Search Results - "Cunningham, Andrew J."
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The effects of magnetic fields and protostellar feedback on low-mass cluster formation
Published in Monthly notices of the Royal Astronomical Society (01-05-2018)“…Abstract We present a large suite of simulations of the formation of low-mass star clusters. Our simulations include an extensive set of physical processes –…”
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Determining Star Formation Thresholds from Observations
Published in Monthly notices of the Royal Astronomical Society (03-07-2019)“…Abstract Most gas in giant molecular clouds is relatively low-density and forms star inefficiently, converting only a small fraction of its mass to stars per…”
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3
Radiation Feedback, Fragmentation, and the Environmental Dependence of the Initial Mass Function
Published in The Astrophysical journal (20-04-2010)“…The fragmentation of star-forming interstellar clouds, and the resulting stellar initial mass function (IMF), is strongly affected by the temperature structure…”
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Post-conflict contexts and humanitarian organizations: the changing relationship with states
Published in Journal of international humanitarian action (01-12-2017)“…The operational environments for humanitarian international non-governmental organizations (INGOs) are conflict zones and situations of natural and man-made…”
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5
Primate communication in the pure ultrasound
Published in Biology letters (2005) (23-08-2012)“…Few mammals—cetaceans, domestic cats and select bats and rodents—can send and receive vocal signals contained within the ultrasonic domain, or pure ultrasound…”
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The turbulent origin of spin–orbit misalignment in planetary systems
Published in Monthly notices of the Royal Astronomical Society (01-07-2015)“…The turbulent environment from which stars form may lead to misalignment between the stellar spin and the remnant protoplanetary disc. By using hydrodynamic…”
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THE FRAGMENTATION OF MAGNETIZED, MASSIVE STAR-FORMING CORES WITH RADIATIVE FEEDBACK
Published in The Astrophysical journal (01-04-2013)“…We present a set of three-dimensional, radiation-magnetohydrodynamic calculations of the gravitational collapse of massive (300 M sub([middot in circle])),…”
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Radiation-hydrodynamic Simulations of Massive Star Formation with Protostellar Outflows
Published in The Astrophysical journal (20-10-2011)“…We report the results of a series of adaptive mesh refinement radiation-hydrodynamic simulations of the collapse of massive star-forming clouds using the ORION…”
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Formation of Massive Star Systems by Accretion
Published in Science (American Association for the Advancement of Science) (06-02-2009)“…Massive stars produce so much light that the radiation pressure they exert on the gas and dust around them is stronger than their gravitational attraction, a…”
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Self-convergence of Radiatively Cooling Clumps in the Interstellar Medium
Published in The Astrophysical journal (10-10-2010)“…Isolated regions of higher density populate the interstellar medium (ISM) on all scales-from molecular clouds, to the star-forming regions known as cores, to…”
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11
BONDI-HOYLE ACCRETION IN AN ISOTHERMAL MAGNETIZED PLASMA
Published in The Astrophysical journal (01-03-2014)“…In regions of star formation, protostars and newborn stars will accrete mass from their natal clouds. These clouds are threaded by magnetic fields with a…”
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12
Social drive and the evolution of primate hearing
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (05-07-2012)“…The structure and function of primate communication have attracted much attention, and vocal signals, in particular, have been studied in detail. As a general…”
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13
Kidnapping and the limits of acceptance
Published in Journal of international humanitarian action (01-12-2017)“…For many humanitarian agencies, acceptance—gaining the trust and protection of local communities—is the preferred security management tool for reasons of…”
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14
RADIATIVELY EFFICIENT MAGNETIZED BONDI ACCRETION
Published in The Astrophysical journal (10-01-2012)“…We have carried out a numerical study of the effect of large-scale magnetic fields on the rate of accretion from a uniform, isothermal gas onto a resistive,…”
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THE EVOLUTION OF HETERGENEOUS CLUMPY JETS: A PARAMETER STUDY
Published in The Astrophysical journal (20-02-2012)“…We investigate the role discrete clumps embedded in an astrophysical jet play on the jet's morphology and line emission characteristics. By varying clumps'…”
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Protostellar Outflow Evolution in Turbulent Environments
Published in The Astrophysical journal (10-02-2009)“…The link between turbulence in star-forming environments and protostellar jets remains controversial. To explore issues of turbulence and fossil cavities…”
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17
Proto-Planetary Nebulae as Explosions: Bullets versus Jets and Nebular Shaping
Published in The Astrophysical journal (01-06-2008)“…Many proto-planetary nebulae (PPNs) appear as narrow collimated structures sometimes showing multiple, roughly aligned lobes. In addition, many PPN flows have…”
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Hypersonic Buckshot: Astrophysical Jets as Heterogeneous Collimated Plasmoids
Published in The Astrophysical journal (20-04-2009)“…Herbig-Haro jets are commonly thought of as homogeneous beams of plasma traveling at hypersonic velocities. Structure within jet beams is often attributed to…”
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Outflow-Driven Turbulence in Molecular Clouds
Published in The Astrophysical journal (20-04-2009)“…In this paper, we explore the relationship between protostellar outflows and turbulence in molecular clouds. Using three-dimensional numerical simulations we…”
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20
Bondi–Hoyle accretion in a turbulent, magnetized medium
Published in Monthly notices of the Royal Astronomical Society (11-06-2017)Get full text
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