Search Results - "COATES, Andrew J"
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Connecting the dots in magnetic reconnection
Published in Science (American Association for the Advancement of Science) (03-06-2016)“…Four formation-flying spacecraft reveal the 3D electron physics of magnetic reconnection That plasmas don't mix well is a key aspect of this magnetized, highly…”
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Aerosol growth in Titan’s ionosphere
Published in Proceedings of the National Academy of Sciences - PNAS (19-02-2013)“…Photochemically produced aerosols are common among the atmospheres of our solar system and beyond. Observations and models have shown that photochemical…”
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A transient enhancement of Mercury’s exosphere at extremely high altitudes inferred from pickup ions
Published in Nature communications (29-09-2020)“…Mercury has a global dayside exosphere, with measured densities of 10 −2 cm −3 at ~1500 km. Here we report on the inferred enhancement of neutral densities…”
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Flux transfer event observation at Saturn's dayside magnetopause by the Cassini spacecraft
Published in Geophysical research letters (16-07-2016)“…We present the first observation of a flux rope at Saturn's dayside magnetopause. This is an important result because it shows that the Saturnian magnetopause…”
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Interaction of Titan's ionosphere with Saturn's magnetosphere
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (28-02-2009)“…Titan is the only Moon in the Solar System with a significant permanent atmosphere. Within this nitrogen–methane atmosphere, an ionosphere forms. Titan has no…”
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Constraints on a potential aerial biosphere on Venus: I. Cosmic rays
Published in Icarus (New York, N.Y. 1962) (01-09-2015)“…The habitable zone high in the atmosphere of Venus, defined here by the combination of high temperature and acidity, lies between 51 and 62km altitude and…”
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The impact of an ICME on the Jovian X‐ray aurora
Published in Journal of geophysical research. Space physics (01-03-2016)“…We report the first Jupiter X‐ray observations planned to coincide with an interplanetary coronal mass ejection (ICME). At the predicted ICME arrival time, we…”
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Sources of rotational signals in Saturn's magnetosphere
Published in Journal of Geophysical Research - Space Physics (01-02-2009)“…Saturn's internal magnetic field is exceptionally symmetric about its rotation axis. Yet local and remotely sensed observations of field and plasma in Saturn's…”
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Comparisons between MHD model calculations and observations of Cassini flybys of Titan
Published in Journal of Geophysical Research - Space Physics (01-05-2006)“…The Cassini spacecraft passed by Titan on 26 October 2004 (Ta flyby) and 13 December 2004 (Tb flyby). In both cases the Cassini Orbiter entered Titan's…”
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What characterizes planetary space weather?
Published in The Astronomy and astrophysics review (01-10-2014)“…Space weather has become a mature discipline for the Earth space environment. With increasing efforts in space exploration, it is becoming more and more…”
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3D global multi-species Hall-MHD simulation of the Cassini T9 flyby
Published in Geophysical research letters (01-12-2007)“…The wake region of Titan is an important component of Titan's interaction with its surrounding plasma and therefore a thorough understanding of its formation…”
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Flux Transfer Events at a Reconnection‐Suppressed Magnetopause: Cassini Observations at Saturn
Published in Journal of geophysical research. Space physics (01-02-2021)“…We present the discovery of seven new flux transfer events (FTEs) at Saturn's dayside magnetopause by the Cassini spacecraft and analyze the observations of…”
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Saturn's Open‐Closed Field Line Boundary: A Cassini Electron Survey at Saturn's Magnetosphere
Published in Journal of geophysical research. Space physics (01-12-2019)“…We investigate the average configuration and structure of Saturn's magnetosphere in the nightside equatorial and high‐latitude regions. Electron data from the…”
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Resolving Space Plasma Species With Electrostatic Analyzers
Published in Frontiers in astronomy and space sciences (08-06-2022)“…Electrostatic analyzers resolve the energy-per-charge distributions of charged plasma particles. Some space plasma instruments use electrostatic analyzers…”
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The Electric Wind of Venus: A Global and Persistent Polar Wind -Like Ambipolar Electric Field Sufficient for the Direct Escape of Heavy Ionospheric Ions
Published in Geophysical research letters (28-06-2016)“…Understanding what processes govern atmospheric escape and the loss of planetary water is of paramount importance for understanding how life in the universe…”
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Diamagnetic depression observations at Saturn's magnetospheric cusp by the Cassini spacecraft
Published in Journal of geophysical research. Space physics (01-06-2017)“…The magnetospheric cusp is a region where shocked solar wind plasma can enter a planetary magnetosphere, after magnetic reconnection has occurred at the…”
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A new upper limit to the field-aligned potential near Titan
Published in Geophysical research letters (28-06-2015)“…Neutral particles dominate regions of the Saturn magnetosphere and locations near several of Saturn's moons. Sunlight ionizes neutrals, producing…”
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Io's Tortured Interior
Published in Science (American Association for the Advancement of Science) (03-06-2011)“…Magnetic measurements made by the Galileo spacecraft reveal an ocean of magma under Io's frozen surface. Jupiter's moon Io is the most volcanic object in the…”
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Cassini plasma observations of Saturn's magnetospheric cusp
Published in Journal of geophysical research. Space physics (01-12-2016)“…The magnetospheric cusp is a funnel‐shaped region where shocked solar wind plasma is able to enter the high‐latitude magnetosphere via the process of magnetic…”
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Effects of the 2007 Martian Global Dust Storm on Boundary Positions in the Induced Magnetosphere
Published in The planetary science journal (05-06-2024)“…Mars's magnetosphere is a sensitive system, varying due to external and internal factors, such as solar wind conditions and crustal magnetic fields. A…”
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