(RESEARCH SCIENTIST)
| Email: | vratislav.krupar@nasa.gov |
| Phone: | 301.286.9115 |
| Org Code: | 672 |
| Address: |
NASA/GSFC Mail Code 672 Greenbelt, MD 20771 |
| Employer: | UNIVERSITY OF MARYLAND BALTIMORE CO |
Czech Academy of Sciences - Prague, Czech Republic
September 2012 - June 2015
Imperial College London - London, United Kingdom
July 2015 - December 2016
NASA Goddard Space Flight Center/Universities Space Research Association - Greenbelt, MD, USA
May 2017 - April 2020
NASA Goddard Space Flight Center/University of Maryland, Baltimore County - Greenbelt, MD, USA
May 2017 - December 2022
NASA Goddard Space Flight Center/University of Maryland, Baltimore County - Greenbelt, MD, USA
January 2023 - Present
Ph.D. (Astronomy and Astrophysics), Sep. 2012, Paris Observatory, Meudon, France
Ph.D. (Physics of Plasmas and Ionized Media), Sep. 2012, Charles University, Prague, Czech Republic
MSc. (Surface and Plasma Physics), May 2008, Charles University, Prague, Czech Republic
BSc. (Physics), Jun. 2007, Charles University, Prague, Czech Republic
2008 - Present
2025. "Radial Evolution of Interplanetary Shock Properties with Heliospheric Distance: Observations from Parker Solar Probe." The Astrophysical Journal Letters 979 (1): L10 [10.3847/2041-8213/ada558] [Journal Article/Letter]
2024. "A Rapid Sequence of Solar Energetic Particle Events Associated with a Series of Extreme-ultraviolet Jets: Solar Orbiter, STEREO-A, and Near-Earth Spacecraft Observations." The Astrophysical Journal 975 (1): 84 [10.3847/1538-4357/ad6c47] [Journal Article/Letter]
2024. "Temporally Resolved Type III Solar Radio Bursts in the Frequency Range 3–13 MHz." The Astrophysical Journal Letters 974 (1): L18 [10.3847/2041-8213/ad7bbb] [Journal Article/Letter]
2024. "Unveiling the Interplanetary Solar Radio Bursts of the 2024 Mother’s Day Solar Storm." The Astrophysical Journal Letters 970 (1): L13 [10.3847/2041-8213/ad5da6] [Journal Article/Letter]
2024. "Radial Variations in Solar Type III Radio Bursts." The Astrophysical Journal Letters 967 (2): L32 [10.3847/2041-8213/ad4be7] [Journal Article/Letter]
2024. "Multispacecraft Observations of a Widespread Solar Energetic Particle Event on 2022 February 15–16." The Astrophysical Journal 963 (2): 107 [10.3847/1538-4357/ad167f] [Journal Article/Letter]
2024. "Comparative Analysis of Type III Radio Bursts and Solar Flares: Spatial Localization and Correlation with Solar Flare Intensity." The Astrophysical Journal 961 (1): 88 [10.3847/1538-4357/ad12ba] [Journal Article/Letter]
2024. "Enhancing Triangulation of Interplanetary Type III Bursts through Wavevector Correction." The Astrophysical Journal 960 (2): 101 [10.3847/1538-4357/ad150e] [Journal Article/Letter]
2023. "Source positions of an interplanetary type III radio burst and anisotropic radio-wave scattering." Astronomy & Astrophysics 680 A1 [10.1051/0004-6361/202347185] [Journal Article/Letter]
2023. "Quasi-thermal Noise Spectroscopy Analysis of Parker Solar Probe Data: Improved Electron Density Model for Solar Wind." The Astrophysical Journal 957 (1): 13 [10.3847/1538-4357/acf572] [Journal Article/Letter]
2023. "Change of Spectral Properties of Magnetic Field Fluctuations across Different Types of Interplanetary Shocks." The Astrophysical Journal Letters 954 (2): L51 [10.3847/2041-8213/acf4ff] [Journal Article/Letter]
2023. "Multiple injections of energetic electrons associated with the flare and CME event on 9 October 2021." Astronomy & Astrophysics 675 A27 [10.1051/0004-6361/202245716] [Journal Article/Letter]
