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Sciences and Exploration Directorate

Hyunju K Connor

(Associate Chief)

Hyunju K Connor's Contact Card & Information.
Email: hyunju.k.connor@nasa.gov
Phone: 301.286.7417
Org Code:
Address:
NASA/GSFC
Mail Code 673
Greenbelt, MD 20771
Employer:
NASA

Brief Bio


  • Research Astrophysicist (2022 - present), NASA Goddard Space Flight Center, Greenbelt, MD
  • Associate Professor (2021 - 2022), University of Alaska Fairbanks, Fairbanks, AK
  • Assistant Professor (2017 - 2021), University of Alaska Fairbanks, Fairbanks, AK
  • Postdoctoral researcher (2014 - 2017), NASA Goddard Space Flight Center, Greenbelt, MD
  • Postdoctoral Researcher (2012 - 2014), University of New Mexico, Albuquerque, NM

Education


  • Ph.D. in Physics, 2012, University of New Hampshire, Durham, NH, USA.
  • M.S. in Astronomy and Atmospheric Sciences, 2004, Kyungpook National University, South Korea.
  • B.S. in Physics, 2002, Kyungpook National University, Daegu, South Korea.
  • B.S. in Astronomy and Atmospheric Sciences, 2002, Kyungpook National University, South Korea.


Professional Service



  • GEM ML-GEM Resource Group Primary Chair, Jan 2024 – present
  • Deputy Mission Scientist of the NASA TRACERS mission, May 2022 – present
  • SMILE modeling working group chair, Mar 2018 – present
  • Frontier Development Laboratory (FDL) Management Committee, May 2023 - March 2025
  • GEM Encourage & Elevate Mentoring Program Lead Organizer, Jan 2021 – Aug 2023
  • GEM workshop steering committee member, Jun 2018 – Aug 2023
  • GEM focus group leader, Dec 2016 – Jun 2022
  • Science and Technology Definition Team member for NASA next LWS spacecraft mission “Geospace Dynamics Constellation”, May 2018 – Aug 2019
  • GEM-CEDAR joint workshop organization member, 2018 – 2019
  • Convener of AGU, GEM, CEDAR, and SMILE meetings.
  • Review panel member and external reviewer of NASA & NSF proposals.
  • Reviewer of JGR and GRL papers and AGU books.
  • Referee of AGU fellow nominee and University laboratory staff.
  • External reviewer of University research faculty promotion.
  • Judge for student presentation awards at the AGU, EGU, and GEM meetings.

Awards


  • NASA Robert H. Goddard Honor Award of Science, 2023, NASA Goddard Space Flight Center, Greenbelt, MD, USA
  • T. K. Moore Award for excellence in research and collaboration, 2020, UAF Geophysical Institute, Fairbanks, AK, USA
  • NASA Heliophysics Peer Award, 2016, NASA Goddard Space Flight Center, Greenbelt, MD, USA
  • NSF AGS Postdoctoral Research Fellowship, 2015, National Science Foundation, Arlington, VA.
  • NASA Postdoctoral Program Fellowship, 2014, NASA Goddard Space Flight Center, Greenbelt, MD.
  • Outstanding Student Paper Award, 2011, American Geophysical Union Meeting, San Francisco, CA.
  • Best Poster Award, 2009, International School for Space Simulation 9, France.
  • National Ph.D. Fellowship, 2005, Korean Science and Engineering Foundation, South Korea.
  • KNU President Award (Summa cum laude), 2002, Kyungpook National University, South Korea.

Publications


Refereed

2026. "Electron Dispersion at the Electron Edge of the Earth's Magnetospheric Cusp.", Geophysical Research Letters, 53 (10): e2026GL122699 [10.1029/2026gl122699] [Journal Article/Letter]

2025. "Eigen‐Swarm: Swarm's Thermospheric Mass Density Modeling via Eigen‐Decomposition.", Space Weather, 23 (7): e2025SW004351 [10.1029/2025sw004351] [Journal Article/Letter]

2025. "SMILE Modeling Working Group: Modeling and Analysis of X-ray and Ultraviolet Images of Solar Wind – Earth Interactions.", Space Science Reviews, 221 (4): 46 [10.1007/s11214-025-01172-8] [Journal Article/Letter]

