Search filters

List of works by Johan De Keyser

2D photochemical model for forbidden oxygen line emission for comet 1P/Halley

scientific article published in January 2016

A Case for Electron-Astrophysics

scientific article published on 11 June 2021

A Survey of Field-Aligned Mach Number and Plasma Beta in the Solar Wind

article published in 2001

ALMA and ROSINA detections of phosphorus-bearing molecules: the interstellar thread between star-forming regions and comets

Abundant molecular oxygen in the coma of comet 67P/Churyumov-Gerasimenko.

scientific article

Acceleration of ions and nano dust at a comet in the solar wind

Analysis of plasmaspheric plumes: CLUSTER and IMAGE observations

scientific article (publication date: 3 July 2006)

Change of outgassing pattern of 67P/Churyumov–Gerasimenko during the March 2016 equinox as seen by ROSINA

scientific article published on 7 June 2017

Chlorine-bearing species and the 37Cl/35Cl isotope ratio in the coma of comet 67P/Churyumov–Gerasimenko

scientific article published on 24 June 2021

Cometary plasma science

scientific article published on 7 August 2021

Cometary science. 67P/Churyumov-Gerasimenko, a Jupiter family comet with a high D/H ratio

scientific article

Cometary science. Time variability and heterogeneity in the coma of 67P/Churyumov-Gerasimenko

scientific article published on 22 January 2015

Comparative investigation of the terrestrial and Venusian magnetopause: Kinetic modeling and experimental observations by Cluster and Venus Express

Comparison of 3D kinetic and hydrodynamic models to ROSINA-COPS measurements of the neutral coma of 67P/Churyumov-Gerasimenko

scientific article

Compensated-current instability of kinetic Alfven waves

scientific article published in January 2015

Correction to “Equilibrium conditions for the tangential discontinuity magnetopause” by J. De Keyser and M. Roth

scientific article

Cyanogen, cyanoacetylene, and acetonitrile in comet 67P and their relation to the cyano radical

scientific article

D2O and HDS in the coma of 67P/Churyumov-Gerasimenko

scientific article published on July 2017

Dawn-Dusk Asymmetries at the Terrestrial Magnetopause

scientific article published on 20 October 2017

Detection of argon in the coma of comet 67P/Churyumov-Gerasimenko

scientific article

Differential kinetic dynamics and heating of ions in the turbulent solar wind ⬇️

article published in 2016

Direct Simulation Monte Carlo modelling of the major species in the coma of comet 67P/Churyumov-Gerasimenko

scientific article

EIDOSCOPE: particle acceleration at plasma boundaries

EMC aspects of turbulence heating observer (THOR) spacecraft

scientific article

Electrostatic analyzer design for solar wind proton measurements with high temporal, energy, and angular resolutions

scientific article

Electrostatic plasma instabilities driven by neutral gas flows in the solar chromosphere

scholarly article

Elemental and molecular abundances in comet 67P/Churyumov-Gerasimenko

Equilibrium conditions for the tangential discontinuity magnetopause

scientific article

Evidence for depletion of heavy silicon isotopes at comet 67P/Churyumov-Gerasimenko

scientific article published in January 2017

Evidence for distributed gas sources of hydrogen halides in the coma of comet 67P/Churyumov–Gerasimenko

scientific article published in July 2017

Evidence of ammonium salts in comet 67P as explanation for the nitrogen depletion in cometary comae ⬇️

scholarly article

Evolution of water production of 67P/Churyumov-Gerasimenko: An empirical model and a multi-instrument study

article

Evolution of water production of 67P/Churyumov-Gerasimenko: an empirical model and A multi-instrument study

scientific article published in January 2016

First in-situ detection of the cometary ammonium ion NH$_4^{+}$ (protonated ammonia NH 3 ) in the coma of 67P/C-G near perihelion

scientific article

First in-situ detection of the cometary ammonium ion NH_4+ (protonated ammonia NH3) In the coma of 67P/C-G near perihelion

scientific article published in January 2016

Halogens as tracers of protosolar nebula material in comet 67P/Churyumov-Gerasimenko

scientific article published in January 2017

High-time resolution in-situ investigation of major cometary volatiles around 67P/C-G at 3.1 - 2.3 AU measured with ROSINA-RTOF ⬇️

scientific article published in January 2016

IMPALAS: Investigation of MagnetoPause Activity using Longitudinally-Aligned Satellites—a mission concept proposed for the ESA M3 2020/2022 launch

Impact of radiogenic heating on the formation conditions of comet 67P/Churyumov-Gerasimenko ⬇️

scientific article published in January 2017

Influence of spacecraft outgassing on the exploration of tenuous atmospheres with in situ mass spectrometry

scholarly article

Inventory of the volatiles on comet 67P/Churyumov-Gerasimenko from Rosetta/ROSINA

scientific article published in January 2015

Ion acoustic waves at comet 67P/Churyumov-Gerasimenko. Observations and computations

scientific article published in January 2017

Ion chemistry in the coma of comet 67P near perihelion

scholarly article

Krypton isotopes and noble gas abundances in the coma of comet 67P/Churyumov-Gerasimenko.