2023. "The 17 April 2021 widespread solar energetic particle event." Astronomy & Astrophysics 674 A105 [10.1051/0004-6361/202345938] [Journal Article/Letter]
2023. "Recurrent 3He-rich solar energetic particle injections observed by Solar Orbiter at ∼0.5 au." Astronomy & Astrophysics 673 L5 [10.1051/0004-6361/202345875] [Journal Article/Letter]
2023. "Structured type III radio bursts observed in interplanetary space." Astronomy & Astrophysics 670 A20 [10.1051/0004-6361/202243494] [Journal Article/Letter]
2023. "The 18–19 March 2022 series of 3He-rich events observed by Solar Orbiter at 0.36 au compared with EUV, X-ray, and radio observations." Astronomy & Astrophysics 669 L16 [10.1051/0004-6361/202245576] [Journal Article/Letter]
2023. "Deriving Large Coronal Magnetic Loop Parameters Using LOFAR J Burst Observations." Solar Physics 298 (1): 7 [10.1007/s11207-022-02096-0] [Journal Article/Letter]
2022. "The first gradual solar energetic particle event with an enhanced 3He abundance on Solar Orbiter." Astronomy & Astrophysics 669 A13 [10.1051/0004-6361/202245037] [Journal Article/Letter]
2022. "Direct First Parker Solar Probe Observation of the Interaction of Two Successive Interplanetary Coronal Mass Ejections in 2020 November." The Astrophysical Journal 930 (1): 88 [10.3847/1538-4357/ac590b] [Journal Article/Letter]
2022. "Spectral Analysis of Solar Radio Type III Bursts from 20 kHz to 410 MHz." The Astrophysical Journal 924 (2): 58 [10.3847/1538-4357/ac34ed] [Journal Article/Letter]
2021. "Evidence for local particle acceleration in the first recurrent galactic cosmic ray depression observed by Solar Orbiter." Astronomy & Astrophysics 656 L10 [10.1051/0004-6361/202140966] [Journal Article/Letter]
2021. "The long period of3He-rich solar energetic particles measured by Solar Orbiter 2020 November 17–23." Astronomy & Astrophysics 656 L11 [10.1051/0004-6361/202141009] [Journal Article/Letter]
2021. "Solar Orbiter Radio and Plasma Waves - Time Domain Sampler: In-flight performance and first results." Astronomy & Astrophysics [10.1051/0004-6361/202140948] [Journal Article/Letter]
2021. "Using Principal Component Analysis to Characterize the Variability of VLF Wave Intensities Measured by a Low‐Altitude Spacecraft and Caused by Interplanetary Shocks." Journal of Geophysical Research: Space Physics 126 (5): [10.1029/2021ja029158] [Journal Article/Letter]
2021. "First near-relativistic solar electron events observed by EPD onboard Solar Orbiter." Astronomy & Astrophysics [10.1051/0004-6361/202039883] [Journal Article/Letter]
2020. "The Solar Orbiter Radio and Plasma Waves (RPW) instrument." Astronomy & Astrophysics 642 A12 [10.1051/0004-6361/201936214] [Journal Article/Letter]
2020. "An In Situ Interplanetary “U-burst”: Observation and Results." The Astrophysical Journal 897 (2): 170 [10.3847/1538-4357/ab96c3] [Journal Article/Letter]
2020. "Using radio triangulation to understand the origin of two subsequent type II radio bursts." Astronomy & Astrophysics 639 A56 [10.1051/0004-6361/201937273] [Journal Article/Letter]
2020. "Density Fluctuations in the Solar Wind Based on Type III Radio Bursts Observed by Parker Solar Probe." The Astrophysical Journal Supplement Series 246 (2): 57 [10.3847/1538-4365/ab65bd] [Journal Article/Letter]
2020. "Fast and Wide CMEs without Observed >20 MeV Protons." The Astrophysical Journal 889 (2): 92 [10.3847/1538-4357/ab64e1] [Journal Article/Letter]
