selected publications
-
conference proceeding
- First observations of Deimos from the Emirates eXploration Imager (EXI) 2023
- One year of Observations by the Emirates eXploration Imager (EXI): Operations Summary, Current Status, and Seasonal Trends in the Diurnal Behavior of Water Ice Clouds 2023
- Solar Oscillations as Measured by the GOES-R Series EXIS EUVS-C Sensor 2023
- The First Observations of Deimos from the Emirates Mars Mission (EMM) Flybys 2023
- SDO-EVE Science Product Changes. 2022n7i116p03-2022n7i116p03. 2022
- Emirates Mars Mission (EMM) - Hope Probe - Science And Status. 1105-1105. 2022
- Emirates Mars Mission 2020: Emirates Exploration Imager (EXI) Status Update. 1506-1506. 2022
- Results from the Emirates Mars Mission (EMM) — Hope Probe. 1338-1338. 2022
- A Novel Compact CMOS Detector for Small and Large Heliophysics Missions. 4039-4039. 2022
- Mars Year 34 Dust Storm Effects on Hydrogen Escape in the LMD-MGCM. P11C-06. 2021
- Mars surface science results from the Emirates eXploration Imager (EXI). P15F-2154. 2021
- Results from the Emirates Mars Mission (Hope Probe). P11C-01. 2021
- The Emirates Exploration Imager Onboard the Emirates Mars Mission: Overview of On-Orbit Science Operations, In-Flight Performance, and Initial Results of Water Ice Cloud Retrievals. P11C-05. 2021
- The science of the Emirates Mars Mission (Hope Probe). P31B-01. 2021
- Emirates Mars Mission (EMM) — Hope Probe — Status. 100.01-100.01. 2021
- Emirates Mars Mission 2020: Emirates eXploration Imager (EXI) Overview. P033-0005. 2020
- SunCET: A CubeSat Mission Dedicated to the Middle Corona. SH030-0006. 2020
- The Hyperspectral Observer for Venus Reconnaissance (HOVER). EPSC-DPS2019-340-EPSC-DPS2019-340. 2019
- PMPedia: A Crowd-Sourced Space Radiation Electronics Knowledge Repository 2019
- Scientific Payload of the Emirates Mars Mission: Emirates eXploration Imager (EXI). 6029-6029. 2019
- Deep Learning and Feature Engineering for Solar Flare Prediction. 156-156. 2019
- The University of Colorado Space Weather Technology, Research, and Education Center (SWx TREC) Deep Learning Laboratory: progress in solar eruption and ionospheric scintillation prediction. 12641-12641. 2019
- Using the Miniature X-ray Solar Spectrometer (MinXSS) CubeSats to Probe HOT Plasma in the Atmosphere of a COOL Star. X08.002-X08.002. 2019
- Automating the McIntosh Classification System using Machine Learning. SM31D-3526. 2018
- Emirates Mars Mission Science Closure Strategy. P43L-3917. 2018
- Feature Engineering for Deep Learning to Forecast Solar Events. SM31D-3537. 2018
- Modern Machine Learning for Space Weather Forecasts. IN11A-06. 2018
- Observations of Solar Eruptions On-Disk through the Low Corona out to 4 solar radii: Current Observations from SDO and Proposed Instruments to Fill the Gap. SH34A-06. 2018
- Solar Flare Forecasting: A Novel Deep Learning Approach. SM31D-3539. 2018
- NASA Rocket 36.336 Extreme Ultraviolet Spectrum. 112-112. 2018
- Soft X-ray (0.1 - 2.5 nm) Spectral Emission Lines Associated with AR 12713 Observed with Rocket EVE/SAM Instrument on June 18, 2018. 64-64. 2018
- Solar EUV Irradiance Monitoring beyond SDO-EVE: GOES EXIS Preliminary Measurements and Validation. 115-115. 2018
- The GOES EUVS Model: New Operational Spectral Irradiances from GOES-R. 1-1. 2018
- Scientific payload of the Emirates Mars Mission: Emirates Exploration Imager (EXI). EPSC2018-1032. 2018
- MinXSS CubeSat On Orbit Performance and Capabilities. 417-06. 2018
- Emirates Mars Mission (EMM) 2020 Overview. P34B-08. 2017
- Emirates eXploration Imager (EXI) Overview from the Emirates Mars Mission. P23D-2765. 2017
- Investigating Flares and Solar Global Oscillations in Mg II from GOES-16 EXIS. SH43B-2823. 2017
- Magnesium II Index measurements from SORCE SOLSTICE and GOES-16 EUVS. SH43B-2822. 2017
- High Priority Solar Science and Lessons Learned from the Miniature X-ray Solar Spectrometer (MinXSS) CubeSat Mission 2017
- Emirates eXploration Imager (EXI) Overview from the Emirates Mars Mission. 14683-14683. 2017
- Magnesium II index measurements from SORCE SOLSTICE and GOES-16 EUVS. 5335-5335. 2017