scientific article published on 4 July 2018

Links between the plasmapause and the radiation belt boundaries as observed by the instruments CIS, RAPID, and WHISPER onboard Cluster

scientific article (publication date: July 2013)

MHD-Kinetic transition in imbalanced Alfvenic turbulence ⬇️

scientific article published in January 2016

Magnetopause Thickness at the Dawn and Dusk Flanks

scientific article published on 20 October 2017

Mass spectrometric characterization of the Rosetta Spacecraft contamination

scientific article

Molecular nitrogen in comet 67P/Churyumov-Gerasimenko indicates a low formation temperature.

scientific article

Molecule-dependent oxygen isotopic ratios in the coma of comet 67P/Churyumov–Gerasimenko

scientific article

Multi-instrument observations of the solar eclipse on 20 March 2015 and its effects on the ionosphere over Belgium and Europe

article

Non-resonant Alfvenic instability activated by high temperature of ion beams in compensated-current astrophysical plasmas

scientific article published in January 2018

Nonlinear decay of Alfven waves driven by interplaying two- and three-dimensional nonlinear interactions ⬇️

scientific article published in January 2018

Nonlinear generation of kinetic-scale waves by magnetohydrodynamic Alfven waves and nonlocal spectral transport in the solar wind ⬇️

scientific article published in January 2014

Oblique Alfven instabilities driven by compensated currents ⬇️

scientific article published in January 2014

On the origin of molecular oxygen in cometary comae.

scientific article

PLANET TOPERS: Planets, Tracing the Transfer, Origin, Preservation, and Evolution of their ReservoirS.

scientific article published on 23 June 2016

Particle energization in space plasmas: towards a multi-point, multi-scale plasma observatory

Photochemistry of forbidden oxygen lines in the inner coma of 67P/Churyumov-Gerasimenko.

scientific article published on 28 January 2016

Plasma-neutral gas interactions in various space environments: Assessment beyond simplified approximations as a Voyage 2050 theme

Plasmaspheric Density Structures and Dynamics: Properties Observed by the CLUSTER and IMAGE Missions

Plasmaspheric Density Structures and Dynamics: Properties Observed by the CLUSTER and IMAGE Missions

Prebiotic chemicals-amino acid and phosphorus-in the coma of comet 67P/Churyumov-Gerasimenko

scientific article

Prestellar grain-surface origins of deuterated methanol in comet 67P/Churyumov–Gerasimenko

scientific article

Protostellar and cometary detections of organohalogens

scientific article published in January 2017

ROSINA ion zoo at Comet 67P

scientific article

ROSINA/DFMS and IES observations of 67P: Ion-neutral chemistry in the coma of a weakly outgassing comet

scientific article published in Astronomy and Astrophysics

SP4GATEWAY: a Space Plasma Physics Payload Package conceptual design for the Deep Space Gateway Lunar Orbital Platform

scientific article published on 23 March 2020

Scalar and vector nonlinear decays of low-frequency Alfven waves ⬇️

scientific article published in January 2015

Scales of heliospheric current sheet coherence between 1 and 5 AU

scientific article

Seasonal variations and north–south asymmetries in polar wind outflow due to solar illumination

Self-consistent electrostatic simulations of reforming double layers in the downward current region of the aurora

Solar Illumination Control of the Polar Wind

Solar illumination control of ionospheric outflow above polar cap arcs

scholarly article

Solar wind sputtering of dust on the surface of 67P/Churyumov-Gerasimenko

scientific article

Solar wind velocity jumps across tangential discontinuities: Ulysses observations and kinetic interpretation

scientific article

Spatial gradients in the plasmasphere from Cluster

scholarly article

Structural analysis of periodic surface waves on the magnetospheric boundary

scientific article published in 2003

The heterogeneous coma of comet 67P/Churyumov-Gerasimenko as seen by ROSINA: H_2_O, CO_2_, and CO from September 2014 to February 2016

scientific article published in January 2017

Three-dimensional direct simulation Monte-Carlo modeling of the coma of comet 67P/Churyumov-Gerasimenko observed by the VIRTIS and ROSINA instruments on board Rosetta

scientific article published in Astronomy and Astrophysics

Turbulence Heating ObserveR – satellite mission proposal

Turbulent spectra and spectral kinks in the transition range from MHD to kinetic Alfvén turbulence

scientific article published on 13 September 2011

Vlasov simulations of trapping and loss of auroral electrons

Volatiles in the H2O and CO2 ices of comet 67P/Churyumov–Gerasimenko

scientific article published on 5 October 2023

Why an intrinsic magnetic field does not protect a planet against atmospheric escape

scientific article published in Astronomy and Astrophysics

Xenon isotopes in 67P/Churyumov-Gerasimenko show that comets contributed to Earth's atmosphere.

scientific article published in June 2017

Paulina is supported by:

About Paulina

Help