selected publications
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chapter
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Spectrally Resolved X-Ray and Extreme Ultraviolet Irradiance Variations During Solar Flares.
Geophysical Monograph.
243-254.
2017
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Global-Scale Observations of the Limb and Disk (GOLD): New Observing Capabilities for the Ionosphere-Thermosphere.
Geophysical Monograph.
319-326.
2008
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Solar extreme ultraviolet and x-ray irradiance variations
2004
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Spectrally Resolved X-Ray and Extreme Ultraviolet Irradiance Variations During Solar Flares.
Geophysical Monograph.
243-254.
2017
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conference proceeding
-
Rosetta photoelectron emission and solar ultraviolet flux at comet 67P.
Monthly Notices of the Royal Astronomical Society.
S626-S635.
2016
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Space Weather Storm Responses at Mars: Lessons from A Weakly Magnetized Terrestrial Planet.
Proceedings of the International Astronomical Union.
211-217.
2016
-
Solar extreme ultraviolet (EUV) flare observations and findings from the Solar Dynamics Observatory (SDO) EUV Variability Experiment (EVE).
Proceedings of the International Astronomical Union.
27-40.
2015
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EUV Variability Experiment (EVE) Multiple EUV Grating Spectrographs (MEGS) radiometric calibrations and results.
Proceedings of SPIE.
2007
-
SDO EVE CCD and thin foil filter characterization and selection.
Proceedings of SPIE.
2007
-
SDO EVE ESP radiometric calibration and results.
Proceedings of SPIE.
2007
-
SDO-EVE EUV spectrograph optical design and performance - art. no. 66890M.
Proceedings of SPIE.
M6890-M6890.
2007
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Comparison of TIMED satellite drag with solar EUV experiment (SEE) measurements.
Journal of Spacecraft and Rockets.
1204-1209.
2006
-
In-flight calibration and performance of the solar extreme ultraviolet experiment (SEE) aboard the TIMED satellite.
Proceedings of SPIE.
36-47.
2004
-
The EUV variability experiment (EVE) aboard the NASA solar dynamics observatory (SDO).
Proceedings of SPIE.
48-55.
2004
-
Rocket Extreme Ultraviolet Grating Spectrometer, EGS.: calibrations and results of the solar irradiance on February 8, 2002.
Optical Engineering.
2004
-
Rocket extreme ultraviolet grating spectrometer (EGS): Calibrations and results of the solar irradiance on February 8, 2002.
Proceedings of SPIE.
31-42.
2004
-
SDO-EVE Multiple EUV Grating Spectrograph (MEGS) optical design.
Proceedings of SPIE.
182-194.
2004
-
Observations of the solar soft X-ray irradiance by the student nitric oxide explorer.
Advances in Space Research.
209-218.
2004
-
Solar ultraviolet variability during the TIMED mission.
Advances in Space Research.
219-224.
2004
-
The TIGER (thermospheric-ionospheric geospheric research) program: Introduction.
Advances in Space Research.
194-198.
2004
- Report of the ISCS working group 1, panel 2. Esa Sp. 231-233. 2003
- Solar EUV spectral irradiance: Measurements and variability. Esa Sp. 209-216. 2003
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TIMED solar EUV experiment: pre-flight calibration results for the EUV grating spectrograph.
Proceedings of SPIE.
91-100.
2001
-
TIMED Solar EUV Experiment: pre-flight calibration results for the XUV Photometer System.
Proceedings of SPIE.
255-264.
1999
-
Microchannel plate performance and life-test results for the TIMED solar EUV experiment.
Proceedings of SPIE.
603-614.
1998
-
TIMED solar EUV experiment.
Proceedings of SPIE.
180-191.
1998
... more -
Rosetta photoelectron emission and solar ultraviolet flux at comet 67P.
Monthly Notices of the Royal Astronomical Society.
S626-S635.
2016
-
journal article
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Space Weather Induces Changes in the Composition of Atmospheric Escape at Mars.
Geophysical Research Letters.
2024
-
Application of a Scale Normalization Technique for High Resolution Analysis of the Magnetosheath at Mars.
Journal of Geophysical Research: Space Physics.
2024
-
GOES-R Series X-Ray Sensor (XRS): 1. Design and Pre-Flight Calibration.
Journal of Geophysical Research: Space Physics.
