KMap
Professor Yelle studies the atmospheres in our solar system and the atmospheres of extra-solar planets. He analyzes telescopic and spacecraft data and constructs theories and models to determine the composition and structure of atmospheres and their interaction with surfaces and interplanetary space. Current projects include the study of chemical, thermal and dynamical processes in Titan’s upper atmosphere using primarily data from the Cassini mission to the Saturn system, escape processes on Titan, Mars, and extra-solar planets, and the composition and chemistry of the martian atmosphere. Yelle is a member of the Cassini Ion Neutral Mass Spectrometer Team and a co-I on the planned Maven mission to study the upper atmosphere of Mars.
Courses
  • TSP
    The Science and Politics of Global Warming

  • PC
    Planetary Climate

  • TUH
    The Universe and Humanity: Origin and Destiny

  • OGA
    Our Golden Age of Planetary Exploration

  • CSS
    Chemistry of the Solar System

  • PSS
    Physics of the Solar System

  • ARS
    Atmospheres and Remote Sensing

Student Thesis/Dissertation
  • Modelling Electrodynamics in Saturn's Upper Atmosphere

    2021

    doctoral
  • Carbon Photochemistry and Escape in the Present-Day Martian Atmosphere

    2021

    doctoral
  • Martian Upper Atmospheric Thermal Structure, Composition, and Water and their Significance for Atmospheric Escape and Evolution

    2021

    doctoral
Grants
  • Funding agency logo
    Atmospheric Structure and Escape on Pluto

    Co-Investigator (COI)

    2018

    $244.9K
    Active
  • Funding agency logo
    MAVEN Extended Phase E Mission

    Principal Investigator (PI)

    2011

    $2.4M
    Active
  • Funding agency logo
    Anisotropic Magnetohydrodynamics and Resistive Heating in Saturn's Ionosphere (Student: Jess Vriesema)

    Principal Investigator (PI)

    2016

    $120.0K
  • Funding agency logo
    Saturn UV Airglow

    Principal Investigator (PI)

    2015

    $338.3K
  • Funding agency logo
    Physical Studies of Extra-Solar Planet Upper Atmospheres

    Principal Investigator (PI)

    2012

    $456.8K
  • Funding agency logo
    Investigations of Titan's Agnostosphere

    Principal Investigator (PI)

    2011

    $339.1K
  • Funding agency logo
    Cassini INMS Solstice Mission

    Principal Investigator (PI)

    2010

    $713.5K
  • Funding agency logo
    Titan Atmosphere Models Working Group (TAMWG)-Cassini-Solstice

    Principal Investigator (PI)

    2010

    $351.0K
  • Funding agency logo
    THE DISTRIBUTION OF O2 ON MARS FROM SPICAM OCCULATIONS

    Principal Investigator (PI)

    2009

    $557.8K
  • Funding agency logo
    Dynamics, Chemistry, and Escape of Titan's Atmosphere

    Principal Investigator (PI)

    2009

    $434.3K
News
  • Escape from Mars: How Water Fled the Red Planet

    2020

  • How Mars Lost Its Atmosphere and Became a Frigid Desert

    2017

  • Comet's Close Encounter 'One in a Million'

    2014

  • Cassini Sees Titan Cooking Up Smog

    2013

  • Titan’s Haze May Hold Ingredients for Life

    2010

  • UA's Cassini Scientists Relieved, Elated at Spacecraft Entry Into Orbit

    2004

  • LPL Scientists Take New Pictures of Saturn with Hubble and Cassini

    2004

  • UA's Cassini Scientists at First Close Titan Flyby

    2004

  • Oct. 16 Public Program - 'Saturn: The Real Lord of the Rings II'

    2004

  • Huygens Scientists Hold Final Science Meeting at UA

    2004

  • UA Scientists Prepare for Huygens Descent on Titan

    2004

  • Cassini Captures Jupiter Close Up Portrait

    2003

  • Cassini Imaging Results on Jupiter Fly-by Reported in March 7 Science

    2003

  • Cassini Spacecraft Camera Sights Saturn

    2002

  • Cassini Spacecraft Camera Sights Saturn

    2002

  • Flandrau Hosts Saturn Viewing Event

    2002

  • Geminid Meteor Shower Best After Moonset

    2002

Publications (291)
Recent
  • Monitoring Ozone and Aerosol in the Martian Mesosphere from MAVEN/IUVS Stellar Occultation Observations between MY 32 and 36

