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Sciences and Exploration Directorate

Abril Sahade

(NASA Postdoctoral Program Fellow)

Abril Sahade's Contact Card & Information.
Email: abril.sahade@nasa.gov
Org Code: 674
Address:
NASA/GSFC
Mail Code 674
Greenbelt, MD 20771
Employer: NPP POST-DOC CONTRACT

Research Interests


CME evolution

Heliophysics: Space Weather

Onset, eruptive vs. confined, interaction with the ambient magnetic field, non-radial propagation, source region to in situ connection


MHD simulations

Heliophysics: Theory & Modeling

  • Scientific goals: evolution of coronal mass ejections, interactions with the magnetic environment, parametric dependences
  • Experience: setting initial conditions, writing boundary conditions, development of analysis tools
  • Codes: CORHEL-CME, FLASH, ARMS


Multiviewpoint tracking

Heliophysics: Remote Sensing

  • Scientific goals: kinematic evolution and 3D coordinates of transient features in the corona
  • Instruments: SDO/AIA, STEREO/EUVI-COR1-COR2, Solar Orbiter/EUI-SoloHI, SOHO/LASCO
  • Developed tools: https://zenodo.org/records/13951841

Teaching Experience


  • Teacher Assistant 03/2021 - 07/2023 National University of Cordoba, Argentina
  • Student Assistant 03/2019 - 07/2019 National University of Cordoba, Argentina
  • Student Assistant 03/2018 - 03/2019 Astronomical Observatory of Cordoba, Argentina

Education


  • Ph.D. in Astronomy, Cordoba, Argentina - 2023
  • M.S. in Astronomy, Cordoba, Argentina - 2019

Professional Societies


American Geophysical Union

2024 - Present


Asociación Argentina de Astronomía

2019 - Present

Awards


  • 2024 Varsavsky award - Best PhD thesis in Astronomy 2022-2023
  • 2024 IAU PhD 'at-large' Prize 2023
  • 2023 NASA postdoctoral program appointment
  • 2019 University award - Honorable Mention Diploma, for best grades in Astronomy degree

Grants


NASA postdoctoral program fellowship - ORAU - Awarded: 2023-10-10


Dates:  - 


Short-term scholar at Johns Hopkins University Applied Physics Laboratory - George Mason University - Awarded: 2022-10-01


Dates:  - 


Internal doctoral scholarship - National Council for Scientific and Technical Research (CONICET) - Awarded: 2019-04-01


Dates:  - 


Internship to encourage scientific research - Argentine Astronomy Association - Awarded: 2019-01-01


Dates:  - 

Selected Publications


Refereed

2025. "Understanding the Complex Morphology of a Coronal Mass Ejection: Multiview Analysis and Numerical Modeling.", The Astrophysical Journal, 988 (2): 180 [10.3847/1538-4357/ade311] [Journal Article/Letter]

2025. "Observations of a New Form of Partial Filament Eruption.", The Astrophysical Journal Letters, 986 (1): L5 [10.3847/2041-8213/add939] [Journal Article/Letter]

2025. "Helmet streamer influence on the evolution of magnetic flux ropes.", Astronomy & Astrophysics, 697 A155 [10.1051/0004-6361/202450239] [Journal Article/Letter]

2024. "Analysis of Solar Eruptions Deflecting in the Low Corona: Influence of the Magnetic Environment.", The Astrophysical Journal, 978 (1): 41 [10.3847/1538-4357/ad96ba] [Journal Article/Letter]

2023. "Understanding the Deflection of the “Cartwheel CME”: Data Analysis and Modeling.", The Astrophysical Journal, 953 (2): 150 [10.3847/1538-4357/ace420] [Journal Article/Letter]

2022. "Pseudostreamer influence on flux rope evolution.", Astronomy & Astrophysics, 662 A113 [10.1051/0004-6361/202243618] [Journal Article/Letter]

2021. "Polarity relevance in flux-rope trajectory deflections triggered by coronal holes.", Astronomy & Astrophysics, 652 A111 [10.1051/0004-6361/202141085] [Journal Article/Letter]

2020. "Analysis of Large Deflections of Prominence–CME Events during the Rising Phase of Solar Cycle 24.", Solar Physics, 295 (9): 126 [10.1007/s11207-020-01694-0] [Journal Article/Letter]

2020. "Influence of Coronal Holes on CME Deflections: Numerical Study.", The Astrophysical Journal, 896 (1): 53 [10.3847/1538-4357/ab8f25] [Journal Article/Letter]

2020. "Large non-radial propagation of a coronal mass ejection on 2011 January 24.", Advances in Space Research, 65 (6): 1654-1662 [10.1016/j.asr.2019.08.043] [Journal Article/Letter]