Search Results - "Motschmann, U."
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Dynamical features and spatial structures of the plasma interaction region of 67P/Churyumov–Gerasimenko and the solar wind
Published in Planetary and space science (01-01-2015)“…In the advent of the Rosetta arrival at the comet 67P/Churyumov–Gerasimenko, we present a global 3D hybrid simulation model of the cometary plasma interaction…”
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The Cluster Virtual Observatory for ULF Waves
Published in Journal of geophysical research. Space physics (01-09-2023)“…Since its launch in 2000, the Cluster fleet visited a vast domain of the circum‐terrestrial environment, from the upstream solar wind and the distant tail,…”
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Dispersion relation analysis of solar wind turbulence
Published in Geophysical research letters (16-03-2011)“…Frequency versus wave number diagram of turbulent magnetic fluctuations in the solar wind was determined for the first time in the wide range over three…”
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Coronal mass ejection hits mercury: A.I.K.E.F. hybrid-code results compared to MESSENGER data
Published in Planetary and space science (01-04-2018)“…Mercury is the closest orbiting planet around the sun and is therefore embedded in an intensive and highly varying solar wind. In-situ data from the MESSENGER…”
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Atmospheric erosion and replenishment induced by impacts upon the Earth and Mars during a heavy bombardment
Published in Icarus (New York, N.Y. 1962) (01-11-2012)“…► Monte Carlo simulation for atmospheric consequences of a (late) heavy bombardment. ► Probability distribution of impact velocities for Earth and Mars from…”
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The Mie representation for Mercury’s magnetic field
Published in Earth, planets, and space (08-03-2021)“…The parameterization of the magnetospheric field contribution, generated by currents flowing in the magnetosphere is of major importance for the analysis of…”
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The BepiColombo Planetary Magnetometer MPO-MAG: What Can We Learn from the Hermean Magnetic Field?
Published in Space science reviews (01-06-2021)“…The magnetometer instrument MPO-MAG on-board the Mercury Planetary Orbiter (MPO) of the BepiColombo mission en-route to Mercury is introduced, with its…”
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The Mie representation for Mercury’s magnetospheric currents
Published in Earth, planets, and space (09-11-2021)“…Poloidal–toroidal magnetic field decomposition is a useful application of the Mie representation and the decomposition method enables us to determine the…”
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Observation of a new type of low-frequency waves at comet 67P/Churyumov-Gerasimenko
Published in Annales geophysicae (1988) (19-08-2015)“…We report on magnetic field measurements made in the innermost coma of 67P/Churyumov-Gerasimenko in its low-activity state. Quasi-coherent, large-amplitude (δ…”
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Observational Test for a Random Sweeping Model in Solar Wind Turbulence
Published in Physical review letters (25-03-2016)“…Evidence of frequency broadening at ion kinetic scales due to large-scale eddies and waves is found in solar wind turbulence by a test for a random sweeping…”
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Plasma environment of a weak comet – Predictions for Comet 67P/Churyumov–Gerasimenko from multifluid-MHD and Hybrid models
Published in Icarus (New York, N.Y. 1962) (01-11-2014)“…•We compare multifluid MHD and Hybrid models of the solar wind interaction with a weak comet.•The multifluid MHD results show a distinct improvement over…”
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Error Propagation of Capon’s Minimum Variance Estimator
Published in Frontiers in physics (09-06-2021)“…The error propagation of Capon’s minimum variance estimator resulting from measurement errors and position errors is derived within a linear approximation. It…”
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The BepiColombo–Mio Magnetometer en Route to Mercury
Published in Space science reviews (01-12-2020)“…The fluxgate magnetometer MGF on board the Mio spacecraft of the BepiColombo mission is introduced with its science targets, instrument design, calibration…”
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14
Dispersion relation analysis of turbulent magnetic field fluctuations in fast solar wind
Published in Annales geophysicae (1988) (15-11-2013)“…Physical processes of the energy transport in solar wind turbulence are a subject of intense studies, and different ideas exist to explain them. This…”
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15
Critical pitch angle for electron acceleration in a collisionless shock layer
Published in Annales geophysicae (1988) (12-07-2016)“…Collisionless shock waves in space and astrophysical plasmas can accelerate electrons along the shock layer by an electrostatic potential, and scatter or…”
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Wavevector anisotropy of plasma turbulence at ion kinetic scales: solar wind observations and hybrid simulations
Published in Nonlinear processes in geophysics (11-11-2014)“…Wavevector anisotropy of ion-scale plasma turbulence is studied at various values of ion beta. Two complementary methods are used. One is multi-point…”
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Adaptation of the de Hoffmann–Teller frame for quasi-perpendicular collisionless shocks
Published in Annales geophysicae (1988) (17-03-2015)“…The concept of the de Hoffmann–Teller frame is revisited for a high Mach-number quasi-perpendicular collisionless shock wave. Particle-in-cell simulation shows…”
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A 3D hybrid simulation study of the electromagnetic field distributions in the lunar wake
Published in Icarus (New York, N.Y. 1962) (01-12-2011)“…► We use a 3D hybrid code to study the electromagnetic distributions in the lunar wake. ► The near-vacuum wake region will produce enhancement of magnetic…”
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Magnetic field investigation of the Venus plasma environment: Expected new results from Venus Express
Published in Planetary and space science (01-11-2006)“…The Venus Express mission is scheduled for launch in 2005. Among many other instruments, it carries a magnetometer to investigate the Venus plasma environment…”
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Ion Bernstein waves in the magnetic reconnection region
Published in Annales geophysicae (1988) (21-01-2016)“…Four-dimensional energy spectra and a diagram for dispersion relations are determined for the first time in a magnetic reconnection region in the magnetotail…”
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