Search Results - "Garofalo, David"

Counter-rotating black holes from FRII lifetimes by Garofalo, David

“…Estimates suggest that while FRII jets appear to have lifetimes constrained to hundreds of millions of years, radio galaxies with FRI jets appear to be longer…”
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Advanced Life Peaked Billions of Years Ago According to Black Holes by Garofalo, David

“…The link between black holes and star formation allows for us to draw a connection between black holes and the places and times when extraterrestrial…”
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The Origin and Evolution of Giant Radio Galaxies by Garofalo, David

“…Giant radio galaxies are arguably the least understood of jetted active galactic nuclei (AGN). We propose that radio galaxies are the product of large mergers…”
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Retrograde versus Prograde Models of Accreting Black Holes by Garofalo, David

“…There is a general consensus that magnetic fields, accretion disks, and rotating black holes are instrumental in the generation of the most powerful sources of…”
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The distribution and lifetime of powerful radio galaxies as a function of environment and redshift by Garofalo, David, Singh, Chandra B., Zack, Alexa

“…Correlations between jet power and active time for z < 0.1 high excitation and low excitation radio galaxies are explored as well as evidence in favor of a…”
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A Magnetohydrodynamic Model of the M87 Jet. I. Superluminal Knot Ejections from HST-1 as Trails of Quad Relativistic MHD Shocks by Nakamura, Masanori, Garofalo, David, Meier, David L

“…This is the first in a series of papers that introduces a new paradigm for understanding the jet in M87: a collimated relativistic flow in which strong…”
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Powerful Jets from Radiatively Efficient Disks, a Decades-Old Unresolved Problem in High Energy Astrophysics by Singh, Chandra, Garofalo, David, Lang, Benjamin

“…The discovery of 3C 273 in 1963, and the emergence of the Kerr solution shortly thereafter, precipitated the current era in astrophysics focused on using black…”
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Characteristics of Powerful Radio Galaxies by Singh, Chandra B., Williams, Michael, Garofalo, David, Rojas Castillo, Luis, Taylor, Landon, Harmon, Eddie

“…Mature radio galaxies such as M87 belong to a specific subclass of active galaxies (AGN) whose evolution in time endows them with five distinguishing…”
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The Sub-Eddington Boundary for the Quasar Mass–Luminosity Plane: A Theoretical Perspective by Garofalo, David, Christian, Damian J., Jones, Andrew M.

“…By exploring more than sixty thousand quasars from the Sloan Digital Sky Survey Data Release 5, Steinhardt & Elvis discovered a sub-Eddington boundary and a…”
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M-σ relations across space and time by Garofalo, David, Christian, Damian J., Hames, Chase, North, Max, Thottam, Keegan, Nazaroff, Samuel, Eckelbarger, Alisaie

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Clinical benefit of treatment with eribulin mesylate for metastatic triple‐negative breast cancer: Long‐term outcomes of patients treated in the US community oncology setting by Mougalian, Sarah S., Copher, Ronda, Kish, Jonathan K., McAllister, Lindsay, Wang, Zhixiao, Broscious, Mary, Garofalo, David, Radtchenko, Janna, Feinberg, Bruce A.

“…Introduction Real‐world data are critical to demonstrate the consistency of evidence and external generalizability of randomized controlled trials (RCTs). This…”
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Merger signatures in low excitation radio galaxies by Garofalo, David

“…ABSTRACT While no consensus governs our understanding of the origin of low-redshift radio galaxies, the possibility that mergers may trigger accretion from hot…”
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The Distribution of Radio Quiet Active Galactic Nuclei in the Star Formation Rate-stellar Mass Plane by Garofalo, David, Mountrichas, George

“…Abstract That active galactic nuclei (AGN) with jets can alternately enhance as well as suppress star formation rates, explains the location and slope of radio…”
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Spin of the M87 Black Hole by Garofalo, David

“…Spin measurement of the 6.5 billion solar mass black hole in M87 from the Event Horizon Telescope image is the latest in a series that span a wide range in…”
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The Spin Dependence of the Blandford-Znajek Effect by Garofalo, David

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Peculiar Black Hole Accretion Rates in AGN with Highest Star Formation Rates in the Universe by Garofalo, David, Pouliasis, Ektoras

“…Abstract Pouliasis et al. explored star formation rates, black hole accretion rates, and stellar mass of active galaxies at redshift above 3.5, uncovering a…”
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Evidence for Radio Loud to Radio Quiet Evolution from Red and Blue Quasars by Garofalo, David, Bishop, Katie

“…Recent work on red and blue quasi-stellar objects (QSOs) has identified peculiar number distributions as a function of radio-loudness that we explore and…”
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Magnetic fields threading black holes: restrictions from general relativity and implications for astrophysical black holes by Garofalo, David

“…The idea that black hole spin is instrumental in the generation of powerful jets in active galactic nuclei and X-ray binaries is arguably the most contentious…”
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The jet-disc connection: evidence for a reinterpretation in radio loud and radio quiet active galactic nuclei by Garofalo, David

“…To constrain models of the jet-disc connection, we explore Eddington ratios reported in Foschini (2011) and interpret them in relation to the values in Sikora…”
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FR0 Radio Galaxies and Their Place in the Radio Morphology Classification by Garofalo, David, Singh, Chandra B.

“…So-called FR0 radio galaxies have recently emerged as a family of active galaxies with all the same properties as FRI radio galaxies except for their ratio of…”
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