- The Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) on GOES-16: Measurements, Data Products, and First Results. 9954-9954. 2017
- Emirates Mars Mission (EMM) Science Overview. 1992-1992. 2017
- Scientific Payload of the Emirates Mars Mission : Emirates Exploration Imager (EXI). 4412-4412. 2017
- Imaging Grating Spectrometer (I-GRASP) for Solar Soft X-Ray Spectral Measurements in Critically Under-Observed 0.5 - 7 nm Spectral Range. SH13A-2284. 2016
- Improving Solar Soft X-Ray (SXR) Irradiance Results from Broadband Photometers with New SXR Spectral Measurements from a CubeSat. SH13A-2285. 2016
- Miniature Radiometer Utilizing a Zone Plate for the Accurate Measurement of the Atmospheric O II 83.4 nm Radiance. SH11C-2273. 2016
- New Solar Soft X-Ray (SXR) Spectral Irradiance Measurements Bridge the SDO and RHESSI Spectral Gap to Study Flare Energetics. 14-14. 2016
- Overview of Key Results from SDO Extreme ultraviolet Variability Experiment (EVE). 123-123. 2016
- SDO/EVE Data Product Improvements, Additions, and Algorithms Updates. 10-10. 2016
- Wavelength Temperature Models for EVE 2016
- MinXSS CubeSat On-Orbit Performance and the First Flight of the BCT XACT 3-axis ADCS 2016
- Active Region Soft X-Ray Spectra and Temperature Analyses based on Sounding Rocket Measurements from the Solar Aspect Monitor (SAM), - a Modified SDO/EVE Instrument. 3.04-3.04. 2016
- Imaging Grating SpectroPhotometer (I-GRASP) for Solar Soft X-Ray Spectra and Images from a Cube Sat Mission. 8.04-8.04. 2016
- Mission Overview of the Miniature X-ray Solar Spectrometer (MinXSS) CubeSat. 8-16. 2016
- Science Goals and First Light Analysis from the Miniature X-ray Solar Spectrometer (MinXSS) CubeSat. 3-06. 2016
- Active Region Soft X-Ray Spectra as Observed Using Sounding Rocket Measurements from the Solar Aspect Monitor (SAM), - a Modified SDO/EVE Instrument. SH23B-2446. 2015
- Exospheric hydrogen density estimates from absorption dips in GOES solar irradiance measurements. SA43A-2357. 2015
- Free-Standing Zone Plate Optimized for He II 30.4 nm Solar Irradiance Measurements Having High Accuracy and Stability in Space. SH23B-2447. 2015
- Miniature Extreme Ultraviolet Solar Radiometers. SH23B-2449. 2015
- Modeling the EUV/UV irradiance within the FP7 SOLID Project. 14484-14484. 2015
- Miniature x-ray solar spectrometer (MinXSS)-a science-oriented, university 3u CubeSat 2015
- Calibration and Performance Modeling of Free-Standing Zone Plates for Extreme Ultraviolet Solar Radiometry having High Accuracy and Stability in Space. SH13B-4094. 2014
- Compact and Light-Weight Solar Spaceflight Instrument Designs Utilizing Newly Developed Miniature Free-Standing Zone Plates: EUV Radiometer and Limb-Scanning Monochromator. SH13B-4093. 2014
- New Observations of Soft X-ray (0.5-5 keV) Solar Spectra. SH33A-2036. 2013
- Progress Towards Understanding the Degradation and Performance Characteristics of the PROBA2-LYRA Instrument. GC51C-0988. 2013
- Solar Extreme Ultraviolet and X-ray Irradiance Measurements for Thermosphere and Ionosphere Studies (Invited). SA41D-07. 2013
- EVE/SAM: Pinhole Images to Solar Soft X-ray Irradiance. 114-114. 2013
- Insights into Using SDO Data for Active Region Specification and Real-time Event Monitoring. SH13A-2279. 2012
- Space Weather Products from the Extreme Ultraviolet Variability Experiment (EVE). SH41A-2099. 2012
- Can Coronal Dimmings be Used to Forecast CMEs?. SH51B-2012. 2011
- Coronal Dimming from Coronal Mass Ejections as Observed by SDO-EVE. 79-79. 2011
- Solar flare classification using SDO and the impact on the EUV irradiance. 32-32. 2011
- First Year Of Science Results From Solar Dynamics Observatory (SDO) Extreme Ultraviolet Variability Experiment (EVE). 9.02-9.02. 2011
- A Preliminary comparison of the Flares as seen by SDO-EVE-ESP and GOES XRS. SH23A-1833. 2010
- Data Access for the EUV Variability Experiment on the NASA Solar Dynamics Observatory. SH22A-03. 2010
- First Results from the EUV SpectroPhotometer (ESP) on the SDO Extreme Ultraviolet Variability Experiment (EVE). SH11A-1595. 2010
-
Radiation Testing a Very Low-Noise RHBD ASIC Electrometer.
