Search Results - "Greathouse, T"
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Jupiter’s interior and deep atmosphere: The initial pole-to-pole passes with the Juno spacecraft
Published in Science (American Association for the Advancement of Science) (26-05-2017)“…On 27 August 2016, the Juno spacecraft acquired science observations of Jupiter, passing less than 5000 kilometers above the equatorial cloud tops. Images of…”
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Evidence for Non‐Monotonic and Broadband Electron Distributions in the Europa Footprint Tail Revealed by Juno In Situ Measurements
Published in Geophysical research letters (28-06-2023)“…We characterize the precipitating electrons accelerated in the Europa‐magnetosphere interaction by analyzing in situ measurements and remote sensing…”
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Mid-infrared mapping of Jupiter’s temperatures, aerosol opacity and chemical distributions with IRTF/TEXES
Published in Icarus (New York, N.Y. 1962) (01-11-2016)“…•Global spectral maps of Jupiter’ s 5–20 µm thermal emission are provided by IRTF/TEXES.•Quality of retrieved maps of temperature, composition and aerosols…”
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Juno observations of spot structures and a split tail in Io-induced aurorae on Jupiter
Published in Science (American Association for the Advancement of Science) (24-08-2018)“…Jupiter's aurorae are produced in its upper atmosphere when incoming high-energy electrons precipitate along the planet's magnetic field lines. A northern and…”
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Energy Flux and Characteristic Energy of Electrons Over Jupiter's Main Auroral Emission
Published in Journal of geophysical research. Space physics (01-04-2020)“…Jupiter's ultraviolet (UV) aurorae, the most powerful and intense in the solar system, are caused by energetic electrons precipitating from the magnetosphere…”
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Juno's Multi‐Instruments Observations During the Flybys of Auroral Bright Spots in Jupiter's Polar Aurorae
Published in Journal of geophysical research. Space physics (01-08-2023)“…Juno's arrival at Jupiter in 2016 revealed unprecedented details about Jupiter's ultraviolet aurorae thanks to its unique suite of remote sensing and in situ…”
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Alfvénic Acceleration Sustains Ganymede's Footprint Tail Aurora
Published in Geophysical research letters (16-02-2020)“…Integrating simultaneous in situ measurements of magnetic field fluctuations, precipitating electrons, and ultraviolet auroral emissions, we find that Alfvénic…”
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First Report of Electron Measurements During a Europa Footprint Tail Crossing by Juno
Published in Geophysical research letters (28-09-2020)“…We report the first in situ observations of electron measurements at a Europa footprint tail (FPT) crossing in the auroral region. During its 12th science…”
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Spatial Distribution of the Pedersen Conductance in the Jovian Aurora From Juno‐UVS Spectral Images
Published in Journal of geophysical research. Space physics (01-08-2020)“…Ionospheric conductivity perpendicular to the magnetic field plays a crucial role in the electrical coupling between planetary magnetospheres and ionospheres…”
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Morphology of the UV aurorae Jupiter during Juno's first perijove observations
Published in Geophysical research letters (28-05-2017)“…On 27 August 2016, the NASA Juno spacecraft performed its first close‐up observations of Jupiter during its perijove. Here we present the UV images and color…”
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Bar Code Events in the Juno-UVS Data: Signature ~10 MeV Electron Microbursts at Jupiter
Published in Geophysical research letters (28-11-2018)“…One of the most intriguing discoveries of Juno is the quasi-systematic detection of upgoing electrons above the auroral regions. Here we discuss a by-product…”
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Comparing Electron Energetics and UV Brightness in Jupiter's Northern Polar Region During Juno Perijove 5
Published in Geophysical research letters (16-01-2019)“…We compare electron and UV observations mapping to the same location in Jupiter's northern polar region, poleward of the main aurora, during Juno perijove 5…”
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UVS Observations of Ganymede's Aurora During Juno Orbits 34 and 35
Published in Geophysical research letters (16-12-2022)“…On 7 June 2021, Juno‐UVS mapped Ganymede's auroral emissions near a closest approach altitude of 1,046 km. The high spatial resolution map exhibits bright,…”
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Contemporaneous Observations of Jovian Energetic Auroral Electrons and Ultraviolet Emissions by the Juno Spacecraft
Published in Journal of geophysical research. Space physics (01-11-2019)“…We present comparisons of precipitating electron flux and auroral brightness measurements made during several Juno transits over Jupiter's auroral regions in…”
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A Comprehensive Set of Juno In Situ and Remote Sensing Observations of the Ganymede Auroral Footprint
Published in Geophysical research letters (16-04-2022)“…Jupiter's satellite auroral footprints are a manifestation of the satellite‐magnetosphere interaction of the Galilean moons. Juno's polar elliptical orbit…”
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Energetic Charged Particle Observations During Juno's Close Flyby of Ganymede
Published in Geophysical research letters (16-12-2022)“…On 7 June 2021, NASA's Juno mission obtained unique measurements of Ganymede's magnetosphere during a close flyby that brought the spacecraft within ∼1,000 km…”
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Auroral Field‐Aligned Current Signatures in Jupiter's Magnetosphere: Juno Magnetic Field Observations and Physical Modeling
Published in Journal of geophysical research. Space physics (01-12-2022)“…We analyze magnetic data obtained during northern high‐altitude traversals of Jovian middle magnetosphere (MM) field lines during the first 10 inbound…”
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Jovian Injections Observed at High Latitude
Published in Geophysical research letters (28-08-2019)“…The polar orbit of Juno at Jupiter provides a unique opportunity to observe high‐latitude energetic particle injections. We measure energy‐dispersed impulsive…”
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Juno‐UVS Observation of the Io Footprint During Solar Eclipse
Published in Journal of geophysical research. Space physics (01-07-2019)“…The two main ultraviolet‐signatures resulting from the Io‐magnetosphere interaction are the local auroras on Io's atmosphere, and the Io footprints on Jupiter…”
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Jupiter's Aurora Observed With HST During Juno Orbits 3 to 7
Published in Journal of geophysical research. Space physics (01-05-2018)“…A large set of observations of Jupiter's ultraviolet aurora was collected with the Hubble Space Telescope concurrently with the NASA‐Juno mission, during an…”
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