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astro-ph.SR2026
Understanding the Complex Morphology of a Coronal Mass Ejection. III: How to Create a Severe Geomagnetic Storm
Cecilia Mac Cormack, Abril Sahade, Erika Palmerio +4
On April 21, 2023, a complex filament eruption produced an Earth-directed coronal mass ejection (CME) that triggered the first severe geomagnetic storm of solar cycle 25. The prima…
astro-ph.SR2026
Understanding the complex morphology of a CME II: how pre-eruptive conditions shape CME evolution
Abril Sahade, Cecilia Mac Cormack, Angelos Vourlidas +4
The morphology and heliospheric impact of coronal mass ejections (CMEs) are strongly shaped by their preeruptive magnetic configuration and surrounding coronal environment, yet the…