    2022

  • Neutral Composition and Horizontal Variations of the Martian Upper Atmosphere From MAVEN NGIMS

    2022

  • Fully-Coupled Photochemical Modeling of the Deuterated Ionosphere and Non-Thermal Escape of D

    2022

  • Thermal Structure of the Martian Upper Mesosphere/Lower Thermosphere From MAVEN/IUVS Stellar Occultations

    2022

  • Isotope Ratios in the Martian Upper Atmosphere Measured by MAVEN NGIMS

    2022

  • Seasonal and longitudinal variations in ozone and aerosol vertical distribution on Mars from MAVEN/IUVS

    2022

  • Energy deposition in Saturn's equatorial upper atmosphere

    2022

  • Compositional Measurements of Saturn's Upper Atmosphere and Rings From Cassini INMS: An Extended Analysis of Measurements From Cassini's Grand Finale Orbits

    2022

  • MAVEN/IUVS observations of C I 156.1 nm and 165.7 nm dayglow: Direct detection of carbon and implications on photochemical escape

    2022

  • Transport and Escape of Water: Toward a More Complete Interpretation with TGO NOMAD and MAVEN NGIMS

    2022

  • Diurnal Variations in the Martian Atmosphere from Enhanced MAVEN/IUVS Stellar Occultation Dataset

    2022

  • Photochemical escape from Mars as constrained by MAVEN in situ measurements and recent modeling

    2021

  • Carbon photochemical escape rates from the modern Mars atmosphere

    2021

  • Titan occultations of Orion's belt observed with Cassini/UVIS

    2021

  • Water and its isotopologues mesospheric distributions at the Venus terminator as measured by SOIR/VEx

    2021

  • Unexpected Enhancement of Ion Temperatures in Mars' Lower Ionosphere

    2021

  • In-Situ Measurements of Electron Temperature and Density in Mars' Dayside Ionosphere

    2021

  • In Situ Measurements of Thermal Ion Temperature in the Martian Ionosphere

    2021

  • Mars in the Ultraviolet: Highlights from nearly) Six Years of Observations by the MAVEN Imaging UltraViolet Spectrograph

    2021

  • Determination of the Venus eddy diffusion profile from CO and CO$2$ profiles using SOIR/Venus Express observations

    2021

  • A Warm Layer in the Nightside Mesosphere of Mars

    2020

  • Photoelectrons as a Tracer of Planetary Atmospheric Composition: Application to CO on Mars

    2020

  • Vertical Propagation of Wave Perturbations in the Middle Atmosphere on Mars by MAVEN/IUVS

    2020

  • Saturn in Lyman ensuremath{alpha} A comparison of Cassini and Voyager observations

    2020

  • Compositional Measurements of Saturn's Upper Atmosphere and Rings from Cassini INMS

    2020

  • Electrodynamics in Saturn's thermosphere at low and middle latitudes

    2020

  • Subsolar Electron Temperatures in the Lower Martian Ionosphere

    2020

  • Carbon photochemistry at Mars: Updates with recent data

    2020

  • Two-dimensional model for the martian exosphere: Applications to hydrogen and deuterium Lyman ensuremath{alpha} observations

    2020

  • Atmospheric Escape from Mars: Lessons for Studies of Exoplanets

    2020

  • Corrigendum to Saturn in Lyman ensuremath{alpha} A comparison of Cassini and Voyager observations' Icarus 339 2020) 113594]

    2020

  • Hydrogen escape from Mars is driven by seasonal and dust storm transport of water

    2020

  • Transport of Water to the Martian Upper Atmosphere amid Regional and Global Dust Storms

    2019

  • Study of the hydrogen escape rate at Mars during Martian years 28 and 29 from comparisons between SPICAM/Mars Express observations and GCM-LMD simulations

    2019

  • Seasonal variations of N2/CO2 at 140 km altitude derived from MAVEN/IUVS

    2019

  • No detection of methane on Mars from early ExoMars Trace Gas Orbiter observations

    2019

  • Solar System Ice Giants: Exoplanets in our Backyard.