2025. "Exospheric neutral density at the 10 RE subsolar point during solar maximum: estimates from XMM soft X-ray observations.", Frontiers in Astronomy and Space Sciences, 12 [10.3389/fspas.2025.1568929] [Journal Article/Letter]

2025. "The first analysis of the outward H fluxes measured by IBEX-Lo in 20–50 RE geocentric distances.", Frontiers in Astronomy and Space Sciences, 12 [10.3389/fspas.2025.1529064] [Journal Article/Letter]

2024. "Relation between magnetopause position and reconnection rate under quasi-steady solar wind dynamic pressure.", Earth, Planets and Space, 76 (1): 165 [10.1186/s40623-024-02101-9] [Journal Article/Letter]

2024. "The global mapping of electron precipitation and ionospheric conductance from whistler-mode chorus waves.", Frontiers in Astronomy and Space Sciences, 11 [10.3389/fspas.2024.1442009] [Journal Article/Letter]

2024. "Simulation of the charged particle deflection from the sweeping magnet array in the Lunar Environment heliospheric X-ray imager.", Review of Scientific Instruments, 95 (12): [10.1063/5.0230759] [Journal Article/Letter]

2024. "Automatic Detection and Classification of Aurora in THEMIS All‐Sky Images.", Journal of Geophysical Research: Machine Learning and Computation, 1 (4): [10.1029/2024jh000292] [Journal Article/Letter]

2024. "Determining the quantum detection efficiency of a soft x-ray micro-channel plate detector for the lunar mission, LEXI.", Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXVI, 29 [10.1117/12.3027783] [Proceedings]

2024. "Storm-time variability of terrestrial hydrogen exosphere: kinetic simulation results.", Frontiers in Astronomy and Space Sciences, 11 [10.3389/fspas.2024.1421196] [Journal Article/Letter]

2024. "Overlapping cusp ion dispersions formed by flux ropes on the day-side magnetopause.", Frontiers in Astronomy and Space Sciences, 11 [10.3389/fspas.2024.1430966] [Journal Article/Letter]

2024. "Modeling Soft X‐Ray Emissions at the Dayside Magnetopause.", Journal of Geophysical Research: Space Physics, 129 (8): [10.1029/2024ja032687] [Journal Article/Letter]

2024. "Editorial: Ionospheric signatures of magnetic reconnection in Earth’s magnetosphere.", Frontiers in Astronomy and Space Sciences, 11 [10.3389/fspas.2024.1430813] [Journal Article/Letter]

2024. "Target and science visibility of the solar-terrestrial observer for the response of the magnetosphere (STORM) global imaging mission concept.", Frontiers in Astronomy and Space Sciences, 11 [10.3389/fspas.2024.1394655] [Journal Article/Letter]

2024. "The Lunar Environment Heliophysics X-ray Imager (LEXI) Mission.", Space Science Reviews, 220 (4): 37 [10.1007/s11214-024-01063-4] [Journal Article/Letter]

2024. "A feasibility study of 4-D tomography of soft X-ray magnetosheath emissivities using multi-spacecraft measurements.", Frontiers in Astronomy and Space Sciences, 11 [10.3389/fspas.2024.1379321] [Journal Article/Letter]

2024. "Calculating the High‐Latitude Ionospheric Electrodynamics Using a Machine Learning‐Based Field‐Aligned Current Model.", Space Weather, 22 (4): [10.1029/2023sw003683] [Journal Article/Letter]

2024. "Localized Magnetopause Erosion at Geosynchronous Orbit by Reconnection.", Geophysical Research Letters, 51 (5): [10.1029/2023gl107085] [Journal Article/Letter]

2024. "Statistical analysis of overlapping double ion energy dispersion events in the northern cusp.", Frontiers in Astronomy and Space Sciences, 10 [10.3389/fspas.2023.1228475] [Journal Article/Letter]

2024. "Mshpy23: a user-friendly, parameterized model of magnetosheath conditions.", Earth and Planetary Physics, 8 (1): 89-104 [10.26464/epp2023065] [Journal Article/Letter]

2024. "Estimating the subsolar magnetopause position from soft X-ray images using a low-pass image filter.", Earth and Planetary Physics, 8 (1): 173-183 [10.26464/epp2023069] [Journal Article/Letter]