6-6.
2010
- SDO Extreme Ultraviolet Variability Experiment (EVE): Instrument and First Light. 308.02-308.02. 2010
- A Comparison of the First Solar EUV Irradiance Measurements from the SDO/EVE EUV Spectrophotometer (ESP) with the SOHO/CELIAS Solar EUV Monitor (SEM) Absolute Solar EUV Irradiance. 7-7. 2010
- First Light Results from the SDO Extreme Ultraviolet Variability Experiment (EVE). 8-8. 2010
- Initial Comparisons between Solar EUV Spectral Irradiance Observations by SDO-EVE MEGS and TIMED-SEE. 7-7. 2010
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A low-noise ASIC electrometer for precision low-current measurements.
Proceedings of SPIE.
743816-743816.
2009
-
Next generation x-ray sensor (XRS) for the NOAA GOES-R satellite series.
Proceedings of SPIE.
2009
-
The Extreme Ultraviolet Sensor (EUVS) for GOES-R.
Proceedings of SPIE.
2009
- Exteme Ultraviolet Spectrophotometer: Algorithms and Calibrations. 17.12-17.12. 2009
- A Comparison of the SOHO-SEM and TIMED-SEE Solar EUV Irradiance Data. 5936-5936. 2009
-
A filter free dual transmission grating spectrometer for the extreme-ultraviolet.
Proceedings of SPIE.
2007
-
Analyses of GOES-13 EUV 5-channel spectra.
Proceedings of SPIE.
2007
-
SDO EVE ESP radiometric calibration and results.
Proceedings of SPIE.
2007
- New solar irradiances for use in space research. 2627-2627. 2006
- Comparing the Measured N2 Lyman-Birge-Hopfield (LBH) Band Brightness in the Dayglow With Model Calculations: Investigating the Importance of Cascading as a Source of Excitation.. SA43A-1085. 2005
-
An extreme ultraviolet optics-free spectrometer with improved spectral resolution and high signal-to-noise ratio.
Proceedings of SPIE.
58981I-58981I.
2005
- A Search for Relativistic High-Energy Protons From the Extreme Solar Flares of 2000-03. SH33A-05. 2005
- SDO-EVE: Providing Solar EUV Irradiance Measurements for LWS. SA23A-13. 2005
-
An extreme ultraviolet spectrometer.
Proceedings of SPIE.
141-152.
2005
- Evaluation of the Amplitude and Restoring the Temporal Profile of the Bastille Day Solar Flare in the 19.5 nm from the Saturated EIT Images. 43.03-43.03. 2004
-
The EUV variability experiment (EVE) aboard the NASA solar dynamics observatory (SDO).
Proceedings of SPIE.
48-55.
2004
- The Extreme Solar Flares of October 28th and November 4th, 2003 and Resultant Extreme Ionospheric Effects. SH43B-03. 2004
- Rise and decay timescales for medium and small solar flares: SEM (SOHO) results. 3608-3608. 2004
-
APT: An astrometric and photometric telescope.
Proceedings of SPIE.
203-209.
1998
-
The AMANDA neutrino telescope.
Nuclear Physics B - Proceedings Supplements.
474-485.
1998
- Application of the filter diagonal spectral estimator in helioseismology. Esa Sp. 249-252. 1998
-
The AMANDA neutrino telescope and the indirect search for dark matter.
Physics Reports.
243-252.
1998
- Importance of Monitoring Solar Global Properties: Luminosity, Radius and Oscillations. 267-267. 1998
- The Comparison of Simultaneous SOI/MDI and Mt. Wilson 60-foot Tower Power Spectra and p-Mode Parameters. 311-311. 1998
- The Stellar and Planetary Explorer (SPEX) Mission. 401-401. 1998
-
Status of the AMANDA experiment.