2024
-
Solar Atmospheric Oscillations as Measured by the GOES-R Series EXIS EUVS-C Instrument.
Letters of the Astrophysical Journal.
2024
-
Earth's ambipolar electrostatic field and its role in ion escape to space..
Nature.
1021-1025.
2024
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Variability of Atomic Hydrogen Brightness in the Martian Exosphere: Insights From the Emirates Ultraviolet Spectrometer on Board Emirates Mars Mission.
Journal of Geophysical Research: Space Physics.
2024
-
Solar and Solar Wind Energy Drivers for O+ and O2+ Ion Escape at Mars.
Journal of Geophysical Research: Space Physics.
2024
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Characterizing Precipitation Behaviors of H- in the Martian Atmosphere.
Journal of Geophysical Research: Space Physics.
2024
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The Climatology of Mars Thermospheric Polar Warming at Aphelion.
Geophysical Research Letters.
2024
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EMM EMUS Observations of Hot Oxygen Corona at Mars: Radial Distribution and Temporal Variability.
Journal of Geophysical Research: Space Physics.
2024
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Martian Bow Shock Oscillations Driven by Solar Wind Variations: Simultaneous Observations From Tianwen-1 and MAVEN.
Geophysical Research Letters.
2023
-
Solar Dynamics Constellation
2023
-
Uninterrupted Tracking of Coronal Mass Ejections
2023
-
Solar and solar wind energy drivers for O+ and O2+ ion escape at Mars
2023
-
Oxidation Caused by Water Outgassed from the Thermal Blanket on the SDO Spacecraft.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2023
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Solar wind driven influences on the Martian oxygen corona: Constraints on atmospheric sputtering from a synthesis of MAVEN measurements during solar minimum.
Icarus.
2023
-
Transient Foreshock Structures Upstream of Mars: Implications of the Small Martian Bow Shock.
Geophysical Research Letters.
2023
-
The Mars upper atmosphere at solar minimum.
Icarus.
2023
-
The dependence of Martian ion escape on solar EUV irradiance as observed by MAVEN.
Icarus.
2023
-
The Hazard of UV-Induced Oxidation to Solar-Viewing Spacecraft Optics.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2023
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Energy Input of EUV, Solar Wind, and SEPs at Mars: MAVEN Observations During Solar Minimum.
Journal of Geophysical Research: Space Physics.
2023
-
Morphology of Extreme and Far Ultraviolet Martian Airglow Emissions Observed by the EMUS Instrument on Board the Emirates Mars Mission.
Geophysical Research Letters.
2022
-
Retrieval of CO Relative Column Abundance in the Martian Thermosphere From FUV Disk Observations EMM EMUS.
Geophysical Research Letters.
2022
-
Combined Analysis of Hydrogen and Oxygen 102.6 nm Emission at Mars.
Geophysical Research Letters.
2022
-
First Synoptic Images of FUV Discrete Aurora and Discovery of Sinuous Aurora at Mars by EMM EMUS.
Geophysical Research Letters.
2022
-
Ionization Efficiency in the Dayside Ionosphere of Mars: Structure and Variability.
Journal of Geophysical Research: Planets.
2021
-
Evidence Against Carbonization of the Thin-Film Filters of the Extreme Ultraviolet Variability Experiment Onboard the Solar Dynamics Observatory.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2021
-
SunCET: The Sun Coronal Ejection Tracker Concept.
Journal of Space Weather and Space Climate.
2021
-
Tidal Effects on the Longitudinal Structures of the Martian Thermosphere and Topside Ionosphere Observed by MAVEN.
Journal of Geophysical Research: Space Physics.
2021
-
On the Altitude Patterns of Photo-Chemical-Equilibrium in the Martian Ionosphere: A Special Role for Electron Temperature.
Journal of Geophysical Research: Space Physics.
2021
-
Solar Extreme Ultraviolet Irradiance Uncertainties for Planetary Studies.
Journal of Geophysical Research: Space Physics.
2021
-
The Flare Irradiance Spectral Model-Version 2 (FISM2).
Space Weather.
2020
-
Influence of the Solar Wind Dynamic Pressure on the Ion Precipitation: MAVEN Observations and Simulation Results.
Journal of Geophysical Research: Space Physics.
2020
-
The Flare Irradiance Spectral Model - Version 2 (FISM2)
2020
-
The Flare Irradiance Spectral Model - Version 2 (FISM2)
2020
-
Initial Observations by the GOLD Mission.