    2019

  • The Morphology of the Topside Martian Ionosphere: Implications on Bulk Ion Flow

    2019

  • Martian dust storm impact on atmospheric H$2$O and D/H observed by ExoMars Trace Gas Orbiter

    2019

  • Evaluating Local Ionization Balance in the Nightside Martian Upper Atmosphere during MAVEN DeeDiCampaigns

    2019

  • Investigating the Interactions between Saturn's Upper Atmosphere and Rings from Cassini INMS Measurements

    2019

  • Latitudinal variations in Titan's atmosphere: UVIS observations of three simultaneous stellar occultations

    2019

  • The D/H Ratio in the Martian Upper Atmosphere

    2019

  • Photochemical Escape from Mars as a Climate Driver: How Important?

    2019

  • Thermosphere structure and variability as inferred from the ExoMars Trace Gas Orbiter aerobraking campaign and in-situ MAVEN NGIMS observations

    2019

  • Damping of gravity waves by kinetic processes in Jupiter's thermosphere

    2019

  • Simulating the density of organic species in the atmosphere of Titan with a coupled ion-neutral photochemical model

    2019

  • Seasonal Variability of Deuterium in the Upper Atmosphere of Mars

    2019

  • Atmospheric Waves and Their Possible Effect on the Thermal Structure of Saturn's Thermosphere

    2019

  • The MAVEN Neutral Data Working Group: Combining all MAVEN Neutral Measurements to Provide a Global Picture of Structure and Variability in the Mars Thermosphere

    2019

  • Results from an Improved Model of Electrodynamics in Saturn's Upper Atmosphere

    2019

  • Detection of Mesospheric CO$2$ Ice Clouds on Mars in Southern Summer

    2019

  • Photochemical Escape of Carbon from Mars: Greater Than Previously Thought?

    2019

  • The Impact of Crustal Magnetic Fields on the Thermal Structure of the Martian Upper Atmosphere

    2018

  • Loss of the Martian atmosphere to space: Present-day loss rates determined from MAVEN observations and integrated loss through time

    2018

  • A New Understanding of the Interaction Between Saturn and Its Rings

    2018

  • Material Flux From the Rings of Saturn Into Its Atmosphere

    2018

  • Martian Electron Temperatures in the Subsolar Region: MAVEN Observations Compared to a One-Dimensional Model

    2018

  • The Impact of Comet Siding Spring's Meteors on the Martian Atmosphere and Ionosphere

    2018

  • Effect of the Lateral Exospheric Transport on the Horizontal Hydrogen Distribution Near the Exobase of Mars

    2018

  • Thermal Structure and Composition of Saturn's Upper Atmosphere From Cassini/Ion Neutral Mass Spectrometer Measurements

    2018

  • The Composition and Thermal Structure of Saturn's Upper Atmosphere from Cassini/INMS Measurements

    2018

  • Thermal Structure of the Martian Upper Atmosphere From MAVEN NGIMS

    2018

  • Global Aurora on Mars During the September 2017 Space Weather Event

    2018

  • Hydrogen escape at Mars Comparisons from MGCM-LMD simulations and observations from Mars-Express/SPICAM

    2018

  • Titan's cold case files Outstanding questions after Cassini-Huygens

    2018

  • Chemical interactions between Saturn's atmosphere and its rings

    2018

  • MAVEN/IUVS Stellar Occultation Measurements of Mars Atmospheric Structure and Composition

    2018

  • Modeling Carbon Production and Densities in the Martian Atmosphere Under MAVEN DeeDi2 Conditions

    2018

  • Highlights from Imaging Ultraviolet Spectroscopy of the Mars Atmosphere with MAVEN/IUVS