Nuclear Physics B - Proceedings Supplements.
448-452.
1997
- Precise Photometry Mission – Measuring Stellar Microvariability from Space. 71.11-71.11. 1995
- Results from the Luminosity Oscillations Imager. 265-265. 1995
- STARS: A Proposal for a Dedicated Space Mission to Study Stellar Structure and Evolution. 416-416. 1995
- VIRGO - the Solar Monitor Experiment on SOHO. 408-408. 1995
- OBSERVATIONS OF DELTA-SCUTI STARS FROM ARHUS. 367-370. 1993
- A Multicolour CCD Photometer. 481-481. 1993
- PRISMA: a new space mission for stellar physics.. 812-819. 1993
- Prisma - the First Space Mission to See Inside the Stars. 411-411. 1993
-
Prisma: Probing Stars from Core to Corona.
Astrophysics and Space Science Library.
505-508.
1993
- PRISMA THE INSTRUMENTS. 672-674. 1992
- PRISMA - A SPACE FACILITY FOR STUDYING THE ROTATION AND INTERIOR OF STARS. Astronomical Society of the Pacific Conference Series. 643-651. 1991
- Prisma - a Space Facility for Studying Rotation and Activity. 397-397. 1991
-
PRISMA PROBING ROTATION AND INTERIOR OF STARS - MICROVARIABILITY AND ACTIVITY.
Advances in Space Research.
141-145.
1990
- A space qualified application-specific integrated circuit (ASIC) containing 8x24 bit counters and shift registers.. 413-413. 1988
- High precision velocity observations of Arcturus using the 7699 A line of potassium.. 569-573. 1988
- Luminosity Oscillations Imager (LOI).. 385-386. 1988
- Solar Luminosity Oscillation Telescope (SLOT).. 175-176. 1988
- Solar luminosity oscillations from two stations and correlation with velocity measurements.. 163-168. 1988
- VIRGO: The solar monitor experiment on SOHO.. 371-374. 1988
-
A spectroscopic search for oscillations in the 769.9 nm potassium line of Procyon.
Symposium- International Astronomical Union.
255-259.
1988
-
journal article
-
GOES-R Series X-Ray Sensor (XRS): 1. Design and Pre-Flight Calibration..
Journal of Geophysical Research: Space Physics.
e2024JA032925.
2024
-
First Results for Solar Soft X-Ray Irradiance Measurements from the Third-generation Miniature X-Ray Solar Spectrometer.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
2023
-
Improving Multi-Dimensional Data Formats, Access, and Assimilation Tools for the Twenty-First Century
2023
-
Magnetic Energy Powers the Corona: How We Can Understand its 3D Storage & Release
2023
-
Solar Dynamics Constellation
2023
-
Solar and Heliospheric Magnetism in 5D
2023
-
Uninterrupted Tracking of Coronal Mass Ejections
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
-
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
- Helio2024 Science White Paper: Solar and Heliospheric Magnetism in 5D. arXiv:2211.06715-arXiv:2211.06715. 2022
-
Diurnal Variations in the Aphelion Cloud Belt as Observed by the Emirates Exploration Imager (EXI).
Geophysical Research Letters.
2022
-
Diurnal Variations in the Aphelion Cloud Belt as Observed by the Emirates Exploration Imager (EXI).
e00477-e00477.
2022
-
The Emirates eXploration Imager (EXI) onboard the Emirates Mars Mission (EMM): Overview of In-flight Performance, and Water Ice Cloud Retrievals
2022
-
The Emirates Mars Mission.
Space Science Reviews.
2022
-
Simultaneous High Dynamic Range Algorithm, Testing, and Instrument Simulation.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
2022
-
Emirates Mars Mission Characterization of Mars Atmosphere Dynamics and Processes.
Space Science Reviews.
2021
-
The Emirates Exploration Imager (EXI) Instrument on the Emirates Mars Mission (EMM) Hope Mission.
Space Science Reviews.
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
- CME Acceleration as a Probe of the Coronal Magnetic Field. arXiv:2009.05625-arXiv:2009.05625. 2020
-
MinXSS-2 CubeSat mission overview: Improvements from the successful MinXSS-1 mission.
Advances in Space Research.
3-9.
2020
-
The GOES-R EUVS model for EUV irradiance variability.
Journal of Space Weather and Space Climate.
2019
-
Solar Ultraviolet Irradiance Observations of the Solar Flares During the intense September 2017 Storm Period.