2019. "Anisotropic Radio-wave Scattering and the Interpretation of Solar Radio Emission Observations." The Astrophysical Journal 884 (2): 122 [10.3847/1538-4357/ab40bb] [Journal Article/Letter]
2019. "Statistical Survey of Coronal Mass Ejections and Interplanetary Type II Bursts." The Astrophysical Journal 882 (2): 92 [10.3847/1538-4357/ab3345] [Journal Article/Letter]
2019. "Statistical Survey of the Terrestrial Bow Shock Observed by the Cluster Spacecraft." Journal of Geophysical Research: Space Physics 124 (3): 1539-1547 [10.1029/2018ja026272] [Journal Article/Letter]
2018. "Interplanetary Type III Bursts and Electron Density Fluctuations in the Solar Wind." The Astrophysical Journal 857 (2): 82 [10.3847/1538-4357/aab60f] [Journal Article/Letter]
2018. "Shock deceleration in interplanetary coronal mass ejections (ICMEs) beyond Mercury’s orbit until one AU." Journal of Space Weather and Space Climate 8 A54 [10.1051/swsc/2018043] [Journal Article/Letter]
2017. "Modeling observations of solar coronal mass ejections with heliospheric imagers verified with the Heliophysics System Observatory." Space Weather 15 (7): 955-970 [10.1002/2017sw001614] [Journal Article/Letter]
2017. "Solar energetic particles and radio burst emission." Journal of Space Weather and Space Climate 7 A37 [10.1051/swsc/2017035] [Journal Article/Letter]
2016. "SOURCE REGIONS OF THE TYPE II RADIO BURST OBSERVED DURING A CME–CME INTERACTION ON 2013 MAY 22." The Astrophysical Journal 827 (2): 141 [10.3847/0004-637x/827/2/141] [Journal Article/Letter]
2016. "AN ANALYSIS OF INTERPLANETARY SOLAR RADIO EMISSIONS ASSOCIATED WITH A CORONAL MASS EJECTION." The Astrophysical Journal 823 (1): L5 [10.3847/2041-8205/823/1/l5] [Journal Article/Letter]
2015. "On the speed and acceleration of electron beams triggering interplanetary type III radio bursts." Astronomy & Astrophysics 580 A137 [10.1051/0004-6361/201425308] [Journal Article/Letter]
2014. "STEREO-Wind Radio Positioning of an Unusually Slow Drifting Event." Solar Physics 290 (3): 891-901 [10.1007/s11207-014-0638-z] [Journal Article/Letter]
2014. "Statistical Survey of Type III Radio Bursts at Long Wavelengths Observed by the Solar TErrestrial RElations Observatory (STEREO)/Waves Instruments: Goniopolarimetric Properties and Radio Source Locations." Solar Physics 289 (12): 4633-4652 [10.1007/s11207-014-0601-z] [Journal Article/Letter]
2014. "TRACKING THE CME-DRIVEN SHOCK WAVE ON 2012 MARCH 5 AND RADIO TRIANGULATION OF ASSOCIATED RADIO EMISSION." The Astrophysical Journal 791 (2): 115 [10.1088/0004-637x/791/2/115] [Journal Article/Letter]
2014. "Statistical Survey of Type III Radio Bursts at Long Wavelengths Observed by the Solar TErrestrial RElations Observatory (STEREO)/Waves Instruments: Radio Flux Density Variations with Frequency." Solar Physics 289 (8): 3121-3135 [10.1007/s11207-014-0522-x] [Journal Article/Letter]
2013. "Automated interplanetary shock detection and its application to Wind observations." Journal of Geophysical Research: Space Physics 118 (8): 4793-4803 [10.1002/jgra.50468] [Journal Article/Letter]
2012. "Goniopolarimetric inversion using SVD: An application to type III radio bursts observed by STEREO." Journal of Geophysical Research: Space Physics 117 (A6): [10.1029/2011ja017333] [Journal Article/Letter]
2012. "THE 2010 AUGUST 1 TYPE II BURST: A CME-CME INTERACTION AND ITS RADIO AND WHITE-LIGHT MANIFESTATIONS." The Astrophysical Journal 748 (1): 66 [10.1088/0004-637x/748/1/66] [Journal Article/Letter]