    2018

  • Modeling the Chemical Complexity in Titan's Atmosphere

    2018

  • Global characteristics of gravity waves in the upper atmosphere of Mars as measured by MAVEN/NGIMS

    2018

  • MAVEN IUVS Remote Sensing Highlights Relevant to Upcoming TGO Observations

    2018

  • The flow of material inward from Saturn's rings

    2018

  • Four years of upper atmospheric exploration at Mars with MAVEN and IUVS

    2018

  • Variability of Martian Turbopause Altitudes

    2018

  • Mars topographic clouds: MAVEN/IUVS observations and LMD MGCM predictions

    2017

  • Temperature Profiles and Wave Structures Observed with IUVS/MAVEN Stellar Occultations

    2017

  • Mars\rsquo atmospheric history derived from upper-atmosphere measurements of 38$Ar/36$Ar

    2017

  • Mars Ozone mapping with MAVEN IUVS

    2017

  • Global UV Imaging by MAVEN/IUVS: Diurnal Cloud Formation, Dust Storms and Atmospheric Scattering

    2017

  • Non-LTE Models for the Thermal Structure of Hot Jupiters

    2017

  • Detection of a persistent meteoric metal layer in the Martian atmosphere

    2017

  • Effect of the lateral exospheric transport on the horizontal hydrogen distribution at the exobase of Mars

    2017

  • Oceanus: A New Frontiers Orbiter to Study Titan's Potential Habitability

    2017

  • Highlights from two years of remote sensing at Mars with MAVEN's Imaging Ultraviolet Spectrograph

    2017

  • Total Atmospheric Loss from Upper-Atmospheric Structure of 36$Ar/38$Ar Observed by MAVEN

    2017

  • Atmospheric Abundances Retrieved from IUVS/MAVEN Stellar Occultations

    2017

  • Would Mars be Habitable If It Orbited an M Dwarf? Lessons from the MAVEN Mission

    2017

  • He bulge revealed: He and CO$2$ diurnal and seasonal variations in the upper atmosphere of Mars as detected by MAVEN NGIMS

    2017

  • Martian Metallic Ions Deposited by Comet Siding Spring Defy Expectations

    2017

  • Resistive Heating and Ion Drag in Saturn's Thermosphere

    2017

  • Signature of Metallic ion in the upper atmosphere of Mars following the passage of comet C/2013 A1 Siding Spring)

    2017

  • Photochemical Escape of Oxygen from Mars: Consequences for Climate History

    2017

  • Thermal Structure of Pluto's Lower Atmospehre

    2017

  • Riddles of the Sphinx: Titan Science Questions at the End of Cassini-Huygens

    2017

  • Characterization of High Altitude Clouds at the Martian Limb and Terminator Using MAVEN IUVS Observations

    2017

  • The Metals Delivered by Comet Siding Spring to Mars

    2017

  • A Persistent Meteoric Metal Layer in Mars' Atmosphere

    2017

  • Titan's Oxygen Chemistry and its Impact on Haze Formation

    2016

  • Structure of the martian ionosphere as revealed by the Neutral Gas and Ion Mass Spectrometer during the first two years of the MAVEN mission

    2016

  • The Effect of Diurnal Variations on Ionospheric Radio Occultations

    2016

  • MAVEN Imaging UV Spectrograph Results on the Mars Atmosphere and Atmospheric Escape

    2016

  • Titan Aeromony and Climate Workshop

    2016

  • New benzene absorption cross sections in the VUV, relevance for Titan's upper atmosphere

    2016

  • Resistive Heating in Saturn's Thermosphere

    2016

  • EUV-driven ionospheres and electron transport on extrasolar giant planets orbiting active stars

    2016

  • Coupled, Nitrogen, Oxygen, Carbon and Ion Chemistry on Titan

    2016

  • Martian Temperature Profiles Measured by MAVEN and MRO from 20 to 160 km

    2016

  • Temperature Variations in the Martian Upper Atmosphere from the MAVEN Neutral Gas and Ion Mass Spectrometer

    2016

  • Modeling of the Martian exosphere and first comparisons to IUVS/MAVEN observations

