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Enhancing Scientific Capacity in Africa – A Report on the 2023 International Space Weather Initiative School and the African Geophysical Society Annual Conference
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
13 february 2025
Chigomezyo M. Ngwira, Endawoke Yizengaw, Nat Gopal...
Natural hazards, such as weather in space and the terrestrial environment, have the potential to disrupt critical technologies and infrastructures ...
Determining The SNR Requirements For FETCH, A Novel Faraday Rotation Instrument
DIAGNOSING HELIOSPHERIC AND TERRESTRIAL PLASMA WITH RADIO OBSERVATIONS I POSTER
spa-solar and heliospheric physics | 13 december 2024
Elizabeth A. Jensen, Nat Gopalswamy, Shing F. Fung...
The magnetic field within interplanetary plasma can only be reliably and regularly measured across broad swaths of space with the technique of Faraday...
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CME-associated type-IV radio bursts: The solar paradigm and the unique case of AD Leo.
MASSIVE TO EXTREME FLARES IN THE SUN AND YOUNG SUN-LIKE STARS: LONG-TERM ACTIVITY EVOLUTION AND SPACE WEATHER CONSEQUENCES POSTER
spa-solar and heliospheric physics | 13 december 2024
Atul Mohan, Nat Gopalswamy, Surajit Mondal, Anshu ...
The type-IV bursts, associated with coronal mass ejections (CMEs), occasionally extend to the decameter-hectrometric (DH) range. We present a comprehe...
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Characteristics of SEP-Producing CMEs with and without an Associated SGRE Event
OBSERVATION AND MODELING OF ENERGETIC PARTICLES IN THE HELIOSPHERE IV POSTER
spa-solar and heliospheric physics | 12 december 2024
Pertti A. Makela, Nat Gopalswamy, Sachiko Akiyama,...
Sustained gamma-ray emission (SGRE) events are solar eruptions, where the >100 MeV gamma-ray emission lasts beyond the end of the associated X-ray ...
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Interplanetary Type II Radio Bursts and Energetic Particle Events
OBSERVING SOLAR AND EXTRASOLAR PLANETARY PARTICLE ENVIRONMENTS POSTER
planetary sciences | 12 december 2024
Nat Gopalswamy, Pertti A. Makela, Seiji Yashiro, S...
Energetic particle impact on planetary atmospheres is one of the key phenomena that affect habitability of exoplanets. We know that ~100 MeV particles...
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High Energy Particles Accelerated by CME-driven Shocks Revealed by Fermi Large Area Telescope Observations
OBSERVATION AND MODELING OF ENERGETIC PARTICLES IN THE HELIOSPHERE II ORAL
spa-solar and heliospheric physics | 11 december 2024
Nat Gopalswamy, Makela Pertti, Sachiko Akiyama, Ho...
It is well known that coronal mass ejections (CMEs) with speeds ~2000 km/s are associated with ground level enhancement (GLE) events and sustained gam...
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Estimation of Soft X-Ray Fluxes of Behind-the-Limb Flares Using Recent STEREO EUVI Data
SOLAR AND HELIOSPHERIC PHYSICS: GENERAL CONTRIBUTIONS I POSTER
spa-solar and heliospheric physics | 10 december 2024
Seiji Yashiro, Nat Gopalswamy, Sachiko Akiyama, Ma...
Soft X-ray (SXR) flux at 1-8 Å wavelength observed by GOES satellite is used for the standard scale of solar flares. The EUV observations from th...
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A Comparison between Post Eruption Arcade and Two Ribbon Reconnected Flux of the M1.1 Flare on the January 29, 2022
SOLAR FLARE ENERGY RELEASE, PARTICLE ACCELERATION, AND TRANSPORT II POSTER
spa-solar and heliospheric physics | 09 december 2024
Sachiko Akiyama, Atul Mohan, Hong Xie, Nat Gopalsw...
Using SDO/AIA observations at multiple wavelengths (131, 171, 193, and 211 Å), we measured the total reconnected (RC) flux in the post eruption a...
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