2024. "Preface to the Special Issue on Modeling and Data Analysis Methods for the SMILE mission.", Earth and Planetary Physics, 8 (1): 1-4 [10.26464/epp2023089] [Journal Article/Letter]

2023. "Finding the magnetopause location using soft X-ray observations and a statistical inverse method.", Earth and Planetary Physics, 8 (1): 1-20 [10.26464/epp2023070] [Journal Article/Letter]

2023. "The complexity of the day-side X-line during southward interplanetary magnetic field.", Frontiers in Astronomy and Space Sciences, 10 [10.3389/fspas.2023.1175697] [Journal Article/Letter]

2023. "Hybrid-Vlasov simulation of soft X-ray emissions at the Earth’s dayside magnetospheric boundaries.", Earth and Planetary Physics, 8 (1): 1-19 [10.26464/epp2023052] [Journal Article/Letter]

2023. "Probabilistic Forecasting of Ground Magnetic Perturbation Spikes at Mid‐Latitude Stations.", Space Weather, 21 (6): [10.1029/2023sw003446] [Journal Article/Letter]

2023. "Transpolar Pc1 Wave Ducting: Swarm, DMSP, and Ground Observations.", Journal of Geophysical Research: Space Physics, 128 (4): [10.1029/2022ja031184] [Journal Article/Letter]

2023. "Quantifying the global solar wind-magnetosphere interaction with the Solar-Terrestrial Observer for the Response of the Magnetosphere (STORM) mission concept.", Frontiers in Astronomy and Space Sciences, 10 [10.3389/fspas.2023.1138616] [Journal Article/Letter]

2023. "EXOSpy: A python package to investigate the terrestrial exosphere and its FUV emission.", Frontiers in Astronomy and Space Sciences, 10 [10.3389/fspas.2023.1082150] [Journal Article/Letter]

2022. "Global Driving of Auroral Precipitation: 1. Balance of Sources.", Journal of Geophysical Research: Space Physics, 127 (7): [10.1029/2022ja030323] [Journal Article/Letter]

2022. "Revisiting the Ground Magnetic Field Perturbations Challenge: A Machine Learning Perspective.", Frontiers in Astronomy and Space Sciences, 9 [10.3389/fspas.2022.869740] [Journal Article/Letter]

2022. "Multi-Variate LSTM Prediction of Alaska Magnetometer Chain Utilizing a Coupled Model Approach.", Frontiers in Astronomy and Space Sciences, 9 [10.3389/fspas.2022.846291] [Journal Article/Letter]

2022. "Solar Minimum Exospheric Neutral Density Near the Subsolar Magnetopause Estimated From the XMM Soft X‐Ray Observations on 12 November 2008.", Journal of Geophysical Research: Space Physics, 127 (3): [10.1029/2021ja029676] [Journal Article/Letter]

2022. "A Survey of Uncertainty Quantification in Machine Learning for Space Weather Prediction.", Geosciences, 12 (1): 27 [10.3390/geosciences12010027] [Journal Article/Letter]

2021. "Isolated Proton Aurora Driven by EMIC Pc1 Wave: PWING, Swarm, and NOAA POES Multi‐Instrument Observations.", Geophysical Research Letters, 48 (18): [10.1029/2021gl095090] [Journal Article/Letter]

2021. "Global Survey of Electron Precipitation due to Hiss Waves in the Earth’s Plasmasphere and Plumes.", Journal of Geophysical Research: Space Physics, 126 (8): [10.1029/2021ja029644] [Journal Article/Letter]

2021. "Changes in the Magnetic Field Topology and the Dayside/Nightside Reconnection Rates in Response to a Solar Wind Dynamic Pressure Front: A Case Study.", Journal of Geophysical Research: Space Physics, 126 (7): [10.1029/2020ja028768] [Journal Article/Letter]

2021. "Terrestrial exospheric dayside H-density profile at 3–15 R<sub>e</sub> from UVIS/HDAC and TWINS Lyman-α data combined.", , [10.5194/angeo-2021-36] [Journal Article/Letter]