    2016

  • Twilight Limb Observations of the Martian North Polar Hood by MAVEN IUVS

    2016

  • IUVS/MAVEN Stellar Occultations

    2016

  • Mars Atmospheric History Derived from Upper-Atmospheric Structure of 38}Ar/36}Ar Measured From MAVEN

    2016

  • Twilight Limb Observations of Aerosols in the Martian Atmosphere by MAVEN IUVS

    2016

  • Charge Balance in the Martian Ionosphere

    2016

  • The Mars Atmosphere and Volatile Evolution MAVEN) Mission

    2015

  • Dust observations at orbital altitudes surrounding Mars

    2015

  • Titan's Upper Atmosphere from Cassini/UVIS Solar Occultations

    2015

  • Early Composition, Structure, and Isotope Measurements in the Upper Atmosphere of Mars from MAVEN's Neutral Gas and Ion Mass Spectrometer

    2015

  • On the escape of CH$4} from Pluto's atmosphere

    2015

  • Ultraviolet observations of the hydrogen coma of comet C/2013 A1 Siding Spring) by MAVEN/IUVS

    2015

  • Characterizing Atmospheric Escape from Mars Today and Through Time, with MAVEN

    2015

  • Saturn's variable thermosphere from Cassini/UVIS occultations

    2015

  • A Revised Sensitivity Model for Cassini INMS: Results at Titan

    2015

  • The Imaging Ultraviolet Spectrograph IUVS) for the MAVEN Mission

    2015

  • First measurements of composition and dynamics of the Martian ionosphere by MAVEN's Neutral Gas and Ion Mass Spectrometer

    2015

  • Variability in Saturn's upper atmosphere from Cassini/UVIS occultations

    2015

  • MAVEN Observations of the Effect of Comet Siding Spring on the Mars Atmosphere

    2015

  • MAVEN IUVS in Stellar Occultation Mode: A First Look at Martian Atmospheric Density and Temperature Profiles

    2015

  • Combined analysis of Far UV and Mid UV spectra obtained by the MAVEN IUVS instrument in a Stellar Occultation Mode

    2015

  • Characterising exoplanets and their environment with UV transmission spectroscopy

    2015

  • Radiative equilibrium and escape of Pluto's atmosphere

    2015

  • N$2} state population in Titan's atmosphere

    2015

  • The EChO science case

    2015

  • Studying the Venus terminator thermal structure observed by SOIR/VEx with a 1D radiative transfer model

    2015

  • Martian CO2 and O2 abundances obtained from MAVEN/IUVS stellar occultations

    2015

  • A 1-D radiative conductive model to study the SOIR/VEx thermal profiles

    2015

  • He Bulge Detection by MAVEN Neutral Gas and Ion Mass Spectrometer NGIMS) in the Upper Atmosphere of Mars

    2015

  • Structure and composition of the neutral upper atmosphere of Mars from the MAVEN NGIMS investigation

    2015

  • Structure and variability of the Martian upper atmosphere: Ultraviolet dayglow observations by MAVEN/IUVS

    2015

  • Simulating the density of HC15N in the Titan atmosphere with a coupled ion-neutral photochemical model

    2015

  • Day-to-night transport in the Martian ionosphere: Implications from total electron content measurements

    2015

  • First Results From MAVEN's Imaging UV Spectrograph

    2015

  • Influence of local ionization on ionospheric densities in Titan's upper atmosphere

    2015

  • Metallic ions in the upper atmosphere of Mars from the passage of comet C/2013 A1 Siding Spring)

    2015

  • Day-to-night transport in the Martian ionosphere

    2015

  • Probing the Martian atmosphere with MAVEN/IUVS stellar occultations

    2015

  • Early MAVEN DeeDicampaign reveals thermosphere and ionosphere variability

    2015

  • MAVEN observations of the response of Mars to an interplanetary coronal mass ejection

    2015

  • MAVEN IUVS observations of the aftermath of the Comet Siding Spring meteor shower on Mars

