements in M87: Is the Jet Misaligned at Parsec Scales? by Jeter, Britton, Broderick, Avery E.

“…Abstract The Event Horizon Telescope mass estimate for M87* is consistent with the stellar dynamics mass estimate and inconsistent with the gas-dynamics mass…”
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Imaging the Black Hole Silhouette of M87: Implications for Jet Formation and Black Hole Spin by Broderick, Avery E, Loeb, Abraham

“…The silhouette cast by the horizon of the supermassive black hole in M87 can now be resolved with the emerging millimeter very long baseline interferometry…”
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Variational Image Feature Extraction for the Event Horizon Telescope by Tiede, Paul, Broderick, Avery E., Palumbo, Daniel C. M.

“…Abstract Imaging algorithms form powerful analysis tools for very long baseline interferometry (VLBI) data analysis. However, these tools cannot measure…”
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Missing Gamma-Ray Halos and the Need for New Physics in the Gamma-Ray Sky by Broderick, Avery E., Tiede, Paul, Chang, Philip, Lamberts, Astrid, Pfrommer, Christoph, Puchwein, Ewald, Shalaby, Mohamad, Werhahn, Maria

“…An intergalactic magnetic field (IGMF) stronger than 3 × 10−13 G would explain the lack of a bright, extended degree-scale, GeV-energy inverse Compton…”
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The Scattering and Intrinsic Structure of Sagittarius A at Radio Wavelengths by Johnson, Michael D., Narayan, Ramesh, Psaltis, Dimitrios, Blackburn, Lindy, Kovalev, Yuri Y., Gwinn, Carl R., Zhao, Guang-Yao, Bower, Geoffrey C., Moran, James M., Kino, Motoki, Kramer, Michael, Akiyama, Kazunori, Dexter, Jason, Broderick, Avery E., Sironi, Lorenzo

“…Radio images of the Galactic Center supermassive black hole, Sagittarius A* (Sgr A*), are dominated by interstellar scattering. Previous studies of Sgr A* have…”
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Impact of Accretion Flow Dynamics on Gas-dynamical Black Hole Mass Estimates by Jeter, Britton, Broderick, Avery E., McNamara, B. R.

“…At low redshift, the majority of supermassive black hole (SMBH) mass estimates are obtained from modeling stellar kinematics or ionized gas dynamics in the…”
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EVIDENCE FOR LOW BLACK HOLE SPIN AND PHYSICALLY MOTIVATED ACCRETION MODELS FROM MILLIMETER-VLBI OBSERVATIONS OF SAGITTARIUS A by BRODERICK, Avery E, FISH, Vincent L, DOELEMAN, Sheperd S, LOEB, Abraham

“…Millimeter very long baseline interferometry (mm-VLBI) provides the novel capacity to probe the emission region of a handful of supermassive black holes on…”
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Parsec-scale Faraday Rotation Measures from General Relativistic Magnetohydrodynamic Simulations of Active Galactic Nucleus Jets by Broderick, Avery E, McKinney, Jonathan C

“…It is now possible to compare global three-dimensional general relativistic magnetohydrodynamic (GRMHD) jet formation simulations directly to multi-wavelength…”
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Growth of Beam-Plasma Instabilities in the Presence of Background Inhomogeneity by Shalaby, Mohamad, Broderick, Avery E., Chang, Philip, Pfrommer, Christoph, Lamberts, Astrid, Puchwein, Ewald

“…We explore how inhomogeneity in the background plasma number density alters the growth of electrostatic unstable wavemodes of beam-plasma systems. This is…”
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THE COSMOLOGICAL IMPACT OF LUMINOUS TeV BLAZARS. III. IMPLICATIONS FOR GALAXY CLUSTERS AND THE FORMATION OF DWARF GALAXIES by PFROMMER, Christoph, CHANG, Philip, BRODERICK, Avery E

“…A subset of blazars are powerful TeV emitters, dominating the extragalactic component of the very high energy gamma-ray universe (E [> ~]100 GeV). These TeV…”
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Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87 by Doeleman, Sheperd S., Fish, Vincent L., Schenck, David E., Beaudoin, Christopher, Blundell, Ray, Bower, Geoffrey C., Broderick, Avery E., Chamberlin, Richard, Freund, Robert, Friberg, Per, Gurwell, Mark A., Ho, Paul T. P., Honma, Mareki, Inoue, Makoto, Krichbaum, Thomas P., Lamb, James, Loeb, Abraham, Lonsdale, Colin, Marrone, Daniel P., Moran, James M., Oyama, Tomoaki, Plambeck, Richard, Primiani, Rurik A., Rogers, Alan E. E., Smythe, Daniel L., SooHoo, Jason, Strittmatter, Peter, Tilanus, Remo P. J., Titus, Michael, Weintroub, Jonathan, Wright, Melvyn, Young, Ken H., Ziurys, Lucy M.

“…Approximately 10% of active galactic nuclei exhibit relativistic jets, which are powered by the accretion of matter onto supermassive black holes. Although the…”
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Importance of Resolving the Spectral Support of Beam-plasma Instabilities in Simulations by Shalaby, Mohamad, Broderick, Avery E., Chang, Philip, Pfrommer, Christoph, Lamberts, Astrid, Puchwein, Ewald

“…Many astrophysical plasmas are prone to beam-plasma instabilities. For relativistic and dilute beams, the spectral support of the beam-plasma instabilities is…”
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