2021. "The Cusp Plasma Imaging Detector (CuPID) CubeSat Observatory: Mission Overview.", Journal of Geophysical Research: Space Physics, 126 (4): [10.1029/2020ja029015] [Journal Article/Letter]

2021. "Soft X‐ray and ENA Imaging of the Earth's Dayside Magnetosphere.", Journal of Geophysical Research: Space Physics, 126 (3): [10.1029/2020ja028816] [Journal Article/Letter]

2020. "Comparison of Deep Learning Techniques to Model Connections Between Solar Wind and Ground Magnetic Perturbations.", Frontiers in Astronomy and Space Sciences, 7 [10.3389/fspas.2020.550874] [Journal Article/Letter]

2020. "Deriving the Magnetopause Position from the Soft X‐Ray Image by Using the Tangent Fitting Approach.", Journal of Geophysical Research: Space Physics, 125 (9): [10.1029/2020ja028169] [Journal Article/Letter]

2020. "Global Survey of Plasma Sheet Electron Precipitation due to Whistler Mode Chorus Waves in Earth's Magnetosphere.", Geophysical Research Letters, 47 (15): [10.1029/2020gl088798] [Journal Article/Letter]

2020. "All Hands on Deck for Ionospheric Modeling.", Eos, 101 [10.1029/2020eo144365] [Journal Article/Letter]

2019. "Exospheric Neutral Hydrogen Density at the Nominal 10  R E Subsolar Point Deduced From XMM‐Newton X‐Ray Observations.", Journal of Geophysical Research: Space Physics, 124 (3): 1612-1624 [10.1029/2018ja026187] [Journal Article/Letter]

2018. "Magnetopause Surface Reconstruction From Tangent Vector Observations.", Journal of Geophysical Research: Space Physics, 123 (12): [10.1029/2018ja025763] [Journal Article/Letter]

2018. "MMS/FEEPS Observations of Electron Microinjections Due to Kelvin‐Helmholtz Waves and Flux Transfer Events: A Case Study.", Journal of Geophysical Research: Space Physics, 123 (7): 5364-5378 [10.1029/2018ja025244] [Journal Article/Letter]

2018. "Imaging Plasma Density Structures in the Soft X-Rays Generated by Solar Wind Charge Exchange with Neutrals.", Space Science Reviews, 214 (4): 79 [10.1007/s11214-018-0504-7] [Journal Article/Letter]

2017. "High-Latitude Thermosphere Neutral Density Response to Solar Wind Dynamic Pressure Enhancement.", Journal of Geophysical Research: Space Physics, 122 (11): 11,559-11,578 [10.1002/2017ja023889] [Journal Article/Letter]

2016. "Modeling the ionosphere-thermosphere response to a geomagnetic storm using physics-based magnetospheric energy input: OpenGGCM-CTIM results.", J. Space Weather Space Clim., 6 A25 [10.1051/swsc/2016019] [Journal Article/Letter]

2016. "Wide field-of-view soft X-ray imaging for solar wind-magnetosphere interactions.", Journal of Geophysical Research: Space Physics, 121 (4): 3353-3361 [10.1002/2016ja022348] [Journal Article/Letter]

2015. "THE SOLAR WIND CHARGE-EXCHANGE PRODUCTION FACTOR FOR HYDROGEN.", The Astrophysical Journal, 808 (2): 143 [10.1088/0004-637x/808/2/143] [Journal Article/Letter]

2015. "Relation between cusp ion structures and dayside reconnection for four IMF clock angles: OpenGGCM‐LTPT results.", Journal of Geophysical Research: Space Physics, 120 (6): 4890-4906 [10.1002/2015ja021156] [Journal Article/Letter]

2014. "The relation between transpolar potential and reconnection rates during sudden enhancement of solar wind dynamic pressure: OpenGGCM-CTIM results.", JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 119 3411-3429 [10.1002/2013JA019728] [Journal Article/Letter]

2012. "Dynamic modeling of cusp ion structures.", Journal of Geophysical Research: Space Physics, 117 (A4): [10.1029/2011ja017203] [Journal Article/Letter]

Selected Public Outreach


Space Weather UnderGround (SWUG)

September 2020 - December Present

Space Weather UnderGround (SWUG) is an educational outreach program that high school and undergraduate students build an array of magnetometers across the United States for space weather research.