    2015

  • Ionization balance in Titan's nightside ionosphere

    2015

  • Predictions for the escape of CH$4} from Pluto

    2015

  • Nonmigrating tides in the Martian atmosphere as observed by MAVEN IUVS

    2015

  • Altitude profiles of O$2} on Mars from SPICAM stellar occultations

    2015

  • Hot N2 in Titan's upper atmosphere

    2015

  • O2 abundance on Mars observed by Mars Express SPICAM

    2014

  • A Coupled Ion-Neutral Photochemical Model for the Titan Atmosphere

    2014

  • The variability of Saturn's thermosphere from Cassini/UVIS occultations

    2014

  • Perturbation of the Mars atmosphere by Siding Spring

    2014

  • Perturbation of the Mars atmosphere by the near-collision with Comet C/2013 A1 Siding Spring)

    2014

  • Escaping hydrogen from HD209458b

    2014

  • MAVEN In Situ Measurements of Siding Spring and its Effect on Mars

    2014

  • Density waves in Titan's upper atmosphere

    2014

  • The Mars Magnetosphere in the Tail of Comet C/2013 A1(Siding Spring)

    2014

  • The thermal structure of Titan's upper atmosphere, II: Energetics

    2014

  • Na, K, and electrons in exoplanet atmospheres

    2014

  • Electrodynamics on Extrasolar Giant Planets

    2014

  • HST Observations of the Martian Hydrogen and Oxygen Exosphere

    2014

  • Increasing Positive Ion Number Densities below the Peak of Ion-Electron Pair Production in Titan's Ionosphere

    2014

  • Electrodynamics in Giant Planet Atmospheres

    2014

  • Electron Densities and Alkali Atoms in Exoplanet Atmospheres

    2014

  • Thermal escape from extrasolar giant planets

    2014

  • Thermal structure at the Venus terminator: Comparison of SOIR/Vex profiles with a radiative transfer model

    2014

  • The global precipitation of magnetospheric electrons into Titan's upper atmosphere

    2014

  • Perturbation of the Mars Atmosphere by Comet C/2013 A1

    2014

  • Influence of the local ionization sources on ionospheric densities in Titan's upper atmosphere

    2014

  • The escape of heavy atoms from the ionosphere of HD209458b. I. A photochemical-dynamical model of the thermosphere

    2013

  • On the thermal electron balance in Titan's sunlit upper atmosphere

    2013

  • Auroral electron precipitation and flux tube erosion in Titan's upper atmosphere

    2013

  • Solar occultation by titan measured by cassini/UVIS

    2013

  • The escape of heavy atoms from the ionosphere of HD209458b. II. Interpretation of the observations

    2013

  • The thermal structure of titan's upper atmosphere, I: Temperature profiles from Cassini INMS observations

    2013

  • Radiative forcing of the stratosphere of Jupiter, Part I: Atmospheric cooling rates from Voyager to Cassini

    2013

  • Compositional and structural investigation of HCN polymer through high resolution mass spectrometry

    2013

  • The density and temperature structure near the exobase of Saturn from Cassini UVIS solar occultations

    2013

  • Aerosol growth in Titan's ionosphere

    2013

  • EChO: Exoplanet characterisation observatory

    2012

  • The CH sub 4 sub structure in Titan's upper atmosphere revisited

    2012

  • Rapid association reactions at low pressure: Impact on the formation of hydrocarbons on titan

    2012

  • Formation of amino acids and nucleotide bases in a titan atmosphere simulation experiment

    2012

  • The mesosphere and lower thermosphere of Titan revealed by Cassini/UVIS stellar occultations

    2011

  • The implications of the H sub 2 sub variability in Titan's exosphere

    2011

  • Condensation in Titan's atmosphere at the Huygens landing site

    2011

  • Energy deposition and primary chemical products in Titan's upper atmosphere

    2011

  • Composition and structure of the ionosphere and thermosphere

    2010

  • Titan's vertical aerosol structure at the Huygens landing site: Constraints on particle size, density, charge, and refractive index