Journal of Geophysical Research: Space Physics.
2020
-
Solar EUV Irradiance Uncertainties for Planetary Studies
2020
-
The GOES-R EUVS model for EUV irradiance variability.
Journal of Space Weather and Space Climate.
2019
-
Expansion and Shrinking of the Martian Topside Ionosphere.
Journal of Geophysical Research: Space Physics.
9725-9738.
2019
-
Low Electron Temperatures Observed at Mars by MAVEN on Dayside Crustal Magnetic Field Lines.
Journal of Geophysical Research: Space Physics.
7629-7637.
2019
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Mars Upper Atmospheric Responses to the 10 September 2017 Solar Flare: A Global, Time-Dependent Simulation.
Geophysical Research Letters.
9334-9343.
2019
-
Influence of Extreme Ultraviolet Irradiance Variations on the Precipitating Ion Flux From MAVEN Observations.
Geophysical Research Letters.
7761-7768.
2019
-
Variability of Precipitating Ion Fluxes During the September 2017 Event at Mars.
Journal of Geophysical Research: Space Physics.
420-432.
2019
-
Loss of the Martian atmosphere to space: Present-day loss rates determined from MAVEN observations and integrated loss through time.
Icarus.
146-157.
2018
-
An Artificial Neural Network for Inferring Solar Wind Proxies at Mars.
Geophysical Research Letters.
10855-10865.
2018
-
Solar Ultraviolet Irradiance Observations of the Solar Flares During the intense September 2017 Storm Period.
Space Weather.
1470-1487.
2018
-
Mars Thermospheric Variability Revealed by MAVEN EUVM Solar Occultations: Structure at Aphelion and Perihelion and Response to EUV Forcing.
Journal of Geophysical Research: Planets.
2248-2269.
2018
-
The Mars Topside Ionosphere Response to the X8.2 Solar Flare of 10 September 2017.
Geophysical Research Letters.
8005-8013.
2018
-
Martian Thermospheric Response to an X8.2 Solar Flare on 10 September 2017 as Seen by MAVEN/IUVS.
Geophysical Research Letters.
7312-7319.
2018
-
Observations and Modeling of the Mars Low-Altitude Ionospheric Response to the 10 September 2017 X-Class Solar Flare.
Geophysical Research Letters.
7382-7390.
2018
-
Mars H Escape Rates Derived From MAVEN/IUVS Lyman Alpha Brightness Measurements and Their Dependence on Model Assumptions.
Journal of Geophysical Research: Planets.
2192-2210.
2018
-
Effects of a Solar Flare on the Martian Hot O Corona and Photochemical Escape.
Geophysical Research Letters.
6814-6822.
2018
-
Decoupling Solar Variability and Instrument Trends Using the Multiple Same-Irradiance-Level (MuSIL) Analysis Technique.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2018
-
Ionizing Electrons on the Martian Nightside: Structure and Variability.
Journal of Geophysical Research: Space Physics.
4349-4363.
2018
-
One-Hertz Waves at Mars: MAVEN Observations.
Journal of Geophysical Research: Space Physics.
3460-3476.
2018
-
Seasonal Variability of Neutral Escape from Mars as Derived From MAVEN Pickup Ion Observations.
Journal of Geophysical Research: Planets.
1192-1202.
2018
-
Center-to-Limb Variability of Hot Coronal EUV Emissions During Solar Flares.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2018
-
A time dependent relation between EUV solar flare light-curves from lines with differing formation temperatures.
Journal of Space Weather and Space Climate.
2017
-
On the Origins of Mars' Exospheric Nonthermal Oxygen Component as Observed by MAVEN and Modeled by HELIOSARES.
Journal of Geophysical Research: Planets.
2401-2428.
2017
-
Vertical Thermospheric Density Profiles From EUV Solar Occultations Made by PROBA2 LYRA for Solar Cycle 24.
Space Weather.
1649-1660.
2017
-
The Effect of Solar Wind Variations on the Escape of Oxygen Ions From Mars Through Different Channels: MAVEN Observations.
Journal of Geophysical Research: Space Physics.
11285-11301.
2017
-
The Global-Scale Observations of the Limb and Disk (GOLD) Mission.
Space Science Reviews.
383-408.
2017
-
Sources of Ionospheric Variability at Mars.