Space Weather.
1470-1487.
2018
-
Magnesium II Index measurements from SORCE SOLSTICE and GOES-16 EUVS.
Proceedings of the International Astronomical Union.
167-168.
2018
-
The Instruments and Capabilities of the Miniature X-Ray Solar Spectrometer (MinXSS) CubeSats.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
2018
-
Ultraviolet Solar Spectral Irradiance Variation on Solar Cycle Timescales.
Proceedings of the International Astronomical Union.
203-208.
2018
-
New Solar Irradiance Measurements from the Miniature X-Ray Solar Spectrometer Cubesat.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
2017
- MinXSS-1 CubeSat on-orbit pointing and power performance: the first flight of the Blue Canyon technologies XACT 3-axis attitude determination and control system 2017
-
Sounding Rocket Observations of Active Region Soft X-Ray Spectra Between 0.5 and 2.5 nm Using a Modified SDO/EVE Instrument.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
3567-3582.
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
-
Miniature X-Ray Solar Spectrometer: A Science-Oriented, University 3U CubeSat.
Journal of Spacecraft and Rockets.
328-339.
2016
-
Degradation assessment of LYRA after 5 years on orbit - Technology Demonstration.
Experimental Astronomy: an international journal on astronomical instrumentation and data analysis.
29-43.
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
- The Origin of the EUV Late Phase: A Case Study of the C8.8 Flare on 2010 May 5. arXiv:1202.4819-arXiv:1202.4819. 2012
-
EUV SpectroPhotometer (ESP) in Extreme Ultraviolet Variability Experiment (EVE): Algorithms and Calibrations.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
179-205.
2012
-
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
-
NEW SOLAR EXTREME-ULTRAVIOLET IRRADIANCE OBSERVATIONS DURING FLARES.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
2011
-
High-energy protons associated with liftoff of a coronal mass ejection.
The Astrophysical Journal: an international review of astronomy and astronomical physics.
780-787.
2007
-
Correction of SOHOCELIAS/SEM EUV measurements saturated by extreme solar flare events.
Astronomische Nachrichten.
36-40.
2007
-
Measuring proton energies and fluxes using EIT (SOHO) CCD areas outside the solar disk images.
Astronomische Nachrichten.
314-320.
2006
-
The October 28, 2003 extreme EUV solar flare and resultant extreme ionospheric effects: Comparison to other Halloween events and the Bastille Day event.
Geophysical Research Letters.
2005
-
The AMANDA neutrino telescope:: principle of operation and first results.
Astroparticle Physics.
1-20.
2000
- CCD photometry of the δ-Scuti star κ2 Bootis.. 123-123. 1995
- Frequencies and splittings of low-degree solar P modes: results of the Luminosity Oscillations Imager.. L13-L16. 1995
-
RAY-BASED SIMULATION OF AN OPTICAL INTERFEROMETER.
Journal of the Optical Society of America. A, Optics and image science.
124-131.
1995
-
High-precision velocity observations of Procyon A – II. Measurement of the orbital motion of Procyon A during 1986–90.
Monthly Notices of the Royal Astronomical Society.
573-586.
1994
-
Golf: A resonance spectrometer for the observation of solar oscillations.
Experimental Astronomy: an international journal on astronomical instrumentation and data analysis.
237-252.
1994
- Stellar seismology and activity: the need to go to space (PRISMA) (invited paper). 415-415. 1993
- Observations of Delta Scuti stars from Arhus. 15-15. 1992
-
Acoustic oscillations in the K2III star arcturus.
Astrophysics and Space Science: an international journal of astronomy, astrophysics and space science.
77-84.
1990
-
PHASE DIFFERENCES BETWEEN LUMINOSITY AND VELOCITY-MEASUREMENTS OF THE ACOUSTIC MODES.
Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics.
1-19.
1990
- Occultation of 28 Sagittarii by Titan. 1-1. 1989
- VIRGO: The solar monitor experiment on SOHO. 19-23. 1988
-
Continuous magnetic calibration of (velocity) sensitivity of oscillation spectrometers.
Symposium- International Astronomical Union.
467-469.
1988
- DIURNAL PHOTOMETRIC CONDITIONS AT TEIDE OBSERVATORY AND LONG-TERM SOLAR IRRADIANCE VARIATIONS. Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 391-399. 1988
-
GOES-R Series X-Ray Sensor (XRS): 1. Design and Pre-Flight Calibration..
Journal of Geophysical Research: Space Physics.
e2024JA032925.
2024