    2010

  • Characterizing the thermosphere of HD209458b with UV transit observations

    2010

  • Formation of NH sub 3 sub and CH sub 2 sub NH in Titan's upper atmosphere

    2010

  • Ionization sources in Titan's deeionosphere

    2010

  • Ion transport in Titan's upper atmosphere

    2010

  • Structure of Titan's ionosphere: Model comparisons with Cassini data

    2009

  • TandEM: Titan and Enceladus mission

    2009

  • Model-data comparisons for Titan's nightside ionosphere

    2009

  • Diurnal variations of Titan's ionosphere

    2009

  • Analysis of Titan's neutral upper atmosphere from Cassini Ion Neutral Mass Spectrometer measurements

    2009

  • The detached haze layer in Titan's mesosphere

    2009

  • On the amount of heavy molecular ions in Titan's ionosphere

    2009

  • Negative ion chemistry in Titan's upper atmosphere

    2009

  • Laboratory studies of molecular growth in the titan ionosphere

    2009

  • Formation and distribution of benzene on Titan

    2008

  • Horizontal structures and dynamics of Titan's thermosphere

    2008

  • Origin of oxygen species in Titan's atmosphere

    2008

  • Distribution and escape of molecular hydrogen in Titan's thermosphere and exosphere

    2008

  • Aeronomy of extra-solar giant planets

    2008

  • Plasma temperatures in Saturn's ionosphere

    2008

  • Methance escape from Titan's atmosphere

    2008

  • Sensitivity of a Titan ionospheric model to the ion-molecule reaction parameters

    2008

  • Ion chemistry and N-containing molecules in Titan's upper atmosphere

    2007

  • On magnetospheric electron impact ionisation and dynamics in Titan's ram-side and polar ionosphere A Cassini case study

    2007

  • Cassini Ion and Neutral Mass Spectrometer data in Titan's upper atmosphere and exosphere: Observation of a suprathermal corona

    2007

  • Advanced technologies demonstrated by the miniature integrated camera and spectrometer MICAS) aboard deespace 1

    2007

  • Sulfur volcanism on Io

    2007

  • Composition of Titan's ionosphere

    2006

  • Corrigendum to Aeronomy of extra-solar giant planets at small orbital distances Icarus 170 2004) 167-179] DOI:10.1016/j.icarus.2004.02.008)

    2006

  • A global circulation model of Saturn's thermosphere

    2006

  • Electron temperature of Titan's sunlit ionosphere

    2006

  • The nitrogen chemistry of titan's upper atmosphere revealed

    2006

  • Cassini ion and neutral mass spectrometer: Enceladus plume composition and structure

    2006

  • Waves and horizontal structures in Titan's thermosphere

    2006

  • The vertical structure of Titan's upper atmosphere from Cassini Ion Neutral Mass Spectrometer measurements

    2006

  • Titan's ionosphere: Model comparisons with Cassini Ta data

    2005

  • Ion Neutral Mass Spectrometer results from the first flyby of Titan

    2005

  • Oxygen ions observed near Saturn's A ring

    2005

  • Gravity waves in Jupiter's stratosphere, as measured by the Galileo ASI experiment

    2005

  • Observations of Titan's mesosphere

    2005

  • Short-wavelength infrared 1.3-2.6 μm) observations of the nucleus of Comet 19P/Borrelly

    2004

  • The atmospheric signature of Io's Prometheus plume and anti-jovian hemisphere: Evidence for a sublimation atmosphere

    2004

  • 9969 Braille: DeeSpace 1 infrared spectroscopy, geometric albedo, and classification

    2004

  • Formation of jets in Comet 19P/Borrelly by subsurface geysers

    2004

  • The ionospheres-thermospheres of the giant planets

    2004

  • Aeronomy of extra-solar giant planets at small orbital distances

    2004

  • The Cassini Ion and Neutral Mass Spectrometer INMS) investigation

    2004

  • HST observation of the atmospheric composition of Jupiter's equatorial region: Evidence for tropospheric C sub 2 sub H sub 2 sub

    2003

  • HCN fluorescence on Titan

    2003

  • On the global distribution of neutral gases in Titan's upper atmosphere and its effect on the thermal structure