Journal of Geophysical Research: Space Physics.
9670-9684.
2017
-
Effects of solar irradiance on the upper ionosphere and oxygen ion escape at Mars: MAVEN observations.
Journal of Geophysical Research: Space Physics.
7142-7152.
2017
-
Seasonal variability of Martian ion escape through the plume and tail from MAVEN observations.
Journal of Geophysical Research: Space Physics.
4009-4022.
2017
-
Statistical analysis of the reflection of incident O+ pickup ions at Mars: MAVEN observations.
Journal of Geophysical Research: Space Physics.
4089-4101.
2017
-
MAVEN measured oxygen and hydrogen pickup ions: Probing the Martian exosphere and neutral escape.
Journal of Geophysical Research: Space Physics.
3689-3706.
2017
-
MAVEN observations of the solar cycle 24 space weather conditions at Mars.
Journal of Geophysical Research: Space Physics.
2768-2794.
2017
-
Photochemical escape of oxygen from Mars: First results from MAVEN in situ data.
Journal of Geophysical Research: Space Physics.
3815-3836.
2017
-
The MAVEN EUVM model of solar spectral irradiance variability at Mars: Algorithms and results.
Journal of Geophysical Research: Space Physics.
2748-2767.
2017
-
MAVEN observations of dayside peak electron densities in the ionosphere of Mars.
Journal of Geophysical Research: Space Physics.
891-906.
2017
-
Structure, dynamics, and seasonal variability of the Mars-solar wind interaction: MAVEN Solar Wind Ion Analyzer in-flight performance and science results.
Journal of Geophysical Research: Space Physics.
547-578.
2017
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The structure and variability of Mars dayside thermosphere from MAVEN NGIMS and IUVS measurements: Seasonal and solar activity trends in scale heights and temperatures.
Journal of Geophysical Research: Space Physics.
1296-1313.
2017
-
Proton cyclotron waves occurrence rate upstream from Mars observed by MAVEN: Associated variability of the Martian upper atmosphere.
Journal of Geophysical Research: Space Physics.
11113-11128.
2016
-
Photoelectrons and solar ionizing radiation at Mars: Predictions versus MAVEN observations.
Journal of Geophysical Research: Space Physics.
8859-8870.
2016
-
Electron energetics in the Martian dayside ionosphere: Model comparisons with MAVEN data.
Journal of Geophysical Research: Space Physics.
7049-7066.
2016
-
Soft X-ray irradiance measured by the Solar Aspect Monitor on the Solar Dynamic Observatory Extreme ultraviolet Variability Experiment.
Journal of Geophysical Research: Space Physics.
3648-3664.
2016
-
The Solar Extreme Ultraviolet Monitor for MAVEN.
Space Science Reviews.
293-301.
2015
-
MAVEN IUVS observation of the hot oxygen corona at Mars.
Geophysical Research Letters.
9009-9014.
2015
-
MAVEN insights into oxygen pickup ions at Mars.
Geophysical Research Letters.
8870-8876.
2015
-
Model insights into energetic photoelectrons measured at Mars by MAVEN.
Geophysical Research Letters.
8894-8900.
2015
-
Neutral density response to solar flares at Mars.
Geophysical Research Letters.
8986-8992.
2015
-
Retrieval of CO2 and N2 in the Martian thermosphere using dayglow observations by IUVS on MAVEN.
Geophysical Research Letters.
9040-9049.
2015
-
Study of the Martian cold oxygen corona from the OI 130.4nm by IUVS/MAVEN.
Geophysical Research Letters.
9031-9039.
2015
-
The spatial distribution of planetary ion fluxes near Mars observed by MAVEN.
Geophysical Research Letters.
9142-9148.
2015
-
The structure and variability of Mars upper atmosphere as seen in MAVEN/IUVS dayglow observations.
Geophysical Research Letters.
9023-9030.
2015
-
Three-dimensional structure in the Mars H corona revealed by IUVS on MAVEN.
Geophysical Research Letters.
9001-9008.
2015
-
Early MAVEN Deep Dip campaign reveals thermosphere and ionosphere variability.
Science.
2015
-
MAVEN observations of the response of Mars to an interplanetary coronal mass ejection.
Science.
2015
-
Where does the Thermospheric Ionospheric GEospheric Research (TIGER) Program go?.
Advances in Space Research.
