Search Results - "McKinney, C"

Efficient generation of jets from magnetically arrested accretion on a rapidly spinning black hole by Tchekhovskoy, Alexander, Narayan, Ramesh, McKinney, Jonathan C.

“…ABSTRACT We describe global, 3D, time‐dependent, non‐radiative, general‐relativistic, magnetohydrodynamic simulations of accreting black holes (BHs). The…”
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General relativistic magnetohydrodynamic simulations of magnetically choked accretion flows around black holes by McKinney, Jonathan C., Tchekhovskoy, Alexander, Blandford, Roger D.

“…Black hole (BH) accretion flows and jets are qualitatively affected by the presence of ordered magnetic fields. We study fully 3D global general relativistic…”
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Numerical simulations of super-critical black hole accretion flows in general relativity by S dowski, Aleksander, Narayan, Ramesh, McKinney, Jonathan C., Tchekhovskoy, Alexander

“…A new general relativistic radiation magnetohydrodynamical code koral is described, which employs the M1 scheme to close the radiation moment equations. The…”
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Black Hole Spin and The Radio Loud/Quiet Dichotomy of Active Galactic Nuclei by Tchekhovskoy, Alexander, Narayan, Ramesh, McKinney, Jonathan C

“…Radio loud active galactic nuclei (AGNs) are on average 1000 times brighter in the radio band compared to radio quiet AGNs. We investigate whether this radio…”
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A reconnection switch to trigger gamma-ray burst jet dissipation by McKinney, Jonathan C., Uzdensky, Dmitri A.

“…Prompt gamma-ray burst (GRB) emission requires some mechanism to dissipate an ultrarelativistic jet. Internal shocks or some form of electromagnetic…”
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Radiative, two-temperature simulations of low-luminosity black hole accretion flows in general relativity by Sądowski, Aleksander, Wielgus, Maciek, Narayan, Ramesh, Abarca, David, McKinney, Jonathan C., Chael, Andrew

“…Abstract We present a numerical method that evolves a two-temperature, magnetized, radiative, accretion flow around a black hole, within the framework of…”
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The size of the jet launching region in M87 by Dexter, Jason, McKinney, Jonathan C., Agol, Eric

“…The supermassive black hole candidate at the centre of M87 drives an ultra-relativistic jet visible on kiloparsec scales, and its large mass and relative…”
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Stability of relativistic jets from rotating, accreting black holes via fully three-dimensional magnetohydrodynamic simulations by McKinney, Jonathan C., Blandford, Roger D.

“…Rotating magnetized compact objects and their accretion discs can generate strong toroidal magnetic fields driving highly magnetized plasmas into relativistic…”
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Changes in chromatin accessibility between Arabidopsis stem cells and mesophyll cells illuminate cell type‐specific transcription factor networks by Sijacic, Paja, Bajic, Marko, McKinney, Elizabeth C., Meagher, Richard B., Deal, Roger B.

“…Summary Cell differentiation is driven by changes in the activity of transcription factors (TFs) and subsequent alterations in transcription. To study this…”
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General relativistic magnetohydrodynamic simulations of the jet formation and large-scale propagation from black hole accretion systems by McKinney, Jonathan C.

“…The formation and large-scale propagation of Poynting-dominated jets produced by accreting, rapidly rotating black hole systems are studied by numerically…”
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Simulations of ultrarelativistic magnetodynamic jets from gamma-ray burst engines by Tchekhovskoy, Alexander, McKinney, Jonathan C., Narayan, Ramesh

“…Long-duration gamma-ray bursts (GRBs) require an engine capable of driving a jet of plasma to ultrarelativistic bulk Lorentz factors of up to several hundred…”
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A new remote hazard and risk assessment framework for glacial lakes in the Nepal Himalaya by Rounce, David R, McKinney, Daene C, Lala, Jonathan M, Byers, Alton C, Watson, C. Scott

“…Glacial lake outburst floods (GLOFs) pose a significant threat to downstream communities and infrastructure due to their potential to rapidly unleash stored…”
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An institutional analysis of graduate outcomes reveals a contemporary workforce footprint for biomedical master's degrees by Hart, Jack, McKinney, Caleb C

“…There is continued growth in the number of master's degrees awarded in the life sciences to address the evolving needs of the biomedical workforce. Academic…”
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rRNA transcription is integral to phase separation and maintenance of nucleolar structure by Dash, Soma, Lamb, Maureen C, Lange, Jeffrey J, McKinney, Mary C, Tsuchiya, Dai, Guo, Fengli, Zhao, Xia, Corbin, Timothy J, Kirkman, MaryEllen, Delventhal, Kym, Moore, Emma L, McKinney, Sean, Shiang, Rita, Trainor, Paul A

“…Transcription of ribosomal RNA (rRNA) by RNA Polymerase (Pol) I in the nucleolus is necessary for ribosome biogenesis, which is intimately tied to cell growth…”
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A Measurement of the Electromagnetic Luminosity of a Kerr Black Hole by McKinney, Jonathan C, Gammie, Charles F

“…Some active galactic nuclei, microquasars, and gamma-ray bursts may be powered by the electromagnetic braking of a rapidly rotating black hole. We investigate…”
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Total and Jet Blandford-Znajek Power in the Presence of an Accretion Disk by McKinney, Jonathan C

“…Rotating black holes probably power ultrarelativistic jets in gamma-ray bursts, relativistic jets from some active galactic nuclei, and jets from some black…”
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Equation of state in relativistic magnetohydrodynamics: variable versus constant adiabatic index by Mignone, A., McKinney, Jonathan C.

“…The role of the equation of state (EoS) for a perfectly conducting, relativistic magnetized fluid is the main subject of this work. The ideal constant Γ-law…”
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PATOKA: Simulating Electromagnetic Observables of Black Hole Accretion by Wong, George N., Prather, Ben S., Dhruv, Vedant, Ryan, Benjamin R., Mościbrodzka, Monika, Chan, Chi-kwan, Joshi, Abhishek V., Yarza, Ricardo, Ricarte, Angelo, Shiokawa, Hotaka, Dolence, Joshua C., Noble, Scott C., McKinney, Jonathan C., Gammie, Charles F.

“…The Event Horizon Telescope (EHT) has released analyses of reconstructed images of horizon-scale millimeter emission near the supermassive black hole at the…”
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General relativistic force-free electrodynamics: a new code and applications to black hole magnetospheres by McKinney, Jonathan C.

“…The force-free limit of magnetohydrodynamics (MHD) is often a reasonable approximation to model black hole and neutron star magnetospheres. We describe a…”
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Prograde and retrograde black holes: whose jet is more powerful? by Tchekhovskoy, Alexander, McKinney, Jonathan C.

“…ABSTRACT The outflow efficiency (η) from black hole (BH) accretion disc systems is known to depend upon both the BH spin (a) and the amount of large-scale…”
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