    2003

  • The nucleus of 19/P Borrelly as revealed by deespace 1

    2002

  • A compact high-resolution 3-D imaging spectrometer for discovering Oases on Mars

    2002

  • Observations of comet 19P/Borrelly by the miniature integrated camera and spectrometer aboard deespace 1

    2002

  • The deespace 1 encounter with comet 19P/Borrelly

    2002

  • The effect of dynamics on the composition of Titan's upper atmosphere

    2002

  • Structure of the Jovian Stratosphere at the Galileo Probe Entry Site

    2001

  • Upper limits on gaseous CO at Pluto and Triton from high-resolution near-IR spectroscopy

    2001

  • Dynamics of Titan's thermosphere

    2000

  • Discovery of gaseous S sub 2 sub in Io's Pele plume

    2000

  • The thermosphere of Titan simulated by a global three-dimensional time-dependent model

    2000

  • Equilibrium chemistry in a brown dwarf's atmosphere: Cesium in Gliese 229B

    2000

  • HST Detection of h sub 2 sub Raman Scattering in the Jovian Atmosphere

    1999

  • Disequilibrium chemistry in a brown dwarf's atmosphere: Carbon monoxide in Gliese 229B

    1999

  • Emissivity and the fate of Pluto's atmosphere

    1999

  • The dusty atmosphere of the brown dwarf Gliese 229B

    1998

  • Gravity waves in Jupiter's thermosphere

    1997

  • Hydrocarbon ions in the ionosphere of Titan

    1997

  • Kuiper Express: a sciencecraft

    1996

  • Structure of Jupiter's upper atmosphere: Predictions for Galileo

    1996

  • Sciencecraft process

    1996

  • A model for the overabundance of methane in the atmospheres of Pluto and Triton

    1996

  • Planetary Integrated Camera Spectrometer PICS) a new approach to developing a self-sequencing, integrated, multiwavelength instrument

    1996

  • The emissivity of volatile ices on Triton and Pluto

    1996

  • Ultraviolet spectroscopy of the SL9 impact sites: I. The 175-230 nm region

    1996

  • New Analysis of the Voyager UVS H Lyman-α Emission of Saturn

    1995

  • Methane heating rates in outer planet atmospheres

    1995

  • HST spectroscopic observations of Jupiter after the collision of comet Shoemaker-Levy 9

    1995

  • The Distribution Hydrocarbons in Neptune's Upper Atmosphere

    1993

  • Triton's surface-atmosphere energy balance

    1992

  • The effect of surface roughness on Triton's volatile distribution

    1992

  • Vibrationally excited H sub 2 sub in the outer planets thermosphere: Fluorescence in the Lyman and Werner bands

    1991

  • Energy balance and plume dynamics in Triton's lower atmosphere

    1991

  • Non-LTE models of Titan's upper atmosphere

    1991

  • Vibrationally excited H sub 2 sub in the upper atmosphere of Saturn

    1990

  • Ultraviolet spectrometer observations of Neptune and Triton

    1989

  • The far ultraviolet reflection spectrum of Uranus: Results from the Voyager encounter

    1989

  • Evidence for a molecule heavier than methane in the atmosphere of Pluto

    1989

  • Ultraviolet spectrometer observations of Uranus

    1987

  • ANALYSIS OF RAMAN SCATTERED LY- alpha EMISSIONS FROM THE ATMOSPHERE OF URANUS.

    1987

  • ULTRAVIOLET SPECTROMETER OBSERVATIONS OF URANUS.

    1986

  • URANIAN H LY- alpha EMISSION: THE INTERSTELLAR WIND SOURCE.

    1986

  • High spectral resolution line profiles and images of comet Halley

    1985

  • Impurity levels and power loading in the pdx tokamak with high power neutral beam injection

    1982

  • MULTICHANNEL GRAZING-INCIDENCE SPECTROMETER FOR PLASMA IMPURITY DIAGNOSIS SPRED.

    1982

  • PERTURBATION OF TOKAMAK EDGE PLASMA BY LASER BLOW-OFF IMPURITY INJECTION.

    1982

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