1547-1577.
2015
-
On-Orbit Degradation of Solar Instruments.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
389-434.
2013
-
Extreme Ultraviolet Variability Experiment (EVE) Multiple EUV Grating Spectrographs (MEGS): Radiometric Calibrations and Results.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
145-178.
2012
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Extreme Ultraviolet Variability Experiment (EVE) on the Solar Dynamics Observatory (SDO): Overview of Science Objectives, Instrument Design, Data Products, and Model Developments.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
115-143.
2012
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NEW SOLAR EXTREME-ULTRAVIOLET IRRADIANCE OBSERVATIONS DURING FLARES.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
2011
-
Solar extreme ultraviolet irradiance: Present, past, and future.
Journal of Geophysical Research: Space Physics.
2011
-
Early Observations by the GOES-13 Solar Extreme Ultraviolet Sensor (EUVS).
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
71-115.
2010
-
Nitric oxide density enhancements due to solar flares.
Advances in Space Research.
28-38.
2010
-
Solar cycle minimum measurements of the solar extreme ultraviolet spectral irradiance on 14 April 2008.
Geophysical Research Letters.
2009
-
Solar Irradiance Reference Spectra (SIRS) for the 2008 Whole Heliosphere Interval (WHI).
Geophysical Research Letters.
2009
-
New flare model using recent measurements of the solar ultraviolet irradiance.
Advances in Space Research.
912-916.
2008
-
Cross-calibration of TIMED SEE and SOHO EIT irradiances.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
207-219.
2008
-
Flare Irradiance Spectral Model (FISM): Flare component algorithms and results.
Space Weather.
2008
-
Flare irradiance spectral model (FISM): Daily component algorithms and results.
Space Weather.
2007
-
Constraining and validating the Oct/Nov 2003 X-class EUV flare enhancements with observations of FUV dayglow and E-region electron densities.
Journal of Geophysical Research: Space Physics.
2007
-
Soft X-ray irradiances during solar flares observed by TIMED-SEE.
Journal of Geophysical Research: Space Physics.
2006
-
Solar EUV Experiment (SEE): Mission overview and first results.
Journal of Geophysical Research: Space Physics.
2005
-
Solar irradiance variability during the October 2003 solar storm period.
Geophysical Research Letters.
2004
-
Solar extreme ultraviolet variability of the X-class flare on 21 April 2002 and the terrestrial photoelectron response.
Space Weather.
2003
-
The extreme-ultraviolet solar irradiance spectrum observed with the coronal diagnostic spectrometer (CDS) on SOHO.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
959-970.
2000
-
EUV97: Improvements to EUV irradiance modeling in the soft X-rays and FUV.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
147-159.
1998
-
ON THE RELATIONSHIP BETWEEN THE SOLAR SOFT-X-RAY FLUX AND THERMOSPHERIC NITRIC-OXIDE - AN UPDATE WITH AN IMPROVED PHOTOELECTRON MODEL.
Journal of Geophysical Research: Space Physics.
19687-19694.
1995
-
THE MIDDLE ULTRAVIOLET DAYGLOW SPECTRUM.
Journal of Geophysical Research: Space Physics.
9729-9739.
1995
-
SOLAR MESOSPHERE EXPLORER SATELLITE MEASUREMENTS OF EL CHICHON STRATOSPHERIC AEROSOLS .1. CLOUD MORPHOLOGY.
Journal of Geophysical Research: Atmospheres.
20525-20532.
1994
-
SOLAR MESOSPHERE EXPLORER SATELLITE MEASUREMENTS OF EL CHICHON STRATOSPHERIC AEROSOLS .2. AEROSOL MASS AND SIZE PARAMETERS.
Journal of Geophysical Research: Atmospheres.
20533-20544.
1994
-
A METHOD OF MEASURING THE TEMPERATURE OF THE LOWER THERMOSPHERE.
Journal of Geophysical Research: Space Physics.
9437-9441.
1993
-
SELF ABSORPTION THEORY APPLIED TO ROCKET MEASUREMENTS OF THE NITRIC-OXIDE (1, 0) GAMMA-BAND IN THE DAYTIME THERMOSPHERE.
Journal of Geophysical Research: Space Physics.
13723-13731.
1992
... more -
Space Weather Induces Changes in the Composition of Atmospheric Escape at Mars.
Geophysical